Javascript Jobs
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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 71 countries. We have several open positions for Full-Stack React.js Developers - please see the details below. We also have some backend positions; the full list is included below as well. Requirements for the Senior React & Python Position: 4+ years of software development experience Commercial experience: React.js 3+ years and Python 3+ years OR React.js 2+ years and Python 5+ years OR React.js 5+ years and Python 2+ years Experience with AWS, GCP, or Azure is required Requirements for the Senior Python Position: 5+ years of software development experience 5+ years of commercial experience with Python 3+ years of commercial experience with Flask Requirements for the Senior Golang & React Position: 4+ years of software development experience React.js 3+ years and Golang 3+ years OR React.js 2+ years and Golang 5+ years OR React.js 5+ years and Golang 2+ years Requirements for the Senior Golang Position: 5+ years of software development experience 5+ years of commercial experience with Golang 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: React & Node, React & Ruby, PHP & Angular, PHP & Vue, Vue & Node.js, React & .NET, Android & iOS, Angular & .NET, Angular & Node.js, Vue & .NET, Python & Vue, MLOps, React & Java, Data Science, Blockchain (Web3/Solidity/Solana), Symfony & React, Symfony & Vue, Symfony & Angular, Symfony & JavaScript & Next.js & TypeScript, Data Analysis, React & PHP, Data Engineering, AI Engineering, Data Annotation, DevOps, Svelte & Python, Svelte & Node, Svelte & TypeScript, Rust, Shopify & JavaScript, Vue & Nuxt, Python & Node, Angular & TypeScript, Ruby & Ruby on Rails, React Native & Ruby, React Native & Python, PHP & Laravel, .NET & C#, Java & Spring, Unreal Engine & C++, Python & LLM, Unity, Machine Learning Engineering — 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 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 71+ countries in different regions: Europe, LATAM, the U.S (if you are an owner of W-9 ben form), Canada, Asia (Japan, Singapore, South Korea, 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: Hungary, 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. Do you represent a company with engineers who match the description and want to collaborate with us through staff augmentation? Then register here.
Kraken
5 days ago
## Building the Future of Crypto Our Krakenites are a world-class team with crypto conviction, united by our desire to discover and unlock the potential of crypto and blockchain technology. **What makes us different?** Kraken is a mission-focused company rooted in crypto values. As a Krakenite, you’ll join us on our mission to accelerate the global adoption of crypto, so that everyone can achieve financial freedom and inclusion. For over a decade, Kraken’s focus on our mission and crypto ethos has attracted many of the most talented crypto experts in the world. Before you apply, please read the Kraken Culture page to learn more about our internal culture, values, and mission. We also expect candidates to familiarize themselves with the Kraken app. Learn how to create a Kraken account here. As a fully remote company, we have Krakenites in 70+ countries who speak over 50 languages. Krakenites are industry pioneers who develop premium crypto products for experienced traders, institutions, and newcomers to the space. Kraken is committed to industry-leading security, crypto education, and world-class client support through our products like Kraken Pro, Desktop, Wallet, and Kraken Futures. **Become a Krakenite and build the future of crypto!** ## Proof of work ## The team We’re hiring a **Senior Automation Engineer** to build and scale the internal automation engine that powers Kraken’s operational backbone. This is a hands-on role for someone who operates like a systems engineer and a business partner in equal measure—someone who can architect workflows, eliminate operational inefficiencies, and rapidly ship automations that unlock leverage across every function. This role sits within **Business Operations** and is designed to complement and extend the enterprise automation portfolio, focused on process, systems, automation, and workflow orchestration. This role will serve as an automation counterpart, embedding deeply across teams to solve operational friction with technical rigor. You will own Kraken’s internal **n8n implementation**—including