
Structure
10 months ago
back-end programmingcontinuous integration serverscontracteurope onlygcpkotlinlatin america onlypostgresqlrestful services/apisuk only
Time zones: EST (UTC -5), MST (UTC -7), ART (UTC -3), UTC -4, UTC -4:30, UTC -3, UTC -2, SBT (UTC +11), GMT (UTC +0), CET (UTC +1), EET (UTC +2), MSK (UTC +3), AST (UTC -4), FKST (UTC -3)
Structure’s mission is to improve every life with a deep, personalized understanding of the body. Our most notable products include our Structure Sensor line of 3D scanners, our Structure SDK 3D scanning software platform, and our cloud processing of anthropometric data. Structure is the worldwide leader in 3D reconstruction for medical applications, measured by volume of scans per year, and we plan to grow that position by continuing to deliver superior solutions to our customers.
We are committed to revolutionizing patient care by developing products that benefit from cross-functional optimization, effectively integrating superior hardware design with state-of-the-art Computer Vision algorithms.
We love it when our products deliver a seamless scanning experience, and so do our customers. We are looking for experienced backend developer candidates to join our team and help build next-generation scanning solutions.
The Role:
As our backend developer, you will be our Kotlin backend engineer expert, designing and overseeing Kotlin-based backend solutions.
Day-to-day responsibilities will include:
- Design & Development: Design, build, and maintain server-side applications using Kotlin. Create robust, scalable, and secure backend solutions.
- Code Quality: Ensure the quality of the code by writing comprehensive unit tests, integration tests, and following best practices.
- API Development: Develop and maintain RESTful APIs and microservices that support our frontend applications and mobile apps.
- Performance Optimization: Monitor and optimize performance, reliability, and scalability of server-side applications.
- Collaboration: Work closely with frontend developers, designers, and product managers to understand requirements and deliver high-quality solutions.
- Troubleshooting: Identify, troubleshoot, and resolve complex technical issues in production and non-production environments.
- Documentation: Write and maintain technical documentation, including architecture diagrams, API specifications, and data flow diagrams.
- Continuous Improvement: Stay up-to-date with the latest industry trends, technologies, and frameworks. Continuously improve the development process and infrastructure
What you’ll bring:
- 3+ years of experience in backend development with a strong emphasis on Kotlin
- Strong expertise in Kotlin and the JVM ecosystem
- Experience with frameworks such as Ktor or Sprint Boot
- Proficiency in designing and developing RESTful APIs and microservices
- Familiarity with relational (e.g., PostgreSQL, MySQL) and NoSQL databases (e.g., MongoDB, Cassandra)
- Understanding of modern CI/CD practices and tools (e.g., GitLab Pipelines, GitHub Actions)
- Experience with cloud platforms (e.g., AWS, GCP, Azure) and containerization (e.g., Docker).
- Knowledge of asynchronous programming and concurrency management
Bonus points if you have experience in the following areas:
- Experience with Kubernetes
- Familiarity with DevOps methodology
- Knowledge of security best practices in application development
- Experience with message brokers (e.g., Kafka)
Qualities of our team members:
- Great teamwork and interpersonal skills, strong written and verbal communication skills, proactive attitude, and a drive for results
- Demonstrated creative problem-solving approach and strong analytical, debugging, and troubleshooting skills
- Proven ability to work well with others in a fast paced, iterative development environment
- Attention to detail
Why Structure? We offer:
- A mission driven team and company culture
- Opportunity to develop cutting edge technologies used by medical professionals
- Diverse global team
- Remote work
- Flexible working hours
Location and Working Hours:
Structure’s R&D center is located in Boulder, Colorado, USA.
**
This is a remote position. Working hours are flexible, but applicants need to be available for a minimum of 3 hours of overlap with Structure’s R&D center per working day (8am to 6pm MT).**Compensation
Compensation will be competitive and based upon candidate’s skills, qualifications, experience and location.
Application window closes 3 months from posting date, or as soon as a suitable candidate is hired.
_
Structure is an equal opportunity employer and does not discriminate based on race, color, religion (creed), gender, gender expression, age, national origin (ancestry), disability, marital status, sexual orientation, or military status. We are committed to providing an inclusive and welcoming environment to our employees and welcome input from candidates and employees on how we can enhance our inclusiveness._
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The mission of Speechify is to make sure that reading is never a barrier to learning.
Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its 2025 Design Award winner for Inclusivity.
Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies.
