¿Te apasionan las criptomonedas y el blockchain, y tienes lo necesario para destacar como Developer?

• YoutHNesT es la primera criptomoneda social que combina el poder de las memecoins con un propósito transformador: ayudar a los jóvenes a conseguir su primera vivienda. Con un concepto innovador y un enorme potencial de crecimiento, este proyecto promete no solo cambiar vidas, sino también convertirse en un referente en el mundo cripto. ¿Estás list@ para unirte a esta revolución financiera y social?
• Buscamos talento apasionado para cubrir el puesto de Developer en YoutHNesT
• Si te interesa ser parte de un proyecto innovador con impacto social, envíanos tu candidatura. ¡Juntos, estamos cambiando el futuro del acceso a la vivienda para los jóvenes!

Tareas

Tareas del Developer YoutHNesT:

• Desarrollo y Mantenimiento de la Web
• Integración Web3 & Plataforma
• Desarrollo Blockchain y Smart Contracts
• Backend y Base de Datos
• Seguridad y Optimización
• Soporte y Actualizaciones

Requisitos

Buscamos un perfil con visión y ambición para liderar, desde su ámbito, el crecimiento de YoutHNesT, la primera criptomoneda de su clase con un fuerte enfoque social. Este es un proyecto disruptivo en plena fase de expansión, donde el compromiso y la confianza serán clave. Ofrecemos una oportunidad única: trabajar a éxito a corto/medio plazo, con la garantía de que el riesgo será recompensado con una compensación altamente atractiva y proporcional al éxito alcanzado. ¿Te animas a asumir este reto y a cosechar los frutos de un proyecto con gran potencial?

Requisitos y habilidades necsarias:

• Experiencia en desarrollo blockchain: 2+ años trabajando con Solidity y contratos inteligentes (ERC-20, vesting, oráculos).
• Experiencia en Web3: Dominio de Web3.js, Ethers.js y conexión de DApps con la blockchain.
• Desarrollo Full-Stack: Experiencia con React, Next.js o Vue.js en el frontend, y Node.js, Python o PHP en el backend.
• Seguridad Blockchain & Web: Conocimiento de auditoría de smart contracts (Reentrancy, Overflows, Flash Loans) y ciberseguridad web (DDoS, CSRF, XSS).
• Experiencia en APIs y servicios Web3: Integración con MetaMask, WalletConnect, y uso de APIs como Etherscan, Chainlink, The Graph.
• Experiencia con Git & metodologías ágiles: Trabajo con GitHub/GitLab y conocimiento de Scrum/Kanban.
• Idiomas necesarios: Nivel fluido de inglés y español

Beneficios

Beneficios de trabajar en YoutHNesT

• Oportunidad de crecimiento en una startup innovadora con un enfoque disruptivo en el sector blockchain y criptomonedas.

• Participación en un proyecto con impacto social, ayudando a los jóvenes a acceder a su primera vivienda.

• Trabajo remoto con flexibilidad horaria, lo que permite equilibrar vida personal y profesional.

• Alta Remuneración, con posibilidad de participar en el éxito del proyecto a través de equity o tokens.

• Ambiente dinámico y colaborativo, con un equipo comprometido en una misión de largo alcance.

• Desarrollo profesional continuo, con oportunidades de formación y networking en el ecosistema cripto.

• Si estás list@ para formar parte de un equipo que revolucionará el mundo de las criptomonedas y generar un cambio social real, ayudando a las nuevas generaciones a cumplir el sueño de su primera vivienda, ¡queremos conocerte! En YoutHNesT, valoramos el talento, la innovación y la pasión por dejar huella. Si compartes nuestra visión y cumples con los requisitos, envíanos tu CV y súmate a esta emocionante aventura. ¡Tu impacto comienza aquí!

Apply Now:

Coinbase is seeking a software engineer to join our team to build new features that improve existing products like Coinbase.com, Prime, Wallet, etc. You will solve unique, large scale, highly complex technical problems. You will help build the next generation of systems to make cryptocurrency accessible to everyone across the globe (www, iOS, Android), operating real-time applications with high frequency, low latency updates, keeping the platform safe from fraud, enabling delightful experiences, and managing the most secure, dockerized infrastructure running in the cloud.