initial deployment, scaling, workflow development, and long-term governance—and build resilient automations across teams. You should thrive in ambiguous, 0→1 environments and be comfortable freelancing across functions to find and solve problems before they become big rocks. ## The opportunity - Architect and own Kraken’s automation platform, with hands-on development in n8n and complementary no-code/low-code tooling - Design and implement end-to-end workflow automations spanning Finance, Compliance, Product, Operations, Engineering, Support, and more - Identify operational inefficiencies and build scalable automations that remove manual work and reduce errors - Build both code and no-code automations, selecting the right approach based on complexity and long-term durability - Partner closely with Business Operations to deliver quick-win automations while broader engineering teams focus on larger enterprise initiatives - Integrate internal and external systems, stitching together APIs, data sources, and tools into unified automated workflows - Establish workflow standards, best practices, and monitoring frameworks to ensure long-term stability and observability - Operate with high autonomy, moving from idea → scoping → design → build → test → deploy with minimal oversight - Partner with leaders across the company to identify and execute high-impact automation opportunities - Contribute to Kraken’s enterprise automation roadmap, informing future tooling and architectural decisions ## Skills you should HODL - Strong systems engineering background with experience architecting internal tooling or automation platforms - Deep fluency with n8n (or equivalent workflow orchestration tools: Zapier, Make.com, Airflow, Prefect, Temporal) - Experience operating in startup or 0→1 environments, comfortable building structure where none exists - Strong understanding of business processes and the ability to translate them into scalable technical workflows - Proven ability to own problems end-to-end: discovery, scoping, technical design, implementation, QA, rollout, and maintenance - Ability to work across code and no-code ecosystems, selecting the right tool for speed and long-term maintainability - Experience integrating APIs, internal tools, third-party systems, and databases into automated workflows - High ownership mindset and bias toward action—proactively finds inefficiencies and solves them - Strong collaboration skills across Product, Engineering, Finance, Compliance, Data, and BizOps - Communicates clearly with both technical and non-technical stakeholders ## Nice to haves - Experience scaling automation platforms in high-growth or regulated environments - Familiarity with data engineering or orchestration tooling (for cross-team workflows) - Exposure to crypto, fintech, or other fast-paced operational domains - Experience contributing to enterprise automation or systems transformation programs *Unless a specific application deadline is stated in the job posting, applications are accepted on an ongoing basis.* *Please note, applicants are permitted to redact or remove information on their resume that identifies age, date of birth, or dates of attendance at or graduation from an educational institution.* *We consider qualified applicants with criminal histories for employment on our team, assessing candidates in a manner consistent with the requirements of the San Francisco Fair Chance Ordinance.* Kraken is powered by people from around the world and we celebrate all Krakenites for their diverse talents, backgrounds, contributions and unique perspectives. We hire strictly based on merit, meaning we seek out the candidates with the right abilities, knowledge, and skills considered the most suitable for the job. We encourage you to apply for roles where you don't fully meet the listed requirements, especially if you're passionate or knowledgable about crypto! We may ask candidates to complete job-related skills or work-related tasks. As an equal opportunity employer, we don’t tolerate discrimination or harassment of any kind. Whether that’s based on race, ethnicity, age, gender identity, citizenship, religion, sexual orientation, disability, pregnancy, veteran status or any other protected characteristic as outlined by federal, state or local laws. **Stay in the know** Follow us on Twitter Learn on the Kraken Blog Connect on LinkedIn Candidate Privacy Notice When applying, mention the word CANDYSHOP to show you read the job post completely.