Overview
We're looking to hire for our Data side of our AI team at Speechify. This role is responsible for all aspects of data collection to support our model training operations. We are able to build high-quality datasets at petabyte-scale and low cost through a tight integration of infrastructure, engineering, and research work. We are looking for a skilled Software Engineer to join us.
What You’ll Do
- Be scrappy to find new sources of audio data and bring it into our ingestion pipeline
- Operate and extend the cloud infrastructure for our ingestion pipeline, currently running on GCP and managed with Terraform.
- Collaborate closely with our Scientists to shift the cost/throughput/quality frontier, delivering richer data at bigger scale and lower cost to power our next-generation models.
- Collaborate with others on the AI Team and Speechify Leadership to craft the AI Team’s dataset roadmap to power Speechify’s next-generation consumer and enterprise products.
An Ideal Candidate Should Have
- BS/MS/PhD in Computer Science or a related field.
- 5+ years of industry experience in software development.
- Proficiency with bash/Python scripting in Linux environments
- Proficiency in Docker and Infrastructure-as-Code concepts and professional experience with at least one major Cloud Provider (we use GCP)
- Experience with web crawlers, large-scale data processing workflows is a plus
- Ability to handle multiple tasks and adapt to changing priorities.
- Strong communication skills, both written and verbal.
Salary and compensation
$140,000 — $200,000/year
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(il)chicagodefiengineerevm
About Oku
At Oku, we aim to close the gap between the CeFi and DeFi trading experiences. It is no mistake that 95% of crypto trading occurs on centralized platforms like Binance and Coinbase since their organizations have spent substantially more time and resources investing in their trading interface, while DeFi has primarily been focused on infrastructure and protocols for the last several years.
However, that is going to change soon. While CeFi organizations enjoy their Web2 stack, a Web3 company like Oku can leverage the composability of the DeFi ecosystem and blockchain technology to offer a high-quality trading experience that will eventually be indistinguishable from CeFi and, in the long run, overcome their legacy systems. That is why Oku has 50+ partners in or supporting the app.
Oku initially started as a project within GFX Labs after they received a $1.6M grant from the Uniswap Foundation in October 2022 to build and launch a reimagined trading interface, analytics platform, and API for Uniswap v3. After ten months of development, Oku launched in July 2023, and since then, Oku has supported the DAO Uniswap’s efforts to expand across new blockchains.
Today, our primary feature is our smart order routing system, which integrates 12+ order routing systems to ensure all users find the best price possible. We have also adapted our order routing technology to offer a bridge aggregator with 11+ integrated bridges. Most recently, to close the CeFi/DeFi gap further, we added on/off-ramping with USD and EURO to our interface at an industry-low fee of free! Our other popular features include trustless onchain limit orders built directly on Uniswap v3, our position manager page for users who want to manage their LP positions, and our Uniswap v3 analytics.
Over the coming years, Oku will be expanding the scope of our offering and improving the quality of our user experience.
Why work at Oku?
- Any firm can pay a high salary and offer good incentives (as will we), but most can’t offer interesting, challenging, and rewarding work.
- We have something to prove. Our team is young and hungry. We like to move fast and make things. We know when to double down and when to cut our losses. We are going to make mistakes, and we are going to build a better product because of them. We don’t micromanage or have a huge team of product managers. We want self starters who take charge and solve problems.
- We don’t care if you went to school, what grades you got, or your age. Show us what you have built, what problems you have solved, and what skills you have.
About the role
As a Web3 Frontend Engineer at Oku, you’ll be handling web3 data and functions to bring them neatly into Oku. You will work closely with the entire team, but particularly our product designers and the other frontend engineers.
Key Responsibilities
- Implement responsive user interfaces using React and other modern web tooling
- Write clean, maintainable code following team standards and best practices
- Collaborate with senior engineers to integrate wallet connectivity and on-chain interaction.
- Assist in testing and debugging
- Learn and apply blockchain development concepts to improve the user experience for users
You might be great for this role if you have
- Experience in Web3 frontend engineering.
- Personally use DeFi EVM protocols regularly.
- Attention to detail with excellent organizational and communication skills.
- Thrive in an environment where you have significant independence.
- You are proactive and driven by curiosity.
- You have a strong work ethic with disciplined execution skills.
- Keen to leverage AI to make you as productive as possible.