What you’ll be doing (ie. job duties):

• Work with engineers, designers, product managers and leadership to turn our product and technical vision into a tangible roadmap every quarter
• Write high quality, well tested code to meet the needs of your customers

What we look for in you (ie. job requirements):

• Available to begin employment immediately.
• 1+ years experience in software engineering/development.
• You write high quality, well tested code to meet the needs of your customers.
• You're excited about hard problems and getting things done.
• You are self-motivated and committed to personal growth.
• You approach problems with positive energy.
• Degree or certificate in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, Mathematics or equivalent work experience.

Nice to haves:

• You’ve worked on either backend or frontend teams using Golang, MongoDB, AWS, Docker, Postgres, Ruby, Rails or React Native.
• You're passionate about blockchain, crypto, and building an open financial system that brings the world together.

ID: G2727

Apply Now:

About

Accountable is a digital finance platform that empowers businesses to verify and share data in a privacy preserving way, and retail investors to access verifiable yield opportunities. We aim to remove trust barriers, reduce fraud, and unlock new opportunities for efficient and safe financial growth.

We are looking for a motivated full stack engineer capable of turning ideas into code using new technologies and focusing on speed of delivery. A strong understanding of frontend and backend technologies and being self-driven are a must. Previous Web3 experience (as a developer or as a power user) is required. Understanding of blockchain fundamentals, L1/L2s, basic cryptography etc. is a plus.

Responsibilities

• Develop, test and review code
• Rapidly build and iterate on new features and MVPs using advanced technologies
• Participate in building specifications, design new features, independently assess feasibility, cost, and complexity of things to be implemented
• Handle test and production deployments
• Integrate with other protocols and sources of data

Requirements:

• Strong understanding of both frontend and backend technologies
• Proven experience building high quality web-based products
• Resourceful and self-motivated
• AI assisted coding is a big plus, but not a must as long as the focus is on speed, experimentation and feedback driven development
• Excellent general problem-solving skills and intellectual curiosity
• Up to date with latest developments in the space, a strong interest in staying on top of emerging technologies and industry trends
• Passionate about building and improving products, building MVPs and experimenting with new stuff
• Demonstrated ability to learn and adapt to new technologies quickly
• Professional integrity and dependability
• Experience with dApp development libraries and frameworks is a big plus
• Previous experience with lending protocols is a big plus
• Understanding of blockchain fundamentals, L1/L2s, bridging, basic cryptography etc. is desirable
• Experience working within a fast-paced, startup environment is a plus
• Hackathon participation and pet projects are a plus
• Exposure to growth hacking principles and A/B testing methodologies
• Excellent written and verbal communication skills in English
• Leadership skills are a big plus
• Languages used: Javascript, Python, Java, Solidity
• Frameworks: React

Setup:

• Fully remote (currently) with preference for European timezone B2B collaboration

StarkWare is at the forefront of blockchain and deep technology, creating cutting-edge solutions that scale Ethereum and Bitcoin, and unlock the potential of Web3. Our technology combines academic rigor with practical application, enabling the next generation of decentralized innovation. Join a team of the brightest minds pushing the boundaries of cryptographic proof systems and scalable blockchain infrastructure.

*This role requires travel at least twice a year for team off-sites and industry conferences.

Mission: You will play a key role in developing our iOS/Android apps, ensuring a seamless and enjoyable user experience. As part of a dynamic and collaborative team, you’ll contribute to cutting-edge projects that push the boundaries of web3 mobile technology.

Key Responsibilities:

• Develop and maintain iOS/Android applications integrated with the Starknet network, optimizing performance and responsiveness.
• Lead features from research and design to implementation and launch.
• Collaborate with distributed teams across Engineering, Product, and Ecosystem to set clear roadmaps and milestones.
• Engage with the Starknet community to develop and integrate innovative solutions.
• Write clean, maintainable, and well-tested code.
• Stay up to date with industry trends and apply best practices to improve development processes.