Golfiuns
5 days ago
## Senior Frontend Engineer We are looking for a **Senior Frontend Engineer** to lead the development of high-performance, scalable, and user-centric web applications. You will be responsible for designing frontend architecture, building complex UI systems, and delivering exceptional user experiences across modern web and Web3 products. You will work with modern technologies such as React, Next.js, and TypeScript-based frontend stacks. ### Key Responsibilities * Develop and maintain scalable frontend applications * Design and implement complex UI/UX features * Own and evolve frontend architecture and best practices * Collaborate closely with backend engineers, designers, and product teams * Optimize application performance, scalability, and UX * Write clean, maintainable, and well-tested code * Lead code reviews and mentor junior and mid-level engineers * Integrate REST and/or GraphQL APIs * (Optional Web3) Build and integrate blockchain-based features such as wallets, on-chain data, and dApps ### Requirements * 5+ years of frontend development experience * Strong proficiency in JavaScript / TypeScript * Deep expertise in modern frameworks such as React and Next.js * Strong understanding of HTML, CSS, and responsive design principles * Experience with state management solutions (Redux, Zustand, etc.) * Solid understanding of frontend architecture and performance optimization * Experience working with REST APIs and/or GraphQL * Ability to make technical decisions and mentor other engineers **Contact Us:** Email - contact@golfiuns.biz / Telegram - @golfiuns *When applying, mention the word **CANDYSHOP** to show you read the job post completely.*
7 days ago
# Software Engineer, Mid-level (L2), GeckoTerminal **Location:** Malaysia **Department:** Engineering – Software Engineering **Commitment:** Full-time **Workplace Type:** Remote ## About CoinGecko CoinGecko is a global leader in tracking cryptocurrency data. Operating since 2014, CoinGecko has built the world's largest cryptocurrency data platform, tracking over 10,000 tokens across more than 400 exchanges, serving over 300 million page views in more than 100 countries, and handling more than 45 billion API calls every month. We are proud to have played a major part in mainstream awareness, adoption, and education of cryptocurrency globally. We at CoinGecko believe that cryptocurrency and blockchain will define the future of finance, bringing greater financial and economic freedom around the world. In anticipation of that future, CoinGecko is building the foundation to scale cryptocurrency market data to serve billions. **We practice transparent salaries and a level structure at CoinGecko:** * The salary for this position is RM12,053 - RM 13,258. * Learn more about our level structure at CoinGecko's Career Progression. ## What You Will Be Doing * **Web Design & Development:** Design and develop backend and frontend features for GeckoTerminal, our DEX tracker that processes and presents on-chain trading data, token analytics, and DeFi metrics to millions of users. Execute full software development lifecycles based on the department's strategy. * **Software Development:** Write clean, reusable and maintainable code and libraries. Develop and push code into the production environment effectively. Apply clear understanding of fundamentals and best practices in technical skills including code quality, integrating tools and dependencies and extending the code base. Keep source code and dependencies up-to-date. * **Maintenance & Reliability:** Participate in bug rotation and pagerduty to maintain application health. Assist with infrastructure and database management tasks. * **Data Syncing:** Build and maintain background jobs to sync data from third-party services and blockchain RPCs. * **Code Reviews:** Conduct code reviews. Propose, implement and uphold best practices in code for your immediate team and projects, and contribute to technical debt initiatives. Be well-versed in reading code, detecting code smells and escalating potential defects that may arise. * **Documentation:** Write concise and coherent documentation. Contribute to team knowledge base and resources, and keep them up-to-date. * **Defect Recovery:** Replicate defects, provide insights from code implementation, and resolve the issues according to team objectives. Work closely with QA and other teams. * **Sharpen the Saw:** Stay up-to-date with emerging trends and technologies in software development and contribute to knowledge sharing. Learn advanced programming techniques or new tools that improve the team’s code base and productivity. Demonstrate thorough understanding of a subject matter and how to apply it effectively. * **Team Player:** Work collaboratively with engineers, product managers and designers to deliver in a timely and effective manner. Answer technical questions from other departments or outside the organization related to features that are being worked on/assigned. * **Coaching:** Mentor interns and junior software engineers, or contribute to communities, user groups and open-source projects. * Support any ad hoc tasks as required by the company. ## What We Look For In You * **Proven Track Record:** Have 1-3 years of software development experience or similar roles in Agile teams, and have shipped high quality, scalable apps in production. * **Education:** Have a Bachelor’s degree in Computer Science, Software Engineering or related fields, or relevant professional-level certifications. * **Product Knowledge:** User of CoinGecko products and demonstrates some understanding in finance, blockchain or cryptocurrencies. * **Blockchain Familiarity:** Understanding of blockchain concepts such as on-chain data, token standards (e.g. ERC-20), or DeFi protocols. Direct experience building or contributing to crypto products is a strong plus. * **Web Development Knowledge:** Demonstrate proficiency in programming languages and write high quality, well-tested code. Proficient with front-end and back-end development and simple deployment tools. Keen attention to design details. Prior experience delivering in Agile/SCRUM. * **People Skills:** Communicates clearly and have experience working with other individuals in a team towards achieving a common goal. * **Leadership:** Self-motivated and able to work independently with minimal supervision. Contributes to existing projects & workflows to improve team productivity. * **Scope of Work:** Work mostly on clearly defined and scoped individual features or problems of moderate scope independently within guidelines set. Make reliable estimates on time and complexity of your own work. * **Problem Solving:** Passionate about solving problems faced by stakeholders together with strong user empathy. * **Nice to Have:** * Working knowledge in Ruby, Rails, Javascript, Postgres, Redis, Clickhouse and cloud services. ## Perks at CoinGecko * **Remote Work Flexibility:** Work wherever you feel most productive. We also provide office space in 1Powerhouse (Malaysia) and WeWork (Singapore) if you ever feel like meeting your colleagues in person. * **Comprehensive Insurance Coverage:** We provide life and hospitalization coverage for you, along with hospitalization coverage for your dependents. * **Virtual Share Options:** You'll be entitled to virtual options, with terms and conditions. * **Bonus:** You’ll be entitled to a bonus, with terms and conditions. * **Parking Allowance:** Allocated on a claim basis to ease the cost of travelling. * **Meal Allowance:** You will be given a monthly fixed allowance of RM600 or SGD400 to subsidize the cost of your meals.
