Land your dream remote job

ActiveCampaign is hiring a remote Senior Software Engineer, Ruby on Rails. This is a full-time position that can be done remotely anywhere in the United States.

ActiveCampaign - Grow your business with customer experience automation.

As a Senior Rust Core Engineer at Raiku, you will spearhead our engineering efforts, driving the innovation and implementation of next-generation high-performance distributed systems. You will work with a highly proficient team of core engineers who have all contributed to foundational and novel network components.

We believe in hiring only exceptional iniduals who are highly motivated to work on complex core infrastructure challenges and are motivated by a coherent system design philosophy that will drive our industry forward. Expect frequent group discussions on architecture, new design specs and code reviews. We are all deeply committed to frequently shipping quality code.

About Raiku

Raiku is reimagining Solana’s consensus ecosystem by developing software that directly connects validators with purpose-built execution environments. We’re building institutional-grade infrastructure that delivers unprecedented performance, guaranteed transaction inclusion, and deterministic settlement for the next generation of internet-native applications. We unlock radical bandwidth and latency improvements by shifting Solana’s focus to state verification.

About the Engineering Team

As a team, we are building an entire platform written in Rust, which connects the L1 and L2s and allows us to create deeply complex scenarios and interactions with the running network. While your primary focus for this role is Rust and complex interactions with different components, you will likely also be involved in infrastructure (e.g., k8s), script writing, and supporting projects in other languages (e.g., Go). Working at every level of the stack is necessary to understand the big picture and how everything is wired together.

Responsibilities

• Highly motivated to contribute to our mission and be part of something bigger. Excited to work on projects that are ground-breaking and complex.
• Refactor, improve and lead software design implementation
• Communicate effectively with the team and document your code. It is also expected that founding engineers mentor less experienced engineers.
• Read and understand protocol specifications and be able to break them into issues and turn them into Rust code.
• Maintaining a large codebase with many components and keeping it well-designed, future-proofed, modular and highly performant
• Automate security testing processes and benchmarks, creating innovative tools and frameworks for continuously improving our systems.

What You’ll Bring:

• A bachelor’s or master’s degree in Computer Science, Engineering, or a related technical field, coupled with practical experience in blockchain systems.
• At least 3 years of experience in distributed systems, with a deep technical understanding of L1 and L2 architectures.
• Strong proficiency in Rust, with at least 2-3 years of Rust experience.
• Strongly emphasising writing performant and secure code.
• Demonstrated experience in designing, developing, and deploying scalable distributed systems.
• An analytical mindset with the ability to anticipate and mitigate emerging security threats, leveraging a comprehensive understanding of the blockchain landscape.

Preferred Qualifications

• Active open-source contributions in core protocol engineering (such as Firedancer, Reth, Lighthouse, Geth, …).
• Direct involvement in the Solana ecosystem, with contributions to Solana’s runtime, scheduler, or other core systems.
• Experience writing Solana Program Library (SPL) and Anchor or similar frameworks
• Active engagement with the blockchain security research community, evidenced by contributions to open-source projects, publications, or presentations at notable conferences.

Benefits

• Competitive remuneration packages based on iterative market research, including tokens
• Remote-first and self-initiating with flexible hours
• Work with team players who are genuinely excited about their impact and projects.
• A dynamic and collaborative work environment that fosters innovation and recognises inidual contributions to collective success
• Opportunities for professional growth and advancement within a rapidly growing technological frontier

We’re looking for a skilled No-Code Developer to help us design, build, and launch functional, responsive websites and automation workflows—without writing a single line of code. If you’re experienced with tools like Webflow, Airtable, and Zapier and have a strong eye for clean design and user experience, we’d love to work with you.

🚀 What You’ll Do

• Design and build websites using modern No-Code platforms
• Translate designs and concepts into fully functional sites
• Customize and optimize for responsiveness, performance, and usability
• Set up automations and integrations between apps (Zapier-style workflows)
• Collaborate closely with designers, PMs, and other stakeholders

✅ What We’re Looking For

• Proven experience as a No-Code Developer or similar role
• Strong grasp of UX/UI principles and responsive design
• Proficiency with No-Code platforms (e.g. Webflow, Softr, Framer)
• Ability to build clean, custom layouts with attention to detail
• Clear communication and collaborative mindset

✨ Bonus Skills

• Experience with Zapier, Airtable, Mailchimp, Go High Level, or similar tools
• Familiarity with Google Tag Manager, GA4, and other tracking setups
• Experience with eCommerce platforms like Shopify, WooCommerce, or Webflow eCommerce

• Develop, optimize, and maintain responsive websites and web apps
• Collaborate with designers to bring UI/UX concepts to life
• Write clean, scalable, and efficient code
• Ensure cross-browser and mobile compatibility
• Troubleshoot and debug performance issues
• Stay current with modern web development practices and tools

• Solid experience as a Web Developer with a strong portfolio
• Proficiency in JavaScript, and a modern front-end framework (React, Vue, or Angular)
• Experience with back-end technologies (Node.js, Python, PHP, etc.)
• Familiarity with databases (SQL, Firebase, MongoDB, etc.)
• Strong understanding of SEO and website performance optimization
• Comfortable working independently and delivering on deadlines

• Experience with headless CMSs, Webflow, or WordPress
• Familiarity with API integrations and third-party services
• Experience deploying to platforms like AWS, Vercel, or Netlify

Salary and compensation

Are you a talented Senior Developer looking for a remote job that lets you show your skills and get decent compensation? Look no further than Lemon.io — the marketplace that connects you with hand-picked startups in the US and Europe.

What we offer:

• The rate depends on your seniority level, skills and experience. We’ve already paid out over $11M to our engineers.
• No more hunting for clients or negotiating rates — let us handle the business side of things so you can focus on what you do best.
• We’ll manually find the best project for you according to your skills and preferences.
• Choose a schedule that works best for you. It’s possible to communicate async or minimally overlap within team working hours.
• We respect your seniority so you can expect no micromanagement or screen trackers.
• Communicate directly with the clients. Most of them have technical backgrounds. Sounds good, yeah?
• We will support you from the time you submit the application throughout all cooperation stages.
• Most of our projects involve working in a fast-paced startup environment. We hope you like it as much as we do.
• Through our community, we will connect you with the best developers from more than 50 countries.

We have several Senior React Full-Stack positions available. Here are the general requirements for these roles.

Senior Ruby & React Position:

• 5+ years of software development experience
• 3+ years of commercial experience with React.js and Ruby and Ruby on Rails

Senior React & Node Position:

• 7+ years of software development experience.
• 4+ years of commercial experience with React.js and Node.js.
• 3+ years of experience with AWS and TypeScript are a must.
• Hands-on experience with Next.js is a must.

Senior React & Python Position:

• 4+ years of software development experience.
• 3+ years of commercial experience with React.js and Python.
• 3+ years of experience with AWS and TypeScript is a must.

Other requirements:

• Strong technical skills: as a Senior Developer, you are expected to be able to create projects from scratch and have a deep understanding of application architecture.
• Clear and effective communication in English — advanced ability to discuss business tasks, justify decisions, and communicate issues. Good self-presentation is also essential for upcoming client calls.
• Strong self-organizational skills — ability to work full-time remotely with no supervision.
• Reliability — we want to trust you and expect that you won’t let us and the client down.
• Adaptability and Flexibility — the ability to onboard the project promptly after accepting it and start delivering results quickly.

Sounds good for you? Apply now and join the Lemon.io community!

NOT YOUR TECH STACK?

We have different projects for Senior Developers, so if you have 4+ years of commercial experience in software development and you are fluent with AI Engineering, Swift, we would be happy to communicate and provide you with a project that matches your experience. Just apply, and we will share more details with you.

If your experience matches our requirements, be ready for the next steps:

• VideoAsk — watch a short video about our startup, up to 10 minutes
• Complete your profile on our website
• 30-minute screening call
• Technical interview
• Feedback
• Magic Box (we are looking for the best project for you).

We do not provide visa assistance, and our cooperation model does not include the benefits typically offered with direct hire.

P.S. We work with developers from 50+ countries in different regions: Europe, LATAM, the U.S (if you are an owner of W-9 ben form), Canada, Asia (Philippines, Indonesia), Oceania (Australia, New Zealand, Papua New Guinea), and the the UK. However, we have some exceptions.

At the moment, we don’t have a legal basis to accept applicants from the following countries:

• European: Iceland, Liechtenstein, Kosovo, Belarus, Russia, and Serbia.
• Latin America: Cuba and Nicaragua
• Most Asian countries and Africa.

We expand and shorten the list of exemptions regularly.

We do not provide visa assistance, and our cooperation model does not include the benefits typically offered with direct hire.

Do you represent a company with engineers who match the description and want to collaborate with us through staff augmentation? Then register here.

Quantitative Software Engineer

Who We Are

We are building a cutting-edge delta-neutral trading protocol that captures volatility and yield across BTC, ETH, and liquid altcoins through advanced basis trading, OTC liquidity strategies, and perpetual derivatives.

By combining market-neutral strategies and innovative hedging solutions, we provide unparalleled capital efficiency for institutional and advanced traders. Our team has deep experience from leading crypto protocols, traditional finance firms, and exchanges, backed by top-tier investors and partners. We are creating the next generation of yield-optimised trading infrastructure for the digital asset markets.

What We Are Building

We are pioneering a delta-neutral, volatility-driven trading infrastructure designed to enable scalable exposure to major digital assets while managing directional risk. Our protocol integrates:

• Delta-Neutral Strategies: Leveraging basis trades, funding rate arbitrage, and hedging for consistent, market-neutral yield.
• OTC Integration: Discounted asset acquisition for cost optimisation and arbitrage opportunities.
• Automated Hedging: Combining perpetual futures, options, and liquidity strategies to minimise risk.

This platform is tailored to institutions, treasuries, and sophisticated market participants looking for capital-efficient yield in the crypto space.

Who We Are Looking For

We are seeking a Quantitative Software Engineer who is excited to work at the intersection of financial innovation and frontier technology. You are a problem-solver who thrives in a fast-paced, zero-to-one environment and have a passion for designing sophisticated trading systems.

You will play a pivotal role in building and optimising the internal trading and arbitrage platform, enabling automated delta-neutral strategies that scale across both centralised exchanges and DeFi markets.