• For iOS: Proficiency in Swift, UIKit, and a solid understanding of iOS development best practices. TypeScript and React Native knowledge is a plus
• For Android: Proficiency in Kotlin in native Android development (Kotlin/Java). TypeScript and React Native knowledge is a plus
• A passion for developing phenomenal user experiences. 
• Ability to quickly adapt to new programming languages, tools, and environments.
• Strong ability to write efficient, testable, and maintainable code.
• Fast learner with a proactive, “get things done” mindset.

Nice to Have:

• Experience with blockchain protocols, particularly Ethereum and Starknet.
• Experience with open-source development.
• Experience with SDK Development

Apply Now:

STON.fi is a decentralized exchange (DEX) built on TON Blockchain smart contracts, enhanced with advantages such as low fees, low slippage, super user-friendly interface and direct integration with the TON wallet.

STON.fi:

• implements one of the main features of cryptocurrencies — it facilitates financial transactions without any involvement of banks, brokers or any other traditional intermediaries;
• utilizes the TON blockchain and is a natural part of TON DeFi’s growing suite of tools that make a huge range of financial services available directly from the TON cryptocurrency wallet.

We are looking for a new frontend team member who will be immersed in the process of working with TON Blockchain and its unique features; will help the present team in bringing new complicated business scenarios to life and upgrading the current application. That is a very interesting role because you will deal with new standards of the blockchain that emerge every month while developing the app that is already live and has a very big userbase - so naturally there are a lot of challenges for engineers to jump into.

What you’ll do:

• Immerse in the context of business requirements and operation of the application scenarios; communicate in an open community of users and partner developers.
• Produce typescript code that is easy to read, testable, supported, and framework independent.
• Be responsible for a critical functionality that influences people a lot.
• Build interfaces with mobile first approach and accurately following the design requirements.
• Write unit test using vitest, e2e and integration tests using cypress.
• Optimize application performance: deal with profiling, analysis and reduction of problem spots, refactoring.

Requirements:

• Strong knowledge of javascript (ES6+), typescript.
• Ability to make adaptive interfaces using css/sass.
• Expertise with the react framework and its ecosystem.
• Location that is close to CET timezone, as that's where most of the team is and most of the work is getting done.

Bonus Skills:

• Experience with frameworks other than React.
• Expertise with themization and localization implementation.
• Experience in developing and supporting CI/CD workflows with gitlab and docker as well as maintaining versioned application releases.

Our stack:

• Frontend:
  • react@18 (react@19 migration in plans).
  • react-router (currently - library mode. framework mode or @tanstack/router migration in plans).
  • @tanstack/react-query.
  • @tonconnect/ui.
  • @radix-ui.
  • tailwindcss.

• Toolchain:
  • pnpm.
  • tsup / vite (depends on package scale).
  • vitest.
  • biome (formatter only).
  • eslint.

If you feel that’s a role for you - fill in the application and let’s meet!

Apply Now:

Coinbase is seeking experienced frontend engineers to join our team to build out the next generation of crypto-forward products and features. You will help build the next generation of systems to make cryptocurrency accessible to everyone across the globe.

The Consumer Product Group engineers strive to make the Coinbase retail app the easiest-to-use and fastest experience for accessing the crypto. In 2024, our goal is to be the #1 self custody wallet measured by MTU’s and download share. Wallet is the future of web3 and of Coinbase. Suite of products include: Coinbase app, advance trade, dapps, and staking.

What you'll be doing:

• Design secure and highly reliable services to integrate with blockchains and add new cryptocurrency assets to Coinbase, Pro, Custody among other business units.
• Build a mass market interface for digital currency apps by adding new functionality to existing cryptocurrencies (i.e. staking, voting, predicting).
• Write infrastructural services that provide secure storage, accounting and transactional services to help our customers transfer assets safely.
• Work with engineers, product managers and senior leadership to turn our vision into a tangible roadmap every quarter.
• Add positive energy in every meeting, and make your coworkers feel included in every interaction.