Sanctuary Computer
7 days ago
We are hiring a contract-based Senior Frontend Developer for the garden3d creative collective with a focus on LATAM & Asia candidates. This job posting here in Remotive is for sharing purposes only and does not serve as the direct application for the role. To be considered, please complete our application form here to apply Original job posting link 🌎About garden3d We are worker owned creative collective, innovating on everything from brands and IRL communities to IoT devices and cross platform apps. We share profit, open source everything, spin out new businesses, and invest in exciting ideas through financial and/or in-kind contributions. Our client roster includes Google, Stripe, Figma, Hinge, Black Socialists in America, ACLU, Pratt, Parsons, Mozilla, The Nobel Prize, MIT, Gnosis, Etsy & Gagosian. We’re the software team behind innovative products like The Light Phone & Mill, and we operate a global, decentralized community space collective called Index Space. We think of our garden3d as collective for creative people, prioritizing a happy, talented, and diverse studio culture. We work on projects that bring value to our world, and we balance deep care for the work we do with a genuine curiosity about life outside of our jobs. 🔮 Who we’re looking for: We're looking for a Senior Frontend Developer who excels at building pixel-perfect websites using modern frontend frameworks. You'll collaborate with our team to build elegant, performant, and visually stunning web experiences. Your work will span a diverse range of client projects, from immersive brand websites to complex web applications, all requiring a keen eye for detail and technical excellence. This hiring effort will focus on Front-End Developers based in the LATAM or ASIA. In this role, you’ll work on a variety of client projects to find cost-effective, high-quality, pragmatic solutions to complex problems. Responsibilities will include: Collaborating with Technical Lead to meet clients' development needs Building and maintaining high-performance web applications with modern frontend frameworks and tools Implementing responsive, accessible, and pixel-perfect user interfaces based on design specifications Integrating frontend applications with headless CMS platforms, APIs, and third-party services Optimizing application performance, including bundle size, load times, and runtime efficiency Architecting scalable component libraries and design systems for consistency across projects Writing clear documentation for code maintenance and usage Participating in project team meetings, including Sprint Planning, daily standups, and retrospectives Participating in code reviews, providing constructive feedback to teammates and ensuring adherence to best practices The person we’re looking for is happy, relaxed and easy to get along with. They’re flexible on anything except conceits that will lower their usually outstanding work quality. They work “smart”, by carefully managing their workflow and staggering features that have dependencies intelligently — they prefer deep work but are OK coming up to the surface now and then for top level / strategic conversations. We believe people with backgrounds or interests in design, art, music, food or fashion tend to have a well rounded sense of design & quality — so a variety of hobbies or side projects is a big nice to have! Must Have Competencies: We’re always pitching for new and exciting technology niches. Some of the areas below are relevant to us! 8+ years writing highly performant frontend code, an obsession for 95+ Lighthouse scores Expert level experience with Typescript, and one of Next.js, Nuxt, Svelte, Vue Extensive experience with headless CMS like Sanity, Contentful, Prismic or more Fluency in industry standard PaaS like Vercel, Netlify, Firebase, etc Fluency in eCommerce technologies like Shopify (headless & liquid), Stripe, Swell and others Experience building accessible, responsive interfaces with attention to performance optimization and SEO best practices Strong understanding of modern CSS methodologies (Tailwind, CSS