Role Summary

The Quantitative Software Engineer will develop and maintain a high-performance internal trading and arbitrage platform. You will design automated delta-neutral derivative strategies, integrate with smart contracts, and collaborate across teams to deliver robust trading solutions for real-world market conditions.

Key Responsibilities

• Develop and maintain an internal trading and arbitrage platform, focusing on real-time low-latency data capture, order execution, and risk monitoring. Design and implement automated delta-neutral derivative strategies across centralised venues and DeFi smart contracts. Establish secure and efficient connectivity with
• custody providers, centralised exchanges, and OTC desks for seamless trading operations. Optimise systems for
• latency, scalability, and high-performance execution.
• Collaborate with smart contract engineers to integrate delta-neutral strategies within DeFi ecosystems.
• Build internal monitoring tools to track risk, funding rates, and arbitrage opportunities
• in real-time. Work cross-functionally with other engineers and quantitative analysts to drive product innovation.

Qualifications

• Minimum 2 years’ professional experience at a reputable crypto trading firm, hedge fund, DeFi protocol, or digital asset exchange, with a proven track record of delivering high-quality trading systems in production environments.
• Expert-level proficiency in Python programming, with demonstrable experience in architecting, developing, and maintaining robust, high-performance trading systems. Experience with advanced Python libraries (e.g., NumPy, pandas, asyncio, websockets) and hands-on exposure to asynchronous, event-driven programming is required.
• Proficiency in Rust/C++/Go is highly desirable, including experience in building performance-critical components, low-latency systems, or integrating low latency modules with Python applications.
• Hands-on experience with market-making engines or quantitative trading platforms, including system design, order management, strategy implementation, and real-time risk management. Familiarity with order book dynamics, liquidity provisioning, and exchange connectivity (REST/WebSocket APIs, FIX protocol, etc.) is essential.
• Deep understanding of networking, CPU and memory models, and low-level programming concepts, including multi-threading, concurrency, and performance profiling. Experience with optimizing system resource usage and troubleshooting latency or throughput bottlenecks is required.
• Familiarity with Solidity and blockchain fundamentals, including smart contract development, security best practices, wallet integration, and decentralised infrastructure (e.g., EVM-compatible chains, Layer 2 scaling solutions, bridges).
• Demonstrated quantitative and analytical skills, including experience designing, backtesting, and optimizing quantitative trading strategies. Strong grasp of statistics, probability, and time-series analysis; proficiency in using simulation frameworks and data analysis tools.
• Strong understanding of financial markets and market microstructure, especially in the context of crypto assets, derivatives, and DeFi protocols.
• Experience working with large-scale data pipelines and real-time data processing, including ETL design, data validation, and integration with cloud-based or distributed systems (e.g., Kafka, Redis, TimescaleDB).
• Comfortable with DevOps practices, including containerization (Docker), CI/CD pipelines, infrastructure-as-code, and monitoring/alerting tools.
• Ability to work collaboratively in a remote-first, fast-paced environment, including excellent communication skills, self-motivation, and the capacity to manage multiple priorities and deliver under tight deadlines.
• Fluent in English, both written and spoken, with the ability to clearly explain complex technical concepts to both technical and non-technical stakeholders.
• Bachelor’s degree or higher in Computer Science, Mathematics, Engineering, Physics, or a related quantitative discipline is strongly preferred.

Our Engineering Stack

• Frontend: React, Next.js, Wagmi, Viem, TailwindCSS.
• Backend: Python, Solidity, SQL, GraphQL, Docker, AWS, Ethereum.

What We Offer

• Competitive Salary: Commensurate with experience.
• Globally remote working opportunities with flexible hours.
• An opportunity to build the next generation of yield-optimised trading infrastructure in crypto.
• Collaboration with a world-class team driving innovation in delta-neutral strategies and OTC trading.
• The chance to work on a protocol that bridges centralised and decentralised markets, delivering solutions for institutional-grade DeFi.

Why Join Us?

If you are passionate about building automated delta-neutral strategies, low-latency systems, and cutting-edge trading solutions, this is your opportunity to make a real impact. Join us as we transform how institutions capture volatility and yield in the crypto markets.

Apply now and help redefine the future of decentralised capital efficiency.

Are you a talented Senior Developer looking for a remote job that lets you show your skills and get decent compensation? Look no further than Lemon.io — the marketplace that connects you with hand-picked startups in the US and Europe.

What we offer:

• The rate depends on your seniority level, skills and experience. We've already paid out over $11M to our engineers.
• No more hunting for clients or negotiating rates — let us handle the business side of things so you can focus on what you do best.
• We'll manually find the best project for you according to your skills and preferences.
• Choose a schedule that works best for you. It’s possible to communicate async or minimally overlap within team working hours.
• We respect your seniority so you can expect no micromanagement or screen trackers.
• Communicate directly with the clients. Most of them have technical backgrounds. Sounds good, yeah?
• We will support you from the time you submit the application throughout all cooperation stages.
• Most of our projects involve working in a fast-paced startup environment. We hope you like it as much as we do.
• Through our community, we will connect you with the best developers from more than 50 countries.

We have several Senior React Full-Stack positions available. Here are the general requirements for these roles.

Senior Ruby & React Position:

• 5+ years of software development experience
• 3+ years of commercial experience with React.js and Ruby and Ruby on Rails

Senior React & Node Position:

• 7+ years of software development experience.
• 4+ years of commercial experience with React.js and Node.js.
• 3+ years of experience with AWS and TypeScript are a must.
• Hands-on experience with Next.js is a must.

Senior React & Python Position:

• 4+ years of software development experience.
• 3+ years of commercial experience with React.js and Python.
• 3+ years of experience with AWS and TypeScript is a must.

Other requirements:

• Strong technical skills: as a Senior Developer, you are expected to be able to create projects from scratch and have a deep understanding of application architecture.
• Clear and effective communication in English — advanced ability to discuss business tasks, justify decisions, and communicate issues. Good self-presentation is also essential for upcoming client calls.
• Strong self-organizational skills — ability to work full-time remotely with no supervision.
• Reliability — we want to trust you and expect that you won’t let us and the client down.
• Adaptability and Flexibility — the ability to onboard the project promptly after accepting it and start delivering results quickly.

Sounds good for you? Apply now and join the Lemon.io community!

NOT YOUR TECH STACK?

We have different projects for Senior Developers, so if you have 4+ years of commercial experience in software development and you are fluent with AI Engineering, Swift, we would be happy to communicate and provide you with a project that matches your experience. Just apply, and we will share more details with you.

If your experience matches our requirements, be ready for the next steps:

• VideoAsk — watch a short video about our startup, up to 10 minutes
• Complete your profile on our website
• 30-minute screening call
• Technical interview
• Feedback
• Magic Box (we are looking for the best project for you).

We do not provide visa assistance, and our cooperation model does not include the benefits typically offered with direct hire.

P.S. We work with developers from 50+ countries in different regions: Europe, LATAM, the U.S (if you are an owner of W-9 ben form), Canada, Asia (Philippines, Indonesia), Oceania (Australia, New Zealand, Papua New Guinea), and the the UK. However, we have some exceptions.

At the moment, we don’t have a legal basis to accept applicants from the following countries:

• European: Iceland, Liechtenstein, Kosovo, Belarus, Russia, and Serbia.
• Latin America: Cuba and Nicaragua
• Most Asian countries and Africa.

We expand and shorten the list of exemptions regularly.

We do not provide visa assistance, and our cooperation model does not include the benefits typically offered with direct hire.

Do you represent a company with engineers who match the description and want to collaborate with us through staff augmentation? Then register here.

Salary and compensation

Benefits

🌎 Distributed team

⏰ Async

🚫 No politics at work

🎅 We hire old (and young)

Modern Treasury is hiring a remote Software Engineer - Payments. This is a full-time position that can be done remotely anywhere in the United States.

Modern Treasury - Payment operations solutions that automate the full cycle of money movement.

About us

Ambush is an AI company developing AI research & products that accelerate onchain adoption. We’re building Web3’s first autonomous AI agents to simplify wealth creation & onchain safety.

We’re a lean & hyper performance-oriented team; we are competitive, we like moving fast, and we run head-first towards seemingly impossible ideas. Our entire team is crypto-native & we have a shared North Star of solving web3’s hardest challenges.

Our team is led by one of crypto’s prominent anons, Psycho.

About the role:

We’re hiring a Lead AI/ML Engineer with deep experience designing and deploying real-world AI systems, with a focus in NLP, GenAI, and evaluation systems.

You’ll work directly with our CTO to architect AI infrastructure that powers intelligent, responsive onchain products. Because we’re building crypto-native interfaces with AI at the core, the ideal candidate is fluent in the modern GenAI stack, has opinions on model evaluation, and isn’t afraid to go deep into both product UX and system performance.

No formal crypto work experience is required, although general interest in crypto is a must.

Requirements:

• 4+ years of production AI/ML experience, with a focus on Python, HF Transformers, other NLP tools, and proper evaluations.
• Strong understanding of modern GenAI ecosystems: frontier models, open models, vector databases, embeddings, RAG, prompt orchestration, etc.
• Hands-on experience building evaluation frameworks and benchmarks for AI systems.
• Track record of deploying and maintaining production systems — ideally including non-cloud (local or edge) inference.
• You’re product-minded and comfortable navigating ambiguity across the AI stack.

Responsibilities

• Architect and implement complex multi-model AI systems — including retrieval-augmented generation (RAG), local model inference, and hybrid pipelines.
• Manage evaluations for open-ended AI tasks (e.g. classification, summarization, question-answering) with clear metrics and iterative feedback loops.
• Contribute to product strategy and help define how AI fits into core user flows.
• Own the full lifecycle: prototyping, productization, monitoring, and iteration.
• Work closely with design and product teams to ship user-facing AI features.
• Stay ahead of the curve on LLM advances, OSS tools, and model performance trends.

Why join Ambush?

• Industry leading pay: strong base salary + uncapped profit share + equity
• Lean & high-impact team; we hate bureaucracy & will not grow past ~10 people
• One of the fastest growing AI companies in crypto
• Proven leadership team with several acquisitions under their belt

Internal full-time hires only, no contractors or agencies

Peerspace is hiring a remote Principal Front End Engineer. This is a full-time position that can be done remotely anywhere in the United States.