What we look for in you:

• You have at least 2+ years of experience in developing web apps and shipping user-facing features with JavaScript and modern, component-based JS frameworks like React.
• You've developed and shipped user-facing features using component-based UI frameworks.
• You’re familiar with current trends and best practices in front-end architecture, including performance, security and usability.
• You’re familiar with product and design lifecycles, and collaborating closely with designers, engineers, and product managers.
• You write high quality, well tested code to meet the needs of your customers.

Nice to haves:

• You've worked on front-end teams in the finance or security space
• You have at least 1 year of experience in developing React Native mobile apps or helped move existing native apps to React Native
• Crypto-forward experience, including familiarity with onchain activity such as interacting with Ethereum addresses, using ENS, and engaging with dApps or blockchain-based services.

Job #: GCFE04US

#LI-Remote

Apply Now:

This role is for one of the Weekday's clients

Location: Remote (India)

JobType: full-time

What You’ll Do

• Take ownership of the quality, reliability, and availability of code being shipped.
• Oversee day-to-day operations and maintain comprehensive documentation of production features.
• Develop product features from scratch, adhering to technical standards set by the Technology Lead.
• Write clean, maintainable, and scalable code that complies with development policies.
• Participate in on-call incident response on a rotational basis, including after-hours and weekends.
• Collaborate with the Technology Head to define product architecture and document technical decisions.
• Contribute to product meetings, providing insights on architecture, design, and feature development.
• Bridge the gap between documentation and development by providing weekly feedback to the Research & Analysis team.
• Mentor and manage junior developers and interns.

What Makes You a Good Fit

• Strong expertise in blockchain technologies, including decentralized computing, DLTs, and decentralized applications.
• Proficient in JavaScript, TypeScript, and frameworks such as React, Angular, and Node.js.
• Experience with client-server architecture and development using client-side JavaScript frameworks (React Native, React.js).
• In-depth knowledge of Bitcoin, Ethereum (EVM), and other blockchain networks.
• Hands-on experience working with RESTful APIs.
• Solid understanding of data structures, algorithms, and design patterns.
• Experience coding in Solidity for smart contract development.
• Familiarity with blockchain development frameworks such as Truffle & Hardhat.
• Proficiency in NoSQL databases (MongoDB) and experience with GraphQL queries is a plus.
• Strong debugging and issue-resolution skills for frontend and backend solutions.
• Understanding of containerization tools like Docker and Kubernetes, and CI/CD pipelines.
• Experience working with cloud platforms like AWS, GCP, and keeping up with the latest trends in blockchain development.
• Knowledge of monolithic and microservices architectures.
• Proficient with Git for version control.
• Familiarity with testing frameworks such as Jest, Mocha, Chai, Karma, or Enzyme is a plus.
• Experience in writing reusable libraries.
• Contributions to open-source blockchain projects will be an added advantage.

Apply Now:

Team/ Role Paragraph:

Team - The Agent Productivity Tools (APT) team is a vital part of Coinbase’s Enterprise Applications and Architecture org, responsible for building the customer experience platforms that streamlines the customer service and compliance processes with innovative services, tools and applications that improve the efficiency and effectiveness of CX agents. This helps resolve customer issues and compliance KYC processes faster, with greater accuracy, and ultimately this leads to higher customer satisfaction levels and a better overall compliant experience for our customers.

Role - We would like to add a Software Engineer to help transform our platform at Coinbase in supporting Coinbase’s goals of improving security, compliance, and cost. You will be joining an agile and tight-knit team that is focused on delivering value. We are seeking individuals who thrive in a continuous learning and high level of ownership environment.

What you’ll be doing:

• Build new services to meet critical business needs using Golang and React.
• Support team members in design techniques and best practices in coding, testing, release/deploy process, documentation, metrics/logging and scaling.
• Work with engineers, security, designers, product managers and senior leadership to turn product and technical vision into a tangible roadmap every quarter.
• Demonstrate a keen awareness of Coinbase’s platform, development practices, and various technical domains and build upon them to efficiently deliver improvements across multiple teams.
• Communicate across the company to technical and non-technical leaders with ease.
• Work with teams and teammates across multiple time zones.
• Participate in on-call production support rotations.