Modules, etc) and animation libraries Experience with state management solutions (Redux, Zustand, Pinia) and API integration patterns Proficiency with testing frameworks (Jest, Playwright, Cypress) and commitment to writing maintainable, well-documented code Experience with design systems and component libraries, working closely with designers to ensure pixel-perfect implementations Real-time & performance optimization: experience with WebSockets for live data updates, caching strategies (Redis, CDN-level caching), CDN configuration and optimization (Cloudflare, Fastly), and image optimization techniques including proxies and delivery networks Nice to Have Competencies: We’re always pitching for new and exciting technology niches. Some of the areas below are relevant to us! WebGL & Canvas expertise: experience building interactive graphics, animations, and visualizations using WebGL, Three.js, or native Canvas API Data visualization: creating compelling, interactive data visualizations with libraries like Mapbox, D3.js, Chart.js, or similar tools Full-stack development experience: comfortable working across the entire stack, from frontend to backend and database layers PostgreSQL expertise: strong experience with database design, query optimization, and managing complex relational data structures GraphQL & API design: building and maintaining GraphQL or REST APIs with a focus on performance and developer experience Real-time technologies: experience with WebSockets, Server-Sent Events, or similar technologies for building live, interactive features Authentication & security: implementing secure authentication flows (OAuth, JWT) and following security best practices Client-facing experience: working directly with customers to gather requirements and provide technical solutions Product management experience: defining product roadmaps and collaborating closely with stakeholders Engineering management experience: leading teams, setting technical direction, and mentoring developers 💸 Compensation Our pay scale ranges from $35p/hr to $95p/hr pending seniority (& team leadership experience), and our projects are rarely less than 8 full time weeks at 40 hours per week. We prefer long standing relationships with highly accountable and communicative team members, so we encourage candidates to expect longer term engagements. 🎤 How we interview: Our interview process starts with a call where you get to meet a few members of our team. From there we’ll ask appropriate candidates to take part in a technical exercise which helps illustrate skill level and comfort. 👩🏭 How we work: We believe that there’s a better balance between the poles of freelancing & full time, and for that reason Sanctuary works differently to most shops: Transparency & Ownership: We release out Profit & Loss statements to the community each year, open source our best ideas, and talk business & money with everyone in the company. We’re proud to run our business with integrity, and for that reason we share everything with our team & community. 150% Carbon Negative: Our studio offsets 150% of the carbon we use to do business each year, dated back to our founding in 2015. We turn down work that is not in-line with our morals, and we encourage our peers to do the same. We have been certified climate neutral since 2021. Strong Morals: Since our founding, we've turned down somewhere between $1mm - $2mm of work that didn't meet our moral standards. (Most of that was DTC brands that can't show a valid sustainability initiative). Async & Decentralized: We use tools optimized for calm, thoughtful communication, and opt for async whenever possible. We fight hard to maintain our focus time. Remote Friendly: Our company is fluent in remote work, making our workplace more decentralized, and democratized in the process. Ideas & Products: In our spare studio time, we work to build our own open source or internal products to diversify & bolster our income. We create amazing technology products for our clients, so why not for the studio? → Read more on our Substack, over here, or our Medium, over there.