Peerspace - Unique venues for meetings, events, photo & film shoots.

DuckDuckGo is hiring a remote Senior Software Engineer, Windows Desktop App. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.

DuckDuckGo - Smarter search without the tracking.

Plaid is hiring a remote Software Engineer - Web. This is a full-time position that can be done remotely anywhere in the United States.

Plaid - Develop the future of financial services.

Remote Executive Assistant / Software-Savvy Generalist

Full-Time | Remote | Work Directly With the Founder

I manage a portfolio of companies and investments across multiple industries, and I’m looking for a smart, highly capable, and tech-oriented Executive Assistant to help me stay organized, move faster, and operate at a high level.

This is not a traditional assistant role. I'm looking for someone who can act as my right hand — comfortable managing operations behind the scenes, running my inbox and calendar, coordinating with team members, and continually optimizing how I work across multiple businesses.

If you have a passion for software, systems, or design — even better. This role is ideal for someone with a blend of executive support skills, tech fluency, and sharp organizational instincts.

I encourage you to apply even if you don’t have every skill listed — what matters most is that you’re a fast learner who can keep up and grow with me.

Bonus Skills (Not Required, But Highly Valued)

If you’ve worked with any of the following, please mention it:

• Spreadsheets: Google Sheets, Excel (formulas, dashboards, reporting)

• Design tools: Canva, Revit, Blender, Figma

• Project/Construction tools: Primavera Cloud, permit tracking, scheduling software, Trello, Asana, Monday.com

• Coding: HTML, CSS, JavaScript, React, Python

• Marketing & Data: Google Ads, BI dashboards, CRM tools, data management

• No-code/automation: Notion, Airtable, Zapier

• AI Tools: ChatGPT, Claude, and others

What You’ll Do

• Manage and prioritize my inbox (drafting, responding, organizing)

• Own calendar management and cross-timezone scheduling

• Track deliverables and follow-ups across multiple businesses

• Handle task management and ensure effective delegation

• Summarize research, meetings, and business updates

• Create reports, slide decks, dashboards, simple no-code websites, and more

• Build or refine systems that improve workflows and visibility

• Coordinate with internal team members discreetly and efficiently

• Occasionally assist with personal admin, travel, or errands

You Are

• Hyper-organized, reliable, and resourceful

• A fast learner and clear communicator (especially in writing)

• Independent and proactive — you don’t wait to be told what to do

• Fluent in English (spoken and written)

• Comfortable with tech and eager to improve workflows

• Experienced working with founders, execs, or fast-moving teams

Logistics

• Remote – open to candidates worldwide (LATAM, Eastern Europe, SE Asia ideal)

• Full-time

• $1,000–$4,000/month depending on experience

• Flexible hours, with some overlap with EST preferred

• Long-term role with room to grow in scope and responsibility

Soft Skills

This role demands more than just execution — I’m looking for a partner who brings energy, intelligence, and collaboration into our work.

• Excellent English communication – able to explain complex ideas clearly in writing and speaking. Bonus if you speak multiple languages.

• Team player – collaborative, open-minded, and easy to work with.

• Proactive and innovative – takes initiative, solves problems creatively, and aims to deliver excellent work.

• Startup mindset – comfortable with shifting priorities, wearing many hats, and making fast decisions.

How to Apply

Please send the following to [email protected]:

• A short note introducing yourself and why this role excites you

• A link to your resume or LinkedIn

• Brief examples of past experience in a similar role

• (Optional but appreciated): A short video (max 2 minutes) introducing yourself

In addition, please answer the following four questions in your email or application:

1. If I gave you zero onboarding but full access, what’s the first thing you’d do in your first 24 hours?

2. What’s one weird or unique skill or obsession you have that you think would be useful in this role?

3. Write a short, professional reply to this message: “Hey, can you hop on a call today?” (You’re slammed and the request is vague.)

4. Send me a list of 3 tools or frameworks you'd use to manage my time, tasks, and communications. Briefly explain how you'd use them.

Salary and compensation

GitLab is hiring a remote Associate Support Engineer (EMEA). This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.

GitLab - A single application for the entire DevOps lifecycle.

As a Senior Rust Core Engineer at Raiku, you will spearhead our engineering efforts, driving the innovation and implementation of next-generation high-performance distributed systems. You will work with a highly proficient team of core engineers who have all contributed to foundational and novel network components.

We believe in hiring only exceptional iniduals who are highly motivated to work on complex core infrastructure challenges and are motivated by a coherent system design philosophy that will drive our industry forward. Expect frequent group discussions on architecture, new design specs and code reviews. We are all deeply committed to frequently shipping quality code.

About Raiku

Raiku is reimagining Solana’s consensus ecosystem by developing software that directly connects validators with purpose-built execution environments. We’re building institutional-grade infrastructure that delivers unprecedented performance, guaranteed transaction inclusion, and deterministic settlement for the next generation of internet-native applications. We unlock radical bandwidth and latency improvements by shifting Solana’s focus to state verification.

About the Engineering Team

As a team, we are building an entire platform written in Rust, which connects the L1 and L2s and allows us to create deeply complex scenarios and interactions with the running network. While your primary focus for this role is Rust and complex interactions with different components, you will likely also be involved in infrastructure (e.g., k8s), script writing, and supporting projects in other languages (e.g., Go). Working at every level of the stack is necessary to understand the big picture and how everything is wired together.

Responsibilities

• Highly motivated to contribute to our mission and be part of something bigger. Excited to work on projects that are ground-breaking and complex
• Refactor, improve and lead software design implementation
• Communicate effectively with the team and document your code. It is also expected that founding engineers mentor less experienced engineers.
• Read and understand protocol specifications and be able to break them into issues and turn them into Rust code.
• Maintaining a large codebase with many components and keeping it well-designed, future-proofed, modular and highly performant
• Automate security testing processes and benchmarks, creating innovative tools and frameworks for continuously improving our systems.

What You’ll Bring:

• A bachelor’s or master’s degree in Computer Science, Engineering, or a related technical field, coupled with practical experience in blockchain systems.
• At least 3 years of experience in distributed systems, with a deep technical understanding of L1 and L2 architectures.
• Strong proficiency in Rust, with at least 2-3 years of Rust experience.
• Strongly emphasising writing performant and secure code.
• Demonstrated experience in designing, developing, and deploying scalable distributed systems.
• An analytical mindset with the ability to anticipate and mitigate emerging security threats, leveraging a comprehensive understanding of the blockchain landscape.

Preferred Qualifications

• Active open-source contributions in core protocol engineering (such as Firedancer, Reth, Lighthouse, Geth, …).
• Direct involvement in the Solana ecosystem, with contributions to Solana’s runtime, scheduler, or other core systems.
• Experience writing Solana Program Library (SPL) and Anchor or similar frameworks
• Active engagement with the blockchain security research community, evidenced by contributions to open-source projects, publications, or presentations at notable conferences.

Benefits

• Competitive remuneration packages based on iterative market research, including tokens
• Remote-first and self-initiating with flexible hours
• Work with team players who are genuinely excited about their impact and projects.
• A dynamic and collaborative work environment that fosters innovation and recognises inidual contributions to collective success
• Opportunities for professional growth and advancement within a rapidly growing technological frontier

About APF Company Limited

APF Company Limited is a Hong Kong headquartered blockchain ecosystem fund focused on strategic investments and active trading strategies in liquid cryptocurrency markets.

Overview

We’re seeking a talented Founding Quantitative Developer to join our Hong Kong team, where you’ll play a pivotal role in building and refining tools for cryptocurrency trading and blockchain integration. You’ll develop algorithms, integrate with decentralized finance (DeFi) platforms, and optimize systems for performance. This is an exciting opportunity to apply your technical expertise in a high-impact role, with rewards tied to the team’s success in a dynamic market.

Key Responsibilities

• Build and deploy trading algorithms to seize opportunities in cryptocurrency markets, ensuring scalability and efficiency.
• Integrate trading systems with DeFi protocols, developing secure smart contracts to enable automated strategies.
• Optimize low-latency infrastructure to support high-frequency trading in volatile market conditions. Monitor and enhance existing tools, proactively identifying areas for improvement to maintain a competitive edge.
• Collaborate with team members to design robust solutions, sharing insights to drive innovation. Keep pace with blockchain advancements, ensuring our systems align with evolving DeFi standards and protocols.

Qualifications

Education:

• Bachelor’s, Master’s, or Ph.D. in a quantitative field such as Computer Science, Mathematics, Physics, Engineering, or Economics from a reputable institution.

Work Experience:

• 2-5 years in a related field.

Technical Skills:

• Strong programming skills in Python (required) and C++ or similar languages (preferred) in Linux-based environments.
• Experience with data structures, algorithms, and writing efficient, well-documented code. Knowledge of Solidity for smart contract development and familiarity with blockchain concepts (e.g., web3, decentralized networks).
• Comfort with APIs (e.g., REST, WebSocket) and cryptographic techniques for secure integrations. Blockchain & DeFi:
• Understanding of DeFi ecosystems, including protocols like Uniswap, Aave, or similar platforms. Ability to develop and audit smart contracts for reliability and security.

Mindset & Attributes:

• Curiosity and enthusiasm for cryptocurrencies, trading, and blockchain technology.
• Sharp analytical skills with a knack for solving complex technical challenges.
• Ability to thrive under pressure, adapting quickly to shifting priorities.
• Collaborative spirit, eager to contribute ideas and learn from others.
• Strong sense of ownership, delivering high-quality work with precision.

Nice-to-Haves

• Experience trading cryptocurrencies or working with financial markets.
• Familiarity with high-frequency trading systems or market data analysis.
• Exposure to tools like SQL, bash, or cloud-based DevOps workflows.
• Contributions to open-source blockchain projects or a portfolio of DeFi-related work.

QuickNode is looking to hire a Senior Developer Advocate - Solana Ecosystem (EU) to join their team. This is a full-time position that can be done remotely anywhere in Portugal.

Noble is looking to hire a Front-End Developer to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.

Peerspace is hiring a remote Front End Engineer. This is a full-time position that can be done remotely anywhere in the United States.

Peerspace - Unique venues for meetings, events, photo & film shoots.

Superside is hiring a remote Lead Frontend Engineer. This is a contract position that is 100% remote with no geographical restrictions. Work remotely from anywhere.

Superside - Hassle-free design for enterprise teams.