What you’ll do at Oku
- Develop top-tier user experiences with DeFi protocols across an array of blockchains
- Create smooth, pixel-fit experiences for customers
- Partner with design on UX strategy
- Build an engineering culture that attracts the most talented people to join us
We’d love to hear from you if…
- You love tackling ambitious projects with the ability to change DeFi as we know it
- You care about all aspects of customer experience
- You can see things from a high level, and e into the details with equal confidence
- You think DeFi can improve day-to-day financial tooling
… and you really care about these details
- You want to create brand new experiences
- You can operate autonomously
- You are pro-active and are driven by curiosity
- You can build robust systems on both web and native platforms
- You can handle complexity, but prefer simplicity
Tools we are using today
- React, Figma, Tailwind, Joita, React-Query
- Golang, NodeJS
- PostgreSQL, Temporal, NATS, Clickhouse
- Linear and Gitlab
- DigitalOcean, fly.io, Kubernetes, KNative, Pulumi, Terraform
- Claude Code and many more AI tools

crypto payengineerfull-timegolangprotocol engineer
Logos tech stack, a movement supporting the development of the decentralised web. Logos technologies lay the foundations for a freer internet upon which communities can evolve into network states. Each protocol in the Logos stack seeks to empower its users while upholding civil liberties and fundamental freedoms.
As a p2p messaging protocol, born from the original Web3 vision, Waku is a decentralised, censorship-resistant, privacy-preserving communication network that enables anyone to message, interact, collaborate, and coordinate without worrying about surveillance or deplatforming.
We are a cypherpunk group, looking for other builders to join a principle-first organisation and build truly decentralised software.
More about us:
- https://waku.org/
- https://github.com/waku-org/
- https://discord.waku.org/
- https://forum.vac.dev/
- Logos Manifesto
Responsibilities:
- Implement open protocols for peer-to-peer secure messaging.
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- Create and maintain a sustainable and fault-tolerant distributed system.
- Write and maintain Nim code (nwaku codebase).
- Understand and optimise the core functionality of complex software systems.
- Provide feedback on overall design decisions, and participate in code reviews.
- Use libp2p to build infrastructure-level protocols.
- Support platforms and operators using nwaku software.
Ideally, you have
- A passion for privacy-preserving, decentralised and blockchain technology.
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- Experience delivering native multi-platform SDKs for external developers.
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- Familiar with p2p building blocks such as gossiping, routing and discovery (DHTs), and Nat traversal.
Bonus points if you have experience in:
- Experience building networking-heavy applications and p2p networking specifically.
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- Experience with off-the-shelf networking stacks such as libp2p.
Compensation:
We are happy to pay in a mix of fiat and/or crypto. For more information regarding contributing to IFT: https://contributors.free.technology/
Hiring process:
- Introduction call with People Ops team
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- Interview with Waku lead
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.

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Launch your WordPress career at Melapress and help us build secure, high-impact products and a great web presence.
Would you like to turn your love for WordPress into production-ready code? Do you want to learn from senior engineers who maintain plugins that run on hundreds of thousands of sites? If so, we’d love to hear from you.
At Melapress, we develop security-focused plugins such as WP Activity Log and WP 2FA, and we run multiple in-house properties, including our own website – Melapress.com, on WordPress. We’re searching for a WordPress Plugins & Themes Developer with focus on DevOps to join our fully remote team and grow alongside our senior engineers.
About Melapress
Melapress is a remote software startup that develops several WordPress security, user management, and administration plugins. Our plugins are installed on more than 400,000 websites and help website administrators and managers improve the security of their websites and better manage them and their users.
What you will be doing
As a WordPress plugins & themes developer, you will:
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Skills and experience
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- Familiarity with WordPress hooks, actions & filters, REST API, and block editor basics.
- Comfortable with Git, command-line workflows, and local/staging environments.
- Experience building and working with RESTful APIs and handling JSON/XML and other data formats.
- Basic understanding of DevOps concepts (CI pipelines, Composer, WP-CLI, caching).
- Comfortable working in a remote team and capable of working independently.
- Strong communication skills and proficiency in English communication.
Nice to have…
- Recognized author profile in the WordPress space.
- Interest in web security, test automation, or performance profiling.
What we offer
- Competitive salary or rates based on experience.
- The opportunity to work on widely used WordPress security products.
- A small, friendly team where your contributions have a real impact.
- Opportunities to experiment with AI and other cutting-edge tools.