What we look for in you:

• You have at least 3+ years of experience in developing web services, web apps and shipping features with web services , JavaScript and modern, component-based JS frameworks like React.
• You write high quality, well tested code to meet the needs of your customers.
• You’re familiar with product and design lifecycles, and collaborating closely with designers, engineers, and product managers.

Nice to haves:

• Experience in Cloud, Kubernetes, Terraform, GitHub Actions or similar.
• Python
• Typescript
• SaaS platform experience

Apply Now:

The Institutional Product Group engineers create and maintain a suite of products catering to institutional customers of all sizes from Hedge Funds (Coinbase Prime) to experienced individual traders (Coinbase Advanced Trade) and everything in between. Additional Products include Prime - Custody Only, Prime Web3 Wallet, Commerce and Exchange. Whether the customer needs are trading, staking, governance, custody, web3 operations, or API integrations, Coinbase Institutional has them covered.

The Institutional Financing Engineering team is responsible for building and maintaining the systems required to safely manage billions of dollars of loans across a number of different products, including Portfolio Margin, Trade Finance, Agency Lending, Bilateral Lending and more. Financing is incredibly important to the Prime Brokerage business because it allows customers to use leverage on their trading positions, as well as generate yield on long holdings. Financing products are important because they generate recurring revenue (as opposed to transaction revenue), but it also increases trading activity and encourages assets to be held on platform.

What you’ll be doing (ie. job duties):

• Design and implement new financing products and features
• Create and build new reporting, monitoring, tools, frameworks and APIs
• Collaborate with engineers, product managers and senior leadership to turn our vision into a tangible deliverables every quarter
• Improving developer efficiency, engineering excellence, and operational excellence
• Provide support to operations and other engineering teams
• Mentor team members and help uplift the technical skill set across the team

What we look for in you:

• You have at least 5 years of experience in software engineering.
• You’ve designed, built, scaled and maintained critical low-latency production services, and know how to compose a service oriented architecture.
• You’ve good awareness of at least one of the major SQL or No-SQL databases - Postgres, SQL Server, Oracle, MongoDB; and interest in optimizing and maintaining them
• You’re passionate about building an open financial system that brings the world together.

Nice to haves:

• You’ve worked with some or all of: Golang, Postgres, Kafka, Protobuf, and React.
• You’ve built financial, high reliability or security systems.

Job #: GIBE05US

*Answers to crypto-related questions may be used to evaluate your onchain experience

Apply Now:

Coinbase is seeking a software engineer to join our team to build out the next generation of crypto-forward products and features. You will solve unique, large scale, highly complex technical problems, bridging the constraints posed by web-scale applications and blockchain technology. You will help build the next generation of systems to make cryptocurrency accessible to everyone across the globe, operating real-time applications with high frequency, low latency updates, and managing the most secure, dockerized infrastructure running in the cloud.

What you’ll be doing (ie. job duties):

• Work with engineers, designers, product managers and leadership to turn our product and technical vision into a tangible roadmap every quarter
• Write high quality, well tested code to meet the needs of your customers

What we look for in you (ie. job requirements):

• Available to begin employment immediately
• 1+ years experience in software engineering/development
• You write high quality, well tested code to meet the needs of your customers
• You're excited about hard problems and getting things done
• You are self-motivated and committed to personal growth
• You approach problems with positive energy
• Degree or certificate in Computer Science, Software Engineering, Computer Engineering, Electrical Engineering, Mathematics or equivalent work experience

Nice to haves:

• You’ve worked on either backend or frontend teams using Golang, MongoDB, AWS, Docker, Postgres, Ruby, Rails or React Native
• You're passionate about blockchain, crypto, and building an open financial system that brings the world together

ID: G2443

Apply Now:

Engineering@Easygo Join a team that thrives on innovation and craftsmanship, building cutting-edge games that entertain millions worldwide. At EasyGo, our team is at the heart of our games, creating immersive, high-performance experiences while integrating seamlessly with top-tier third-party providers. We tackle complex technical challenges with creativity and precision, ensuring every game we build is robust, scalable, and engaging. If you're passionate about pushing the boundaries of frontend development in gaming, collaborating with talented engineers, and delivering world-class entertainment, this is the team for you. If you're passionate about growth, innovation, and working with the best, we'd love to have you on our team!  Key Responsibilities: 