"

The Role

Hive is looking for a Head of Engineering to lead the engineering side of our Research and Development (RND) team through its next chapter of scale. Reporting into the CTO and working hand in hand with our VP Product, you’ll play a key role in evolving our team structure, strengthening our technical foundation, and driving delivery across multiple pods. We’re looking for a people-first leader with a proven track record of delivering real value to customers through great products. 

Our RND Team

RND at Hive consists of four pods – Product, Reliability/Platform, Integrations/Data, and Ads. Product, design, engineering and management resources are embedded across all of our pods. Our development philosophy is to build minimum viable products and deliver them as quickly as possible to market, then iterate based on real user feedback. Using this approach we’ve built a growing, profitable business - and the scale and complexity of the technical problems we’re solving is large and growing, too. 

What You’ll Do:

Grow and develop a high performing team

* Lead and support the Engineering Managers and inidual contributors across multiple pods.

Drive Engineering strategy and execution

* Partner with the CTO and VP Product to shape and execute on a long-term technology roadmap aligned with our business objectives.

Raise the bar on performance and reliability

* Own key KPIs across reliability, latency, scalability, and engineering velocity — and drive initiatives to improve them.

Be a key player in driving Hive's success:

* Collaborate deeply with product-facing teams (the rest of RND) and customer-facing teams (sales, customer success) to ensure engineering is aligned with customer needs and company goals.

Who you are

* You’ve led engineering teams for 5+ years and have spent at least a year in a Director (or equivalent) role. You’ve built, scaled, and evolved engineering orgs before — and carry those lessons with you.

How you show up

* You deliver and build credibility by doing. Your execution is reliable, your judgment is sound, and your standards are high. 

Technologies we use & teach

* Frontend: React, Typescript

Comp/Benefits Package:

* Meaningful salary and equity. You're rewarded based on impact.

About Hive

Hive is the industry-best marketing platform for event marketers. Our platform powers marketing for 1500+ of the most iconic event, festivals,  venues, promoters, and event-centric brands across North America.

We help our clients sell out their shows and make their events unforgettable - by helping them grow their customer base and personalizing and automating their email, SMS, and ad campaigns.

Hive integrates with 25+ partners like Ticketmaster and Shopify, ingesting rich customer data in real-time. With this data, event marketers can segment their audiences in powerful ways and send timely, customized messages to their customers. 

Hive was founded in a University of Waterloo computer lab and graduated from Y Combinator in 2014. Today, we’re a remote-first team spread across Canada and the US, building a product and a culture that values clarity, ownership, and real customer impact.

To learn more about our team, check out the About Us and Careers pages on our website.

",

"

We’re hiring a Senior Backend Engineer to join our team remotely in Canada. This role is open only to candidates currently residing in Canada with valid Canadian work authorization.

Hive is a fast-growing SaaS company offering marketing solutions to live event promoters across North America. Our Engineering Team builds and maintains the systems that empower our customers to do powerful things simply and intuitively. We operate with agility—shipping minimum viable products, deploying multiple times daily, and rapidly iterating based on customer feedback.

At Hive, we handle impressive technical scale: ingesting high-volume data in real-time from 20+ integrations (including Ticketmaster and Eventbrite), storing and querying billions of customer data points, and delivering over 200 million emails and SMS messages monthly to our clients' customers. Our technology stack includes Python, React, Redis, MongoDB, SQL, Elasticsearch, Clickhouse, and various AWS services.

As we continue to scale, we're seeking a Senior Backend Engineer to join our Reliability Team—the foundation that enables our product and engineering teams to deliver exceptional experiences while maintaining system performance, security, and cost efficiency.

The Role

As a Senior Backend Engineer for the Reliability Team at Hive, you'll be part of a team responsible for the performance, reliability, and maintainability of our systems. This role bridges infrastructure, operations, and application engineering to ensure our services are scalable, performant, secure, and cost-effective as we tackle increasingly complex technical challenges.

Tech Stack

AWS, Docker, Kubernetes, Karpenter, Terraform, Python, Django, Redis, MySQL, Clickhouse, MongoDB, Elasticsearch, DataDog, Sentry

What You'll Do

* Champion system observability improvements through implementation, maintenance, process refinement, and automation for business-critical services

What We're Looking For

* 7+ years of software engineering experience, with at least 5 years focused on reliability, infrastructure, or platform engineering

Bonus points if you have...

* Proven experience scaling complex AWS environments and optimizing performance across the full technology stack during periods of significant growth

What We Offer

* Meaningful salary and equity. You're rewarded based on impact

About Hive

Hive.co is a marketing platform for event marketers. We help brands personalize and automate their campaigns, using email and SMS, to empower them to sell out so they can focus on making their events unforgettable.

By integrating with ticketing partners like Ticketmaster and e-commerce partners like Shopify, we enable brands to access and act on all their customer data, so they can easily segment their list in thousands of ways, and send more customized, timely email campaigns that land in inboxes.

We started our company inside a University of Waterloo computer lab in early 2014, graduated from Y Combinator that summer (S14 batch) and have been growing ever since. Originally based in Kitchener, our team is now 100% remote and located all across Canada! We strive to provide an online work environment that allows team members to have a strong work life balance while still feeling connected to their team and Hive’s mission.

To learn more about our team check out our About Us page on our website:https://www.hive.co/company

",

"

We’re hiring a Senior Product Software Engineer to join our team remotely in Canada. This role is open only to candidates currently residing in Canada with valid Canadian work authorization.

Hive is launching a brand new Ads team, and we’re looking for a second engineer to help build it from the ground up! As one of the founding members, you’ll have an opportunity to shape not only the product, but the team.

Our Developer Department consists of three teams – Product, Reliability, and Integrations. As a member of the new Ads team, you will have the opportunity to influence how the broader engineering team operates, shaping collaboration, best practices, and standards while working closely with members of other teams. The Ads team will be instrumental in driving a new revenue stream and leading cross-functional efforts to bring this product line to life.

Our clients invest a significant chunk of their advertising budgets on platforms beyond Email and SMS, and we’re eager to help them streamline their efforts and make smarter, more effective decisions. If you're someone who gets fired up about building products from scratch and tackling challenging problems, we’d love to hear from you!

Our development philosophy is to build minimum viable products and deliver them as quickly as possible to market, then iterate based on real user feedback. Using this approach we’ve built a growing, profitable business and the scale of technical problems we’re solving is quickly growing too. 

What you’ll get up to:

* You rapidly build new features that users will love, continuously refining them based on feedback.

Past Projects:

Here is a look into just some of the projects we've worked on.

* We created an integration with Meta ads manager to allow clients to use our platform’s segmentation to create custom audiences on Meta.

Who you are:

* 5+ years of building highly performant software systems

Technologies we use & teach

* Frontend: React, Typescript

Compensation/Benefits Package

* Meaningful salary and equity. You're rewarded based on impact.

About Hive.co

Hive.co is a marketing platform for event marketers. We help brands personalize and automate their campaigns, using email and SMS, to empower them to sell out so they can focus on making their events unforgettable.

By integrating with ticketing partners like Ticketmaster and e-commerce partners like Shopify, we enable brands to access and act on all their customer data, so they can easily segment their list in thousands of ways, and send more customized, timely email campaigns that land in inboxes.

We started our company inside a University of Waterloo computer lab in early 2014, graduated from Y Combinator that summer (S14 batch) and have been growing ever since. Originally based in Kitchener, our team is now 100% remote and located all across Canada! We strive to provide an online work environment that allows team members to have a strong work life balance while still feeling connected to their team and Hive’s mission.

To learn more about our team check out our About Us page on our website:https://www.hive.co/company

",

vidIQ is hiring a remote Software Engineer. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.

vidIQ - Chrome extension for YouTube video creators.

ClassDojo is hiring a remote iOS Engineer. This is a full-time position that can be done remotely anywhere in the United States.

ClassDojo - Build wonderful classroom communities with parents and students.

About Us

Winna.com is an innovative crypto casino, pushing the boundaries of online gaming with cutting-edge technology and a seamless user experience. We are building a high-performance, scalable, and secure platform to serve a growing number of players worldwide. As we scale, we are looking for talented iniduals who want to shape the future of crypto gaming with us.

The Role

We are seeking a Back-End Developer to build and optimize the foundation of our gaming platform. You will work on API development, database management, and performance optimization while ensuring security and scalability. This role is ideal for someone who enjoys working on high-load systems, solving complex challenges, and driving innovation in a dynamic, fast-paced environment.

What We Are Looking For

• We need a developer with a strong technical background who is passionate about creating scalable and efficient backend systems.
• Experience in the iGaming industry is important—you should be familiar with the mechanics and challenges of online casinos, player transactions, and gaming operations.
• A strong understanding of mathematical logic and calculations is valuable, as you will be working with gaming logic and odds calculations.
• You should be comfortable working with real-time applications and high-load environments.

Key Responsibilities

• Design, develop, and maintain APIs for our casino platform
• Manage and optimize databases for scalability and efficiency
• Ensure high performance and low latency in a high-load environment
• Implement robust security measures to protect user data and transactions
• Develop and integrate new functionalities into our platform
• Work closely with the front-end, DevOps, and external teams to ensure seamless system integration
• Optimize and fine-tune gaming logic, mathematical models, and calculations to ensure accurate gameplay mechanics, as well as support real-time dashboard KPIs and data visualizations

Skills & Attributes

• Tech stack: Strong experience with Node.js, plus expertise in SQL, Redis, Web3, AWS is a plus
• Understanding of high-load systems and real-time data processing
• Experience designing and optimizing database structures
• Knowledge of cryptographic principles and security best practices
• Strong problem-solving skills and a passion for mathematical logic and calculations
• Familiarity with iGaming industry mechanics is a must—understanding game engines, odds calculations, and player transaction flows
• Ability to work independently and collaboratively with a distributed team
• Experience integrating blockchain/Web3 technologies is beneficial

Why Winna?

• Work on an innovative crypto gaming platform with cutting-edge technology
• The opportunity to shape the core architecture of a fast-growing casino platform
• A dynamic, agile work environment with direct impact on the product
• Flexible work options: Remote, Hybrid, or On-site in Berlin
• A talented, passionate team with a startup mindset and flat hierarchies
• Competitive compensation based on experience and expertise

How to Apply

If you’re excited about this opportunity, we’d love to hear from you!