SwapRail
9 days ago
## Responsibilities - Integrate major Web3 wallets (e.g., MetaMask, WalletConnect, Coinbase Wallet) across web and mobile environments - Design and implement secure transaction signing pipelines (EIP-1559, EIP-712, typed data, permit flows) - Build robust wallet connection systems, including session persistence, reconnection, and multi-account handling - Implement transaction building logic, including calldata construction, batching, and multi-step execution flows - Develop gas estimation, fee optimization, and fallback strategies across different networks - Handle edge cases such as nonce management, transaction replacement (speed up / cancel), and re-org scenarios - Collaborate with backend teams on routing, simulation, and execution layers - Work closely with frontend teams to ensure seamless UX for wallet interactions and transaction confirmations - Ensure high security standards in key handling, signing flows, and user interaction surfaces ## Requirements - Strong proficiency in JavaScript / TypeScript - Hands-on experience with Web3 libraries (ethers.js, viem, web3.js) - Deep understanding of EVM transaction lifecycle and structure - Experience implementing wallet connection and signing flows in production - Familiarity with RPC providers, node inconsistencies, and network reliability issues - Experience building or contributing to Web3 applications (DEX, wallet, aggregator, etc.) ## Nice to Have - Experience with multi-chain environments (Ethereum, Arbitrum, BSC, Polygon, etc.) - Familiarity with account abstraction (ERC-4337) - Experience with smart contract interaction patterns (multicall, proxy, upgradeable contracts) - Understanding of MEV, slippage, and transaction execution risks - Experience working on DeFi protocols or trading-related products *When applying, mention the word **CANDYSHOP** to show you read the job post completely.*
13 days ago
# Fullstack Engineer - Monetisation **Location:** United Kingdom - Remote / Poland - Remote / South Africa - Remote / Spain - Remote / Portugal - Remote / Romania - Remote **Department:** Engineering – Software Engineering **Workplace Type:** Remote ## About MoonPay Hi, we’re MoonPay. We’re here to onboard the world to the decentralized economy by making digital money move as universally and effortlessly as the internet. **Why?** Because crypto, stablecoins and blockchain aren’t just technologies. They’re tools for global financial empowerment. They give people and businesses more control over their money, their digital assets, and their future, opening access to legacy financial systems that have been out of reach for many. **What we do** MoonPay is a unified payments platform for digital currency. We make it easy for anyone, anywhere, to buy, sell, swap and pay in digital currencies as easy as sending an email. That simplicity is intentional, our focus is reducing complexity so people can participate confidently, without needing to be crypto experts. We power the entire flow between fiat and crypto end to end, with compliance, identity checks, fraud prevention, and settlement all built in. This end-to-end approach reflects how we work internally: with accountability, rigor, and trust built into everything we ship. **Proven at scale** Trusted by over 30 million customers and over 500 ecosystem partners, our secure, enterprise-grade platform is driving mainstream crypto adoption worldwide. Behind those numbers are millions of real people and organizations relying on MoonPay every day. We collaborate with innovative brands and projects to build secure, scalable solutions for a blockchain-powered future. This is an opportunity to help shape systems, not just scale them. And we’re committed to doing it right. Fully licensed in the U.S. and regulated across the UK, EU, Canada, and Australia, because trust and compliance are non-negotiable. But we’re just getting started. We’ve launched a consumer app that makes crypto accessible, intuitive, and usable for everyone, and it’s growing fast. We’re iterating every day to make it the best it can be. If you believe financial freedom should be for everyone. If you believe in building a fairer, more open financial system - we want you with us. To build systems that benefit all, we need contributions from all, regardless of background. Come build the future of payments and the decentralized economy with MoonPay. Let’s make financial freedom and autonomy the new normal. ## 🌍 Locations Supported This role can be performed remotely from the **United Kingdom, Poland, South Africa, Spain, Portugal, or Romania**. Unfortunately we do not offer business to business contracting arrangements. ## 🌔 About the Opportunity Our engineering discipline builds the technology that enables MoonPay to learn quickly and scale easily. We currently have squads across Crypto / Payments / KYC / Core Product and others. We're pragmatic and believe in having a fluid structure; this means people can find opportunities in different domains or go deeper into a particular domain. ## 🚀 What you will do - Architect and develop new and existing products and features on monetization. - Work with the head of monetization, other data scientists, and engineers to implement new experimentation and algorithmic pricing features across RAMPs, DeFi Trading, and Swaps. - Collaborate with other product teams to deliver and improve customer-facing features. - Contribute to the estimations, planning, and execution of projects, features, and integrations. - Integrate and work closely with external service providers that we use to power our services. - Maintain and improve our existing codebase. - Write fully tested, high-quality, performant code. ## 💻 What you will be working with/on - Typescript as our programming language of choice - Node.js as our backend platform - Google Cloud Platform to host our services - Git/GitHub for code collaboration - Launch Darkly for feature flags and experimentation - DataDog for logs, real-time alerting and monitoring - Argo CD for deployments - Redis for caching - React as our web frontend - Big bonus points if you also have some working experience with React Native - GenAI tools such as Cursor ## 🧑🚀 About You - Extensive full-stack engineering experience at leading startups or fast-growing tech companies, ideally from marketplace or platform-type businesses where algorithmic pricing and AB testing were heavily used. - Experience working on projects involving pricing, promotions, rewards, and/or loyalty programs with backend and frontend technologies. - Experience building experimentation platforms and infrastructure for algorithmic pricing solutions, and know how to leverage continuous delivery for it. - Confident in developing, releasing and maintaining server applications in a fast paced, iterative environment where we work as a team, and not in silos. - Experience with our tech stack, or confident you can cross-train and up-skill quickly. - Deep understanding of database structures and system design. - Cloud native experience with Google Cloud or similar (e.g. AWS, Azure). - Bonus points if you make open-source contributions or have experience in Web3.