Actively engage in hands-on coding, testing, debugging, and troubleshooting to ensure code quality, scalability, and maintainability.  Write efficient, scalable, and maintainable code, adhering to coding standards and best practices.  Lead technical discussions and propose solutions that drive team performance and contribute to team and company OKRs.  Innovate within the team by pushing for improvements and driving constructive changes to enhance team performance and efficiency.  Analyse complex problems and provide effective solutions, contributing to team goals and initiatives.  Lead and independently complete medium-sized projects or components from start to finish.  Identify opportunities for improvement and take initiative in technical discussions. Share knowledge and best practices with the team, fostering a collaborative and learning-oriented environment.  Mentor junior engineers by providing guidance and constructive feedback to support their growth.  Collaborate with stakeholders, product managers, and engineering teams to effectively communicate technical concepts. 

Minimum Qualifications: 

Bachelor's/Master's degree in Computer Science or equivalent practical experience. 6+ years of hands-on experience in software engineering, with a primary focus on front-end development.  Proficiency in JavaScript, TypeScript, Node  JS & React but open to other tech stack as well Experience with unit testing frameworks and methodologies for frontend development (e.g., Vitest, Jest, Testing Library) to ensure code quality and reliability. Strong understanding of code architecture and design principles.  Excellent problem-solving skills and the ability to thrive in a fast-paced, dynamic environment.  Strong communication skills for effective collaboration with teams and stakeholders. ● Analytical mindset to address complex technical challenges and devise innovative solutions.  Positive attitude and eagerness to learn new technologies to grow as a full-stack engineer.

Some of the perks of joining us: 

EAP access for you and your family  Access to over 9,000 courses across our Learning and Development Platform  Paid volunteer day  Two full-time baristas who will make your daily coffee, tea or fresh juice! Daily catered breakfast  Massage Wednesdays - we get professionals to do this!  Team lunches and happy hour in the office from 4 pm on Fridays  Fun office environment with pool tables, table tennis and all your favourite gaming consoles  Help yourself to drinks fridges and snack shelves 

We believe that the unique contributions of everyone at Easygo are the drivers of our success. To make sure that our products and culture continue to incorporate everyone's perspectives and experiences we never discriminate on the basis of race, religion, national origin, gender identity or expression, sexual orientation, age, marital, veteran, or disability status. We are passionate about providing a workplace that encourages great participation and an equal playing field, where merit and accomplishment are the only criteria for success.

Apply Now:

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

We’re looking for a passionate Senior Frontend Engineer to help take decentralized trading to the next level. You’ll take charge of our CoW DAO products and help shape what’s coming next, making sure the user experience is smooth across trading interfaces, analytics, docs, and more.

We’re after someone who’s a great communicator, loves working with a team, and is eager to learn (especially about blockchain). If you thrive on ownership, like solving problems, and are curious about the world of blockchain, this might just be the role for you.

Tech stack we work with

• Frontend: Typescript, React, styled-components
• Web3: Web3, ethersjs, Hardhat, Solidity, IPFS, TheGraph, ENS
• Testing: Jest, Cypress, React Testing Library
• Analytics: Dune Analytics, Google Analytics

What you’ll be doing

• Develop and improve user-facing applications like CoW Swap on top of the CoW Protocol
• Build and implement new features quickly, with a focus on performance, accessibility, and quality
• Decide when to create reusable abstractions and when to build one-off features, always keeping scalability and maintainability in mind
• Contribute to the product roadmap by proposing new features, sharing design ideas, and helping the team prioritize tasks
• Push the boundaries of decentralized user interfaces. Our products are hosted traditionally but also deployed on decentralized networks like IPFS/ENS, and we work with decentralized infrastructure like The Graph and Ethereum nodes