Send us your GitHub, CV, or a short intro about your experience.

We look forward to meeting you!

"

As an AI Engineer at Eloquent AI, you will be at the forefront of building, deploying, and optimizing enterprise-grade AI agents that handle high-stakes conversations. You’ll work directly with software engineers, deep learning experts and AI researchers to design intelligent agents that understand, take action, and deliver real business impact.

This role requires a mix of software development, AI integration, and problem-solving skills, with the ability to customize, optimize, and scale AI models for real-world enterprise applications. If you're passionate about LLMs, conversational AI, and solving last-mile AI adoption challenges, this role is for you.

You will:

* Build, deploy, and optimize AI agents that engage in enterprise-grade conversations.

Requirements:

* 3+ years of experience in software development or AI engineering in a production environment.

Bonus Points If…

* You have experience with prompt engineering, parameter-efficient fine-tuning (PEFT), retrieval-augmented generation (RAG), reinforcement learning for LLMs.

",

The Opportunity

As a Frontend Engineer on the Nascent engineering team, you will play a critical role in designing and building the user interfaces that power our trading platform. From creating elegant, high-performance UI in React to collaborating across the stack, you’ll help shape products that enable our team to move fast and operate at their best. You’ll contribute to a lean, agile development team—owning components end to end, bringing clarity to ambiguous problems, and pushing the boundaries of what’s possible through creative solutions and sharp execution.

You will thrive in this role if you’re a resourceful builder who loves solving complex challenges and turning ideas into intuitive, high-impact interfaces. You enjoy connecting the dots between teams, and you move fluidly between starting bold new projects and refining existing ones. You’re excited by the future of crypto and trading, supercharge your workflows with LLM tools, and care deeply about both speed and quality. If you’re curious, adaptable, and ready to help shape the next phase of our platform, we’d love to work with you.

Responsibilities

• Design and build world-class UI for the next phase of our trading platform, enabling our team to do their best work
• Ensure resilience and stability through quality code reviews, unit, regression and user acceptance testing
• Be an integral contributor to a lean agile development team, fostering a culture of continuous improvement.
• Take full ownership of multiple components including design, implementation, and maintenance
• Operate independently and in unison with a team to deliver code updates
• Contribute creative ideas and novel approaches to product and engineering challenges, pushing the boundaries of what’s possible.
• Bring clarity and structure to ambiguous problems, identifying key requirements and proposing actionable solutions.

About you

• You crave autonomy and agency to deliver against a shared vision and find real joy in providing solutions to complex problems.
• You enjoy connecting the dots between teams, valuing strong communication and collaboration.
• You are curious about the future of crypto, trading and the financial world as a whole.
• You love using LLM tools in your daily workflows.
• You are as excited by starting a project as completing, maintaining, and continually optimizing it.
• You are resourceful and can toe the line between moving fast and breaking things and moving methodically to get things right the first time.
• You are extremely agile and have a strong ability to adapt quickly to evolving requirements.
• You are an avid learner and always keeping on top of the latest technologies.

Preferred experience

• 2-5 years of experience in Front-end development, ideally using React, Angular or VueJS. Bonus if you have experience with and/or interest in learning Rust.
• Previous experience in creating visually appealing and intuitive user interfaces, ideally for complex financial applications.
• UX Design Skills with experience in tooling such as InVision, Figma, Balsamiq.
• Have built trading and/or financial applications in the past (through experience, hobby or project work).

About Nascent…

Founded in 2020, Nascent exists to build, expand, and capture opportunity, in open markets and permissionless technologies. Building from a base of permanent capital, we deploy assets across a range of both liquid and long-term strategies that ensure we are among the most active users of the open financial system we are helping to build. We’ve made venture investments in 100+ early-stage teams that we believe have the potential to create substantive change, expand boundaries, and find new horizons. We are consistently on the hunt for the most competitive and curious minds exploring the edges of the crypto ecosystem and leverage our hyper flexible structure to accelerate ideas into fully deployed strategies.

Our Team & Culture

At Nascent, we are an interdisciplinary team of investors, builders & creators, capable of achieving more together than we can as iniduals. We offer the opportunity to contribute to building the future global economic system with a world-class team and culture that pairs the freedom to explore, experiment & play with a competitive drive to win. We invest in our people by providing the autonomy to build, coupled with accountability & honest feedback to help learn, grow, perform & win. Our distributed team understands the value of in-person time—we host two team retreats per year and encourage team members to come together for more frequent in-person work.

Principles that drive our team & work

• Compete to win
• Explore, experiment, play
• Always be building
• Seek and speak truth
• Own your shit.

What We Offer

At Nascent, we offer a competitive total compensation package heavily weighted toward bonus, ensuring that when we perform at our best and the firm wins we all win.

• The opportunity to learn, experiment and build in an entrepreneurial environment
• Remote and distributed working environment
• Comprehensive health benefits package including dental, vision, and life
• 16 weeks fully paid parental leave & supported return to work
• Home office setup and stipend or coworking space and wellness stipend
• Retirement plan matching contributions
• Open vacation policy as well as flexible work hours and location
• Team activities and bi-annual in-person team retreats

We are an equal opportunity employer and celebrate ersity and differences of perspectives. We do not discriminate on the basis of any status, inclusive of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.

👋 GM

We are OpenCover — our mission is to keep the world safe onchain.

OpenCover operates at the intersection of blockchain security and insurance. Working in tandem with leading industry players, we protect iniduals, businesses and institutions against onchain risks such as malicious transactions, smart contract exploits and depegs.

Founded by Y Combinator alums, our team is backed by Tier 1 investors including Lloyd’s of London Lab.

Want to join a high-performance, high-integrity team taking onchain safety to the next level? Read on.

🚀 Your role

You would join the founding team to develop core backend infrastructure working closely with our CTO. Your role would focus on expanding the first transaction security layer to insure billions in value. The work involves collaborating with top protocols and industry players to prevent incidents like the ByBit hack from ever happening again.

Areas you’ll work on

• Soft auditing and semantic modelling of leading protocol designs and functions.
• Designing, implementing and backtesting transaction validation checks.
• Developing asset pricing and transaction risk models.
• Tracking exposure and other insurance metrics in real-time.
• Iterating and expanding our API based on customer feedback.
• Staying up to date with industry trends including EIPs and security incidents.

You’d be a great fit if

• You’re a generalist who quickly embraces new technologies and challenges with a passion for building products from the ground up in a collaborative, tight-knit team.
• You go all out to use your knowledge and work well autonomously but know when to reach out for support.
• You have 5+ years of full-time experience developing and shipping backend services with Node.js and TypeScript.
• You’ve designed, implemented and/or audited smart contracts on EVM-compatible chains and have hands-on experience using DeFi.
• You’re familiar with PostgreSQL, messaging brokers, AWS/GCP, Docker, Bash and Linux.
• You are constantly improving your tech stack and use AI tools to accelerate development.

🙌 Our offer

• Put your dent in the universe: build products for and with some of the largest players across Web3 and TradFi.
• Directly impact company trajectory and play a key role in driving onchain adoption.
• Work IRL with the team at Lloyd’s of London 1–5 days a week— your choice!
• Flexible hours with 28 days of paid holiday plus company closure days.
• Competitive compensation based on experience + 0.1–0.5% equity.
• The equipment you need to do your best work + $1,000 for well-being and personal development each year.
• Company-paid travel to events and conferences, if that’s your thing!

Ready to apply?

Head to opencover.com/apply/bbe and get shortlisted in 10 minutes or less.

"

At Oway, we're redefining how businesses move freight by pioneering a rideshare model for shipping pallets. We’re looking for exceptional engineering interns who thrive on autonomy, speed, and impact. You’ll have direct involvement in building and scaling key systems—like real-time pricing models, intelligent vehicle routing, user engagement tools, and high-volume payment infrastructure.

This isn’t a checkbox internship. We want people who build fast, think creatively, and are excited to help shape a product that’s transforming commerce in America. If you're a strong inidual contributor who can run with complex tasks and you love shipping code that impacts how physical businesses work with each other—come work with us.

Even if you don’t match every bullet on a traditional job description, we still want to hear from you.

",

Clearpool is the leading decentralized finance credit marketplace, preparing to launch Ozean — the blockchain for RWA yield. Clearpool’s permissionless protocol enables institutions to raise unsecured liquidity directly from DeFi markets, while a separate fully permissioned platform, Clearpool Prime, further meets the compliance needs for wholesale borrowing and lending of digital assets by institutional market participants.

Launched in March 2022, Clearpool has originated over US$620 million in loans with a growing user base spanning both crypto and TradFi institutions such as Wintermute, Jane Street, Fasanara Digital, CoinShares, and others. The protocol launched on the Ethereum mainnet in March 2022, followed by the expansions to Polygon PoS, Polygon zkEVM, Optimism, Mantle Network, Flare Network, Base and Arbitrum. Clearpool is currently building Ozean, the first blockchain for RWA yield built on and supported by Optimism.

More info

Job Overview:

We are seeking a highly skilled and experienced Senior Smart contract / Rollup Engineering Lead to join our dynamic team. The ideal candidate will have a strong background in Solidity/EVM Smart contracts with a keen interest in the evolving Web3 and RWA landscape for DeFi. This role primarily involves creating, designing, and implementing smart contracts, leading and managing the rollup infrastructure (Layerzero OFT, Hyperlane, Optimism L2 stack).

Key Responsibilities:

• Must be open to working
• Has contracts on the Ethereum/EVM that have handled non-trivial amounts of funds
• Develop libraries and code to interact with smart contracts and Node backends via NodeJS
• Writing, testing, and enhancing Solidity/EVM smart contracts
• Experience with foundry and testing with Tenderly
• Proven experience with Solidity security audits & working with auditors

Qualifications:

• Fluent in English communication
• Crypto Native
• Comfortable working in the fast pace and volatility of early-stage startups
• Strong understanding of the L2 Rollups and its ecosystem, upcoming technology, and application-specific blockchains
• Excellent problem-solving skills and attention to detail
• Strong communication and teamwork skills
• 4-5+ years of hands-on experience in backend and smart contract development
• Experience with building different DeFi products is ideal

Extras:

• Past experience in contributing to or maintaining open-source projects

Pay/Tokens:

• Salary Range $100,000-$120,000 USD annually
• Competitive token incentives plan
• Paid in USD stables. Payment and tokens are to be discussed based on qualifications, experience.