Ondo Finance
16 days ago
## QA Engineer, Web / Frontend **Location:** Remote (US) **Department:** Software Engineering **Work Type:** Remote **Employment Type:** Full-time --- ### About the company Hi, we're **Ondo Finance**. Our mission is to provide institutional-grade, blockchain-enabled investment products and services. We have both a technology arm that develops decentralized finance technology, and an asset management arm that creates and manages tokenized funds. We are the global leader in tokenized treasuries, tokenized stocks and ETFs, and are building the future of institutional-grade financial services onchain. Founded by folks from Goldman Sachs Digital Assets Team, we’re backed by some of the best investors in the world including Founders Fund, Coinbase Ventures, Pantera Capital, Tiger Global, and more. We are currently the leaders in the space in terms of AUM and are well capitalized to continue growing the firm. We're fully remote, with team members across the U.S. ### About the role We’re hiring a **QA Engineer** to own quality across our web and frontend product experience. This is a high-impact role for someone who wants to do more than just test features. You’ll help define how quality works across the team, build the systems that catch issues before users do, and raise the bar for reliability as we scale. This role sits at the center of a platform serving institutional investors and retail users across complex, high-stakes product surfaces, including perps, portfolio experiences, and other workflows that drive significant user and transaction volume. You’ll work closely with product, design, and engineering to test and automate critical user flows across our frontend stack, with a focus on Next.js, Playwright, Jest, and Percy. ### Responsibilities - Own QA for web and frontend experiences end to end - Build and maintain automated test coverage across critical user journeys - Create reliable testing workflows using Playwright, Jest, and Percy - Help ensure quality across products used by both institutional and retail customers - Test complex frontend flows tied to perps, portfolio management, and other high-volume product experiences - Catch regressions early and improve release confidence - Partner closely with engineers to improve quality throughout development, not just before launch - Help establish the foundations, tooling, and process for QA as the company grows ### Requirements - Strong experience testing modern web applications - Hands-on experience with Next.js, Playwright, Jest, and visual regression testing - A high-ownership mindset and strong product judgment - Comfort working in a fast-moving startup environment with ambiguous problems - Ability to think clearly about quality in systems that are complex, high-traffic, and user-critical - Clear communicator who can drive bugs to resolution and improve team habits around quality ### Nice to haves - Experience automating web3 flows like wallet connections, signing, and transactions ### What we offer - Competitive compensation including but not limited to salary, future token rights, and/or equity (according to your preferences) — We are well-funded and believe that great talent deserves great compensation. - Full benefits (medical, vision, and dental) and flexible vacation policy (PTO). - Remote-first team across many countries — You will be an early team member helping shape our vision, culture, and design practices. - A+ colleagues — Our team includes alumni from: Goldman Sachs, Blackrock, Two Sigma, Bridgewater, SpaceX, AWS, Meta, Google, McKinsey, Circle, Uniswap. - Best-in-class investors — We are proud to be backed by leading crypto experts and VCs, including Pantera Capital, Founders Fund and Coinbase Ventures. --- **Req ID:** R62 *When applying, mention the word CANDYSHOP to show you read the job post completely.*
Ellipsis Labs
18 days ago