Salary and compensation
$20,000 — $40,000/yearBenefits
🌎 Distributed team
🏖 Paid time off
🏔 Company retreats
🖥 Home office budget
👀 No monitoring system
🚫 No politics at work

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✅ Full‑time position (part-time possible) | Fully remote | Long‑term contract
✅ Ready to hire immediately
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Own every written touch‑point that helps users succeed with Private.Ki:
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- Knowledge‑Base: deeper es into OPAQUE login, OpenPGP.js, threat models and security architecture.
- Blog & Social: catchy stories, release notes, Medium articles, X threads - anything that sparks curiosity about privacy tech.
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Must‑Have Responsibilities
- Translate complex crypto concepts into clear, engaging copy.
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- Deep use of AI to speed up your process.
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Nice‑to‑Haves
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- Hands‑on coding ability (you can read the repo and maybe fix a typo).
- Experience automating docs generation or building interactive tutorials.
- SEO fundamentals & analytics mindset.
- Basic video editing for quick explainer clips.
- Side‑projects or blog posts that prove you love teaching tech.
Working Conditions
- Fully remote & async‑friendly.
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- No monitoring software, no office politics - just ship great work.
Bonuses
- Distributed, inclusive team.
- Hardware stipend.
- Freedom to open‑source tooling you create along the way.
Sound good? Let’s chat. DM us on X (@PrivateKi) or drop a line to [email protected] - include links to anything you’ve written or built that shows you can write.
Please mention the word REJOICING when applying to show you read the job post completely (#RMzQuMzAuMTUwLjE0OA==). This is a feature to avoid fake spam applicants. Companies can search these words to find applicants that read this and instantly see they're human.Salary and compensation
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OP Labs is looking to hire a Security Engineer to join their team. This is a full-time position that is 100% remote with no geographical restrictions. Work remotely from anywhere.
We’re seeking a highly skilled Senior/Staff Backend Engineer passionate about solving complex problems and motivated to shape the MEV landscape on Monad with high-performance solutions. In this role, you will help design, build, and optimize MEV-related infrastructure, with a focus on block building, transaction ordering, and low-latency execution strategies etc. You’ll work on systems at the intersection of blockchain, trading, and networking, helping to advance the frontier of MEV innovation.
What You’ll Do
- Design and implement performance-critical backend systems for MEV infrastructure throughout the transaction lifecycle.
- Contribute to the development of infrastructure for validator-client integration, relay communication, and block propagation.
- Optimize code for latency, throughput, and reliability in adversarial network conditions.
- Stay informed about MEV developments in Ethereum, Solana, and other ecosystems
What We’re Looking For
- 4-10 years of backend programming experience with expertise in low-level languages like C++ and Rust (experience in both is a plus, but not required).
- Proven backend engineering experience in MEV infrastructure, trading/searching, or block-building organizations.
- Experience designing production-grade, low-latency, high-performance networking architecture and distributed systems.
- Proven track record of technical leadership and project ownership from start to finish.
- Ability to work autonomously in a fast-paced, collaborative remote environment with strong ownership.
Nice to Have
- Familiarity with blockchain internals and validator client behavior.
- Contributions to open-source MEV infra or tooling projects.
- Experience in performance tuning and networking stack optimization.
- HFT experience.
- Academic background from a top-tier university and/or experience at a well-regarded technology company
Why Join Us
Work at the frontier of crypto and DeFi infrastructure Join a tight-knit, low-ego team with deep technical chops Competitive compensation, bonus and token upside Fully remote, flexible work culture

awsdeveloperdjangonext.jsnode.js
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
- 4+ years of software development experience.
- 3+ years of commercial experience with React.js, Ruby, and Ruby on Rails.
- Experience with Next.js is a strong plus.
Senior React & Python Position
- 4+ years of software development experience.
- 3+ years of commercial experience with React.js and Python.
- Experience with AWS, GCP, or Azure is required.
- Experience with Next.js, Node.js, Django, TypeScript, or AI is a strong plus.
Senior Node & React Position
- 5+ years of software development experience.
- 5+ years of commercial experience with React.js and Node.js.
- Experience with Next.js, TypeScript, AWS, and Supabase is required.
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 multiple projects available for Senior Developers. If you have 4+ years of commercial software development experience and are proficient in any of the following areas — AI Engineering, UI/UX Design, Python & LLM, React Native & Node, Blockchain, WordPress & Figma, Svelte & TypeScript, Svelte & Node, Svelte & Python, or Shopify & JavaScript — we’d be happy to connect and match you with a suitable project.
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.
Updated about 18 hours ago
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