Role

• Setup, maintain and monitor fleets of blockchain nodes for Nirvana’s global customer base.
• Build and maintain scaleable and flexible automations for running blockchain nodes and internal monitoring services.
• Set and maintain the best-in-class infrastructure practices.
• Collaborate with cross-functional teams to align technical solutions with business goals and client needs.

Requirements

• Fluent in English
• In a time zone between PT to ET (UTC-8 to UTC-5)
• Proficient in scripting (i.e. Bash) and automation frameworks (e.g. Ansible, Terraform, Puppet, Chef)
• 4+ years of proven experience in DevOps or Site Reliability Engineering roles.
• Experience managing and optimizing bare-metal servers.
• At least 1 year of professional experience in creating and maintaining blockchain RPC nodes (e.g. Ethereum, Arbitrum, Solana etc.)
• Knowledgeable in deploying services reliably using tools like GitHub Actions, CircleCI, TravisCI, or Jenkins.
• Proficient with monitoring and logging tools (e.g, Prometheus, Grafana etc).
• Experience with Git-based systems for code and configuration management.
• Knowledge of various blockchain protocols and standards.
• Awareness of cybersecurity practices relevant to blockchain and distributed systems.

Nice to have

• Experience in creating automation tasks and internal tooling using Golang.
• Active contributions to relevant open source blockchain projects.
• Certifications for cloud providers, Kubernetes, or security certifications.
• Familiarity with a variety of blockchain environments.
• 1 year of experience in a technical leadership role.

At Edge & Node, we’re focused on building The Graph, a decentralized protocol for accessing and organizing the world’s knowledge and information. Subgraphs, a core technology developed by Edge & Node to access blockchain data, are widely used across web3 to power decentralized applications.

We’re a tight-knit, efficient team with a bias for action and a strong sense of ownership. Our teams have autonomy, low ego, and are trusted to drive projects end to end. We care deeply about building infrastructure for web3 use cases and collaborate across disciplines to make that happen. If you’re passionate about infrastructure that has a real impact on our users, enjoy solving hard problems, and thrive in a fast-paced environment, you’ll feel right at home.

The Engineering Operations team, including Site Reliability, works closely with engineering teams across Edge & Node to ensure the services we operate are reliable, performant, predictable, and secure. We are on a mission to take our service delivery to the next level.

About the Role

We’re looking for a Tech Lead, Site Reliability Engineering (SRE) to help guide the future of infrastructure and reliability at Edge & Node within The Graph ecosystem. In this role, you’ll be both a technical leader and hands-on contributor, driving industry best practices in reliability, infrastructure, observability, and operational excellence while collaborating cross-functionally to optimize and secure our systems.

You’ll play a critical role in setting the technical direction for the team—shaping how we build, scale, and support our services—while also staying actively involved in the day-to-day work. This is a role for someone who’s passionate about infrastructure and security, has stellar interpersonal skills, and is excited to lead us toward a more scalable, observable, and resilient future. You will partner closely with the team’s manager as well as stakeholders across the engineering organization.

What You’ll Do

• Lead by example as a hands-on technical contributor, participating in on-call rotations, incident response, and the day-to-day work of the SRE team
• Partner with engineering and product leadership to shape roadmaps, define team priorities, and plan work that improves reliability, performance, and scalability across the stack
• Team with and support other SREs, leveraging your leadership and soft skills to foster a culture of continuous learning, blameless retrospectives, and technical excellence
• Own the incident lifecycle, including root cause analysis and follow-up remediation, and work to make our systems increasingly self-healing
• Drive SRE team strategy, advocating for industry best practices, standardization, and secure and optimized infrastructure
• Architect and improve core infrastructure services, with an eye toward high availability, fault tolerance, performance, and end-to-end observability
• Work across teams to challenge assumptions, fundamentally overhaul our systems, and improve documentation
• Collaborate with external partners and vendors as needed to ensure the health of critical services

What We’re Looking For

• Proven experience as a senior or lead SRE or devops engineer, ideally having led large-scale reliability initiatives or infrastructure transformation projects
• Strong project or technical leadership skills, with a track record of guiding teammates and setting technical direction while still remaining hands-on
• Deep knowledge of the SRE/devops domain, including incident response, security awareness, maintaining SLAs and uptime guarantees, observability, supporting internal development teams, project and capacity planning, and/or system architecture
• Experience with both cloud and on-prem core infrastructure, ideally with Google Cloud Platform (GCP), bare metal infra, and kubernetes (or similar orchestration tools)
• Fluency in infrastructure as code, Terraform, automation tooling, CI/CD pipelines, and system monitoring solutions such as Grafana
• Excellent interpersonal, leadership, and communication skills, with the ability to align stakeholders and motivate and unblock team members
• Experience in web3, crypto, or blockchain is a plus (but not required)

About The Graph

The Graph is the indexing and query layer of the decentralized internet. As the first open data marketplace to introduce and standardize subgraphs, The Graph is a flagship solution for accessing blockchain data across web3.

Since launching in 2018, tens of thousands of developers have built subgraphs to power dapps across 90+ blockchains. As demand for web3 data grows, The Graph is evolving to support a broader range of data services and query languages, expanding what’s possible with decentralized infrastructure—now and in the future.

Discover more about how The Graph is shaping the future of decentralized physical infrastructure networks (DePIN) by following The Graph on Discord.

As a Protocol Research Specialist at Raiku, you will be at the forefront of protocol research and development, bridging the gap between technical innovation and market implementation. You’ll be crucial in monitoring and influencing protocol developments while translating complex technical capabilities into compelling use cases for our target markets. This position requires a unique blend of technical expertise, market understanding, and communication skills.

About Us

We believe Raiku is reimagining Solana’s consensus ecosystem by developing software that directly connects validators with purpose-built execution environments. We’re building institutional-grade infrastructure that delivers unprecedented performance, guaranteed transaction inclusion, and deterministic settlement for the next generation of internet-native applications. We unlock radical bandwidth and latency improvements by shifting Solana’s focus to state verification.

Core Responsibilities

Protocol Research & Development

• Monitor and analyse Solana protocol changes (SIMDs) and their impact on Raiku’s infrastructure
• Drive Raiku’s protocol development by drafting and advocating for strategic SIMDs
• Host technical workshops with the team on relevant SIMDs and architectural changes to the network.

Product & Commercial

• Create technical use cases and system diagrams showcasing Raiku’s infrastructure capabilities.
• Support commercial discussions with partners and clients
• Transform technical capabilities into clear value propositions for target sectors
• Bridge the gap between technical capabilities and commercial opportunities

Technical Communication & Writing

• Produce technically accurate content for marketing and educational purposes.
• Represent Raiku in technical discussions across public forums
• Collaborate with the team on technical documentation and presentations
• Contribute to the company’s thought leadership in the Solana ecosystem

What You’ll Bring

• Bachelor’s degree or higher in Computer Science, Engineering, or related technical field
• Proven track record of writing in-depth technical articles mainly focused on blockchain protocol architecture and improvement proposals
• Ability to effectively bridge business requirements with technical specifications
• Deep understanding of blockchain protocols, particularly Solana’s architecture and ecosystem
• Experience with protocol development and improvement proposals
• Outstanding technical writing and documentation skills
• Proven ability to translate complex technical concepts into clear, business-focused use cases
• Excellent communication skills for both technical and non-technical audiences
• Track record of working independently while collaborating effectively with cross-functional teams

Preferred Qualifications

• Strong stakeholder management skills with experience in client-facing roles
• Familiarity with Solana’s governance and improvement proposal process
• Experience in product development or technical sales
• Active participation in blockchain technical communities

Benefits

• Opportunity to shape the future of Solana’s infrastructure
• Competitive compensation package, including token allocation
• Remote-first work environment
• A one-off allowance upon joining to set up a home office
• Professional development opportunities
• Chance to work with cutting-edge technology and world-class engineers

Webflow is hiring a remote Senior Software Engineer, Webflow Labs. This is a full-time position that can be done remotely anywhere in Canada or the United States.

Webflow - Responsive web design tool, CMS, and hosting platform.

Gremlin is hiring a remote Senior Backend Engineer. This is a full-time position that can be done remotely anywhere in the United States.

Gremlin - Helps engineers build resilient systems using our control plane & API.

Nimbus is a research team that focuses on developing an Ethereum client and library. We believe that the largest deployment of Ethereum will potentially be on embedded systems and Nimbus is designed to perform well on embedded, mobile and generally resource-restricted devices.

Building the stack from the ground up, we’re translating the latest Ethereum research into practical, performant and reusable libraries to provide a fertile exploration ground for further R&D.

Check out our latest update!

The role:

We’re looking for an experienced Ethereum Validator Operations Lead to help us run our staking operations smoothly and efficiently. This role involves working with Ethereum node operations, staking mechanisms, and DeFi analytics to drive growth and profitability.

Responsibilities:

Prepare for upcoming updates:

• Stay on top of important updates to the Ethereum network, such as the Pectra update.
• Assess how these updates will affect our operations and make any necessary changes.

Node operations and DeFi:

• Oversee the technical aspects of our Ethereum node operations to ensure they’re running smoothly and efficiently.
• Use your knowledge of DeFi protocols, particularly Lido, to optimise our staking strategies.

Expand and grow staking operations:

• Explore opportunities to expand our staking operations beyond Lido, including working with other protocols and institutional partners.
• Balance growth with the continued support and improvement of our existing Lido operations.

Asset and portfolio management:

• Strategically manage the assets we’ve earned from staking operations, looking for ways to grow and ersify them.
• Analyze the market to inform our portfolio decisions.

Optimize operations and monitoring:

• Work with our Insights group to set up monitoring tools to track our staking operations’ performance and profitability.
• Continuously look for ways to improve our infrastructure and operations to reduce costs and increase profitability.

Maximize revenue:

• Find ways to capture private order flows and develop solutions to increase revenue.
• Identify and capitalise on other opportunities to enhance our revenue streams.

Reduce costs:

• Lead efforts to minimise operational costs, focusing on efficient resource allocation, hardware, and personnel.