## Location New York, New York ## Employment Type Full time ## Location Type Hybrid ## Department Engineering ## Compensation - $150K – $200K • Offers Equity ## Job Overview Ellipsis Labs is a profitable, venture-backed New York-based startup building sustainable and efficient DeFi protocols on high-throughput decentralized infrastructure. Our long-term goal is to build a better financial system. Our flagship product, Phoenix Perpetuals, brings professional-grade perpetual futures to Solana. Building on our experience developing efficient markets, Ellipsis Labs also operates SolFi, a proprietary automated market maker that provides efficient liquidity for key trading pairs. Our foundational product, Phoenix Legacy, is a limit order book on the Solana blockchain that established our expertise in operating high-performance markets. Combined, these products have facilitated over $285B in trading volume across Solana markets. **All roles are in the Ellipsis Labs office in New York City.** Ellipsis Labs is seeking 2027 software engineering new grads to join our team. As an early-stage startup, we appreciate bright generalists who can iterate and ship quickly. In this role, you will: - Build real product features and/or platform components across the stack, front end, back end, infra, or on-chain, based on your skills and interest - Own scoped projects end-to-end: problem definition → design → implementation → testing → deployment → monitoring - Collaborate with design and engineering to deliver fast, reliable, and secure experiences - Instrument and improve performance, reliability, and observability; write clear tests and documentation ## Qualifications ### Required - Hands-on experience building software (courses, personal projects, research, or internships) in one or more languages such as TypeScript/JavaScript, Python, Rust, Java, C/C++; you write clear, tested code - Solid CS fundamentals (data structures, algorithms, systems thinking) and familiarity with Git and basic debugging - Ability to make informed trade-offs with business context; high agency and a team-first mindset - Curiosity about DeFi/crypto (prior domain experience not required) ### Preferred - Experience in one or more areas: full-stack web (React/Javascript), backend APIs/services, infrastructure/DevOps (Docker, CI/CD, cloud), or on-chain/low-level systems - Familiarity with blockchain technology (Solana a plus) - Interest or experience in fintech/trading - Rust or TypeScript proficiency **Compensation Range: $150K - $200K** *When applying, mention the word CANDYSHOP to show you read the job post completely.*
Ellipsis Labs
19 days ago
## About Ellipsis Labs Ellipsis Labs is a profitable, venture-backed New York-based startup building sustainable and efficient DeFi protocols on high-throughput decentralized infrastructure. Our long-term goal is to build a better financial system. Our flagship product, **Phoenix Perpetuals**, brings professional-grade perpetual futures to Solana. Building on our experience developing efficient markets, Ellipsis Labs also operates **SolFi**, a proprietary automated market maker that provides efficient liquidity for key trading pairs. Our foundational product, **Phoenix Legacy**, is a limit order book on the Solana blockchain that established our expertise in operating high-performance markets. Combined, these products have facilitated over **$285B** in trading volume across Solana markets. **All roles are in the Ellipsis Labs office in New York City.** ## Software Engineering Summer Intern (2027) Ellipsis Labs is seeking software engineering summer interns to join our team in 2027. As an early-stage startup, we appreciate bright generalists who can iterate and ship quickly. ### In this role, you will: - Build real product features and/or platform components across the stack—front end, back end, infra, or on-chain—based on your skills and interest. - Own scoped projects end-to-end: problem definition → design → implementation → testing → deployment → monitoring. - Collaborate with design and engineering to deliver fast, reliable, and secure experiences. - Instrument and improve performance, reliability, and observability; write clear tests and documentation. ### Qualifications #### Required - Hands-on experience building software (courses, personal projects, research, or internships) in one or more languages such as TypeScript/JavaScript, Python, Rust, Java, C/C++; you write clear, tested code. - Solid CS fundamentals (data structures, algorithms, systems thinking) and familiarity with Git and basic debugging. - Ability to make informed trade-offs with business context; high agency and a team-first mindset. - Curiosity about DeFi/crypto (prior domain experience not required). #### Preferred - Experience in one or more areas: full-stack web (React/Javascript), backend APIs/services, infrastructure/DevOps (Docker, CI/CD, cloud), or on-chain/low-level systems. - Familiarity with blockchain technology (Solana a plus). - Interest or experience in fintech/trading. - Rust or TypeScript proficiency. *When applying, mention the word **CANDYSHOP** to show you read the job post completely.*