Requirements:

• Required professional experience in a similar role within the Ethereum/DeFi ecosystem, with a focus on staking operations and growth strategies.
• Strong understanding of Ethereum, node operations, and staking mechanisms.
• Proven experience in DevOps practices, infrastructure optimisation, and monitoring solutions.
• Background in DeFi, particularly with Lido, and the ability to work with other staking protocols.

Hiring Process:

• Interview with our People Ops team;
• Two or three interviews with Nimbus team members & the venture studio, the Institute of Free Technology.

[The steps may change along the way if we see it makes sense to adapt the interview stages, so please consider the above as a guideline. We’re looking for you to join our team as soon as possible].

Bonus Points:

• Experience with MEV capture solutions.
• Familiarity with institutional staking operations and partnerships.
• Knowledge of portfolio management principles and asset ersification strategies in the crypto space.

Compensation:

We are happy to pay in any mix of fiat/crypto.

Matter Labs is looking to hire a Staff Engineer (Cryptography) to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.

Wikimedia Foundation is hiring a remote Director of Engineering, MediaWiki. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.

Wikimedia Foundation - The non-profit that operates Wikipedia.

Twilio is hiring a remote Developer Evangelist. This is a full-time position that can be done remotely anywhere in Australia.

Twilio - Build the future of communications.

Apollo is hiring a remote Senior Data Engineer. This is a full-time position that can be done remotely anywhere in Poland.

Apollo - Apollo is the all-in-one sales intelligence platform.

Discord is hiring a remote Senior Data Engineer. This is a full-time position that can be done remotely anywhere in the United States.

Discord - The easiest way to talk over voice, video, and text.

* This is an opportunity to join our team of top-notch software engineers working closely together on interesting projects for our clients. This position is fully remote (indefinitely). **Emergent Software is looking for a senior software engineer who is a smart, passionate, and curious problem solver with experience using the Microsoft stack to solve business problems. A qualified candidate is a full stack software developer with advanced knowledge of C# and .NET and experience leading software development projects. This 100% remote position is for self-starters with good communication skills, work ethic, and the ability to participate in all aspects of the agile software development life cycle.Highlights & Benefits of working at Emergent Software Work closely with other talented engineers and team members. Our vetting process means you can count on your team members to know what they are talking about.* Work from home or work remotely from anywhere you want* Flexible work schedule meaning you can work regular hours or choose weekends and evenings* Work-life balance is essential and highly valued at Emergent Software. If you choose to work more than 40 hours, you’ll be compensated for the extra work!* Work on interesting projects solving complex business problems with custom software.* 100 hours per year to focus on your professional development. We invest in your growth!* Profit sharing bonus means as we’re successful, you’re successful* Excellent benefits package including medical insurance, dental, vision, 401(k) matching, FSA, disability, life insurance, and paid parental leaveTypical Tech Stack* C# and .NET (latest versions)* Blazor or React (JS or TypeScript)* Azure SQL* Azure PaaS (App Services, Blob Storage, Service Bus, etc.)* Azure DevOps for CI/CD* Umbraco, Sitecore, or Contentful (when CMS is required)Primary Duties* Solve client needs by building new custom software, enhancements, bug fixes, or consulting.* Work on a full scrum team contributing new code and reviewing pull requests on a large enterprise scale software project.* Or lead mid-sized software development projects from start to finish balancing work from multiple projects simultaneously.* Participate in technical requirements gathering, technology selection, data modeling, Azure infrastructure design, and DevOps & CI/CD process design with guidance from other technical and architecture experts.* Architect & develop new applications and features using industry standard best practices.* Meet with clients to craft technology solutions that meet their business needs and estimate the effort required to deliver.* Collaborate with other software developers on an agile development team.* Provide code feedback to other developers through pull request reviews.* Share your knowledge at regular talk shop and lunch & learn sessions to help build a stronger team.* Other related duties as assigned by your manager.Required Qualifications* Advanced experience with Microsoft stack web development (C#, .NET, SQL Server, Azure, JavaScript, HTML, CSS)* Competence in at least four areas in the full stack with advanced experience in at least one:1. Backend development (data access, services, MVC, APIs)2. Frontend development (HTML, CSS, JavaScript)3. JavaScript frameworks (React, Vue.js, Angular)4. Database design and development (data modeling, optimization, T-SQL)5. Infrastructure (DevOps, CI/CD, source control, Azure)* Knowledge of good architectural patterns for writing scalable and maintainable software* Proven success leading projects from start to finish* Strong technical and non-technical communication skills, both written and verbal* Comfortable speaking to clients* Ability to estimate tasks effectively and accurately* Ability to gather and write strong requirements based on client’s business objectivesNice to Have Experience* Previous consulting experience* Working directly with customer teams of various sizes* Blazor* React or similar (e.g. Angular, Vue.JS)* Content management systems (e.g. Sitecore, Umbraco, Contentful)* Microsoft Azure or similar (AWS, Google Cloud)* Cross-platform mobile app development (e.g. Xamarin, React Native)* Other programming languages & technologies (e.g. Node.JS, PostgreSQL, Ruby, PHP)Our Vetting ProcessAt Emergent Software, we work hard to find the best software engineers capable of developing high quality software for our clients. If you think you’re one of those, please understand that the effort put into this by people like yourself helps us be successful in surrounding you with other top-notch engineers. Here are the steps of our vetting process for this position:* Application (5 minutes)* Online Assessment & Short Coding Test  (50-70 minutes)* Initial Phone Interview (30-45 minutes)* At-Home Coding Exercise (3-4 hours)* Technical Interview (60-90 minutes)* Job Offer!Benefits Package Details* Medical Insurance: up to 80% of your monthly medical premium (HSA options available)* HSA Contribution: up to $144/month* Dental & Vision Insurance: up to 50% of your monthly dental and vision premium costs* 401(k) plan: company match up to 4% of salary* Profit sharing bonus: up to 15% of salary paid quarterly* Extra compensation: get paid extra for work over 40 hours/week* Employee referral & customer referral bonuses* Flex Spending Account (FSA) for Dependent Care & Healthcare Costs* Dependent Care FSA Contribution: $90/month* Short Term Disability: $500/week for 12 weeks* Long Term Disability: up to $6,000/month* Group term life and AD&D insurance: $50k* PTO, standard holidays, 2 floating holidays* Paid parental leave: 2 weeks* Staff development program: 100 hours/year plus training costs About Emergent SoftwareEmergent Software is a fast-growing software development, cloud consulting, and data engineering company serving clients across the country. We are regularly adding to our team of talented software engineers, cloud architects, data engineers, UX designers, technical product owners and more who can help us deliver high quality services for our clients.We are a remote-first companySince our inception, we've embraced a remote-friendly culture, promoting work flexibility beyond the norm. When the pandemic struck in 2020, our transition to fully remote work was seamless—just a matter of cleaning out the fridge. Recognizing an opportunity, we adopted a remote-first approach and began hiring talent from anywhere. We continue to offer our signature Minnesota-nice, Midwest-friendly attitude, ensuring everyone feels valued, whether or not they're familiar with the skyway system.Your career grows with usWorking with talented engineers on interesting projects creates an engaging environment for software development enthusiasts. By working directly with our experienced team, participating in our staff development program, and solving complex problems across a variety of projects, you’ll find numerous opportunities for long-term career growth.At Emergent Software, your ideas will be heard, you will grow exponentially as a master of your craft, and you will enjoy working other dedicated team members to deliver software solutions for our clients.Check out what others sayVisit our Glassdoor page to discover how employees enjoy our remote working structure, flexible hours, profit sharing program, and more!#EmergentSoftwareIn this role, you will lead the technical delivery of mid-sized development projects with the goal of solving our clients' business problems with custom software solutions. See the job description for requirements. #Salary and compensation

Uniswap is looking to hire an Application Security Engineer to join their team. This is a full-time position that is remote or can be based in Brooklyn NY.

"

About AfterQuery:

AfterQuery empower foundational AI labs, enterprises, and startups by providing high-quality human-generated datasets that are essential for fine-tuning more capable, refined, and reliable AI systems. We are on the forefront of creating the most complex data infrastructure to capture the most useful data for our major clients. We have raised our most recent round from BoxGroup, YC and a group of strategic angels that will push us to be at the forefront of the industry. 

About the role:

As our first founding engineer, you’ll be critical in creating data infrastructure that will be shaping the future development of frontier models. You will be one of our first hires, and will get a lot of responsibility, owning entire projects end-to-end – meaning you can see your impact instantly. 

What You’ll Do

* Build and scale complex data capturing workflows across web (Next.js) and desktop (Python)

What We’re Looking For

* At least 1-2 previous internships in front-end / full-stack development

Why Join?

* Massive Opportunity: We were one of the fastest growing YC companies in our batch, and we believe we can be one of the fastest growing YC companies of all time 

",

Join Tether and Shape the Future of Digital Finance

At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, all at a fraction of the cost. Transparency is the bedrock of everything we do, ensuring trust in every transaction.

Innovate with Tether

Tether Finance: Our innovative product suite features the world’s most trusted stablecoin, USDT, relied upon by hundreds of millions worldwide, alongside pioneering digital asset tokenization services.

But that’s just the beginning:Tether Power: Driving sustainable growth, our energy solutions optimize excess power for Bitcoin mining using eco-friendly practices in state-of-the-art, geo-erse facilities.

Tether Data: Fueling breakthroughs in AI and peer-to-peer technology, we reduce infrastructure costs and enhance global communications with cutting-edge solutions like KEET, our flagship app that redefines secure and private data sharing.

Tether Education: Democratizing access to top-tier digital learning, we empower iniduals to thrive in the digital and gig economies, driving global growth and opportunity.

Tether Evolution: At the intersection of technology and human potential, we are pushing the boundaries of what is possible, crafting a future where innovation and human capabilities merge in powerful, unprecedented ways.

Why Join Us?

Our team is a global talent powerhouse, working remotely from every corner of the world. If you’re passionate about making a mark in the fintech space, this is your opportunity to collaborate with some of the brightest minds, pushing boundaries and setting new standards. We’ve grown fast, stayed lean, and secured our place as a leader in the industry.

Are you ready to be part of the future?

About the job

As a Senior Backend Developer, you will be a part of the team that works on the development of Tether backend components

New Products and Features - Tether continuously strives to create innovative new features in order to provide the most professional trading experience for customers. These are developed and deployed using agile methodologies, to ensure the user experience remains the best in the industry.

Scalability - all backend services that power Tether must remain effortlessly smooth, responsive, and real-time for customers as the platform continues to scale to accommodate new user growth.

Security - Security is the most important feature. The Backend Development team is responsible for building all the services and core processes with the highest security principles and standard, in order to protect the safety of the entire user base.

Job requirements

• 6 years of experience working with Nodejs/JavaScript.
• Familiar with microservices architecture
• Have actively participated in the development of a complex platform
• Familiar with Peer-to-Peer technologies
• Good experience in interacting with databases (MySQL, MongoDB)
• Ability to quickly learn new technologies
• Good understanding of security practices

Nice to have

• Experience with blockchain integration
• Comfortable with high-availability concepts
• Ruby, Rust or C++ skills are a plus
• Other technologies of interest: Message queues (Redis), Caches and Job Queues

Chess.com is hiring a remote Senior Frontend Engineer. This is a full-time position that can be done remotely anywhere in United States, Spain, Serbia, United Kingdom or Canada.

Chess.com - The world's largest chess community.

About CoW DAO

CoW DAO is on a mission to protect Ethereum users from the dangers of DeFi. It does this by supporting the development of CoW Protocol, CoW Swap, MEV Blocker, and CoW AMM, and by funding values-aligned projects through the CoW Grants Program.

CoW Protocol is the second-largest DEX aggregator by monthly volume and the first-largest intents-based exchange. MEV Blocker is currently involved in ~4% of all Ethereum transactions, making it the category leader. CoW AMM is the only live AMM that protects LPs from LVR (loss-versus rebalancing).

As a member of CoW DAO’s core team, you will have the opportunity to shape these essential products, and contribute to the Ethereum ecosystem more broadly.

About the role

Location: We are a fully remote team, and although we hire almost globally, there is a preference for this role to be based in Europe or remote +/- 4 hours CEST time

Please note we’re not hiring from the US, Australia, or New Zealand

Position: Full-time contractor

You’ll be joining the team overseeing the design, monitoring, and enhancement of the CoW Protocol’s solver competition. As the pioneer in intent-based trading, this competition has attracted top players in the field. Building strong relationships between solver teams (those responsible for executing trades onchain) and our core team is vital for the protocol’s growth.

Your role involves providing technical support to solver teams, identifying challenges they face, and collaborating with our core team to enhance the competition. You’ll also develop essential components for monitoring the competition, ensuring compliance and user protection. This journey will deepen your understanding of blockchain intents and our batch-auctions-based approach, exposing you to valuable data for insightful analysis. Ultimately, you’ll play a crucial role in ensuring the CoW Protocol’s solver competition operates effectively, in line with the CoW DAO’s principles of fairness, safety, and decentralization.

What you’ll do

• Provide technical support to solver teams; keeping them updated, gathering their input, and troubleshooting any issues that arise
• Dive deep into the competition dynamics, understanding the needs of solvers, and crafting tools to enhance competition monitoring
• Engage in various implementation tasks for the solver competition, like setting up rewards systems, managing token balances, and refining price data feeds
• Apply data analysis techniques to gain insights on the behavior of both our users and solvers, and design metrics to evaluate how strong our trading mechanism is
• Explore the fundamental Game Theory principles guiding the competition’s mechanics and rules
• Help towards the further decentralization of the solver competition

Who you are

• You’re skilled in coding, especially in Python, and familiarity with Rust is a bonus
• You’re proficient in SQL and comfortable navigating databases
• You’re intrigued by the Game Theory principles driving the mechanics of the solver competition
• You’re passionate about blockchain technology and advocate for a decentralized future in digital currencies
• You thrive on tackling complex problems, utilizing a range of tools, from algorithms to data analysis, to find effective solutions
• You enjoy collaborating with multiple teams, communicating openly to grasp their challenges and work together towards solutions
• You’re eager to develop a erse skill set, delving deep into the blockchain technology supply chain and understanding the interactions among various entities, with a focus on the Ethereum blockchain

What we can offer you

• Flexible work environment: Join our hub in Lisbon or work remotely
• Token plan: Have a stake in our mission and shape the future of CoW DAO
• Periodic gatherings: Enjoy opportunities to connect with the rest of the team through regular trips
• Conference allocation: Stay up-to-date with ecosystem advancements using our conference budget
• Learning budget: Use our learning budget to support your higher ambitions
• Hardware budget: Take advantage of a hardware budget for acquiring necessary equipment
• Make an impact: You are joining a startup where you can make a huge difference. Your work matters!
• Flat hierarchies mean fewer processes and bureaucracy - see more of your ideas come to life!
• Flexible work and vacation times: Prioritize work-life balance through our robust flexible work policy and vacation allowance
• Growth: If you’re someone who loves taking the initiative and getting things done, CoW offers lots of opportunities for your inidual growth

Culture

Life within the CoW Protocol is an incredible adventure! We take pride in our collaborative approach, embracing autonomy and fostering a culture of big thinking and continuous growth. We value impact, ownership, simplicity, and team spirit. Plus, we’re all about feedback, coming together, and enjoying the journey along the way!

At CoW Protocol, we strive to create a space where everyone feels included and empowered. We believe that our products and services benefit from our erse backgrounds and experiences. All qualified applicants are considered for positions regardless of race, ethnic origin, age, religion or belief, marital status, gender identification, sexual orientation, or physical ability.

Description

Patchstack Is Hiring a Senior Backend Developer (PHP/Laravel). This is a remote role but you must be located in EEST +/- 2.

Do you have extensive previous experience with PHP, Laravel and with tools such as PHPCS and PHPStan? Would you be excited to make millions of web applications more secure? Are you excited to work in a full-remote globally distributed company?

Patchstack is looking for a Backend Developer who has personal interest in web security and who can help us build modern web-based PHP applications with Laravel.

Patchstack is a cyber security company helping companies and software developers to identify & patch vulnerabilities in open-source code. We have a strong community focus with our own gamified bug bounty program called Patchstack Alliance.

Most importantly, we’re looking for a full-time team member who is an excellent communicator can grow with the rest of the team.

What we do:

• We provide a SaaS solution to detect and virtually patch plugin vulnerabilities.
• We run a community-driven bug bounty platform (Patchstack Alliance) to nurture a community of independent security researchers behind the WordPress ecosystem.
• We maintain an open and free WordPress vulnerability database
• We provide professional code review and security auditing to WordPress plugins 

Who are we looking for?

We’re looking for a self-disciplined professional with excellent communication skills who is fluent in the English language.

You’ll be working in a fast-paced startup environment where everybody is involved in planning the direction and growth of the company.

While we provide a lot of personal freedom, we’re looking for a solution-oriented person who is not afraid of challenges and is also happy to work on tasks that might not fall into everyday responsibilities.

Day-to-day tasks include:

• Develop web-based PHP applications using Laravel
• Refactor existing code to meet new standards and features (PHP 8)
• Write unit tests and document features and processes
• Coordinate with other members of the team and communicate on the status of your tasks

Requirements

• Timezone: EEST (+/- 2 hours)
• PHP, Laravel
• Familiar with tools such as PHPCS, PHPStan
• Good understanding of HTML, CSS, JavaScript
• SQL and the ability to write performant queries
• SQL schema design, normalization
• Understanding of MVC frameworks and SPA
• Version control such as git
• Ability to write clean code that is also reusable
• A focus on security and performance
• Fluent English in both speaking and writing
• Outstanding communication skills

Would be helpful:

• Good understanding of Vue.js, NuxtJS, AWS, Python
• Previous experience working as a developer
• Previous experience working in a remote team
• Knowledge about WordPress and other PHP-based content management systems
• Industry certifications

Benefits

• Highly impactful work
• No corporate environment
• Paid training for work-related personal development
• Paid vacations (35 days a year)
• Full-time telecommuting in a globally distributed team
• Co-working space membership or WFH equipment for home-office
• Fitness club or a local gym membership
• Competitive salary 
• Awesome team members!

The Company

SimplyAnalytics is a powerful spatial analytics and data visualization application used by thousands of business, marketing, and social science researchers in the United States and Canada. It comes pre-packaged with 200,000+ data variables and allows our users to create maps, charts, tabular reports, and crosstabs. We are passionate about creating outstanding software, and we believe in test driven development, continuous integration, and code review.

As a smaller company, each of our developers has an important role to play - at SimplyAnalytics, you are not just another cog in the wheel, you are an integral member of our team. You will be working on valuable features and making key decisions that impact the direction of the product and our users. In addition, we provide an excellent work-life balance, with 100% remote work, 20 personal days off, flexible work hours, a collaborative work environment, and quarterly “professional development days” to explore and share your interests with the rest of the team.

The Role

We're looking for a Senior Data Engineer to process datasets, manage our existing data workflows, develop and maintain ETL pipelines, conduct data related QA, and supervise a team of data developers. You will be creating and maintaining production-quality in-house tools within a large shared code base, and the data you curate will be used by thousands of university students, researchers, and marketing professionals.

We use PHP and Python for development, Postgres/PostGIS for data storage, and Dask and Dagster for data orchestration. We also use modern software development practices such as static typing and analysis, as well as automated testing.

The ideal candidate is a self-starter, has a high level of attention to detail, is comfortable asking questions, enjoys working with talented colleagues, and has an interest in analytics and data visualization.

We are a 100% remote company. Our employees can live and work anywhere in Canada, the United States, Mexico, Central America, and South America. This is a full-time salaried position. When applying, please include a cover letter.

Responsibilities:

• Design, develop, and test data processing related tools and features
• Process datasets through our data pipelines
• Write high-quality, clean, scalable, maintainable code
• Contribute ideas for new data processing tools or improvements to existing tools
• Assist colleagues through code-review, collaboration, and troubleshooting

Required:

• 5+ years of professional software development work experience
• 3+ years of experience working with large PHP codebases
• 3+ years of experience working with large Python codebases
• Comfortable using Linux CLI
• Experience with PostgreSQL
• Advanced relational database and data manipulation skills
• Experience with data orchestration platforms (e.g., Dagster, Airflow, or Prefect)
• Ability to maintain our full data processing stack in PHP and Python
• Experience with Docker

Bonus:

• Experience with geospatial demographic, business, marketing, or health data
• Experience with PostGIS
• Experience with Mypy or other static analyzers
• Experience with AWS