What we’re looking for

• Experience: 3+ years of professional experience building client-side web apps
• Technical skills: Expertise in front-end technologies (React, TypeScript, CSS, state management libraries like Redux, Recoil, or Jotai)
• Code quality: Ability to review and guide the team on architecture, code quality, and best practices
• Problem-solving: Strong debugging and problem-solving abilities
• Team player: Excellent communication skills and a willingness to collaborate and share knowledge
• Self-driven: You take ownership of your work and are proactive about learning and growing in your career
• Blockchain knowledge: Experience integrating frontend with smart contracts and familiarity with tools like Web3.js, Ethers.js
• Product vision: A solid understanding of the crypto DApp ecosystem, user experience, and market trends

Bonus points if you have:

• DevOps & tooling: Experience with CI/CD pipelines, testing frameworks, and deployment tools; familiarity with cloud services (AWS, GCP, etc.)
• Backend experience: Knowledge of Node.js, databases, and RESTful or GraphQL APIs

What we can offer

• 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 individual growth

Referral Program

Earn 3.000 USDC or USD with the refer-to-earn program. More details here.

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 diverse 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.

In the past few years, the foundational technology required for crypto to replace traditional payment rails has finally come online: stablecoins, cost-effective L2 networks, and Coinbase Smart Wallet. This represents a multi-billion dollar opportunity for Coinbase to disrupt the payments industry by leveraging its leading position in onchain development and deep expertise of existing fiat rails.

This role is for the lead engineer of the team for this new Onchain Payments effort, which will include both 0-1 product development and building off of the existing Coinbase Commerce product. It’s best to think of the team as a start-up within Coinbase looking to find product market fit for a radically new approach to payments

What you'll be doing:

• Bring a 0-to-1 product to life to replace the global payment stack with crypto rails
• Lead the fullstack design and development of a secure, high-performance product using TypeScript, Go, and Solidity
• Rapidly prototype user flows to gain market feedback and adjust accordingly, productionizing code as necessary
• Integrate with a variety of existing Coinbase surfaces, including Smart Wallet, Commerce, and Platform APIs
• Design, implement, and drive adoption of a novel open-source web3 payment protocol using Solidity
• Work closely with product managers, designers, and other cross-functional partners to find product market fit
• Leverage, maintain, and improve upon an existing legacy codebase of Coinbase Commerce
• Drive the adoption of engineering best practices, ensuring operational excellence and sound maintenance of legacy code
• Optimize frontend and backend performance, ensuring fast transaction processing, smooth UI interactions, and efficient resource utilization
• Troubleshoot and debug complex fullstack issues, ensuring platform stability, reliability, and security
• Provide technical guidance and support to the entire engineering team and contribute to the overall technical direction of Coinbase

What we look for in you:

• 8+ years of experience in software development with a strong focus on fullstack development; 2+ years of experience in a leadership position of a crypto start-up is a plus
• Mastery of Go, JavaScript, TypeScript, and Solidity; familiarity with Ruby is a plus
• Proven track record of rapidly shipping high-quality fullstack systems
• Deep understanding of Ethereum and EVM-compatible chains and experience with developing smart contracts
• Demonstrated commitment to excellent developer experiences and open source code, especially in relation to crypto and payments
• Strong expertise in frontend development using modern frameworks like React, Next.js, and Angular
• Solid understanding of distributed systems, microservices architecture, and event-driven architectures, including experience with databases (PostgreSQL, MySQL, MongoDB), caching systems (Redis, Memcached), and message queues (Kafka, RabbitMQ)
• Experience with developer operations, including Cloud providers such as AWS and containerization technologies such as Kubernetes
• Deep understanding of web security best practices and experience with implementing secure coding practices for financial systems
• Exceptional problem-solving skills and ability to find elegant solutions to complex challenges in the crypto payment processing domain
• Outstanding communication, leadership, and collaboration skills, with the ability to inspire and mentor teams
• Bachelor's or Master's degree in Computer Science, Software Engineering, or equivalent experience
• Crypto-forward experience, including familiarity with onchain activity such as interacting with Ethereum addresses, using ENS, and engaging with dApps or blockchain-based services.

Job #: GDFS06US

*Answers to crypto-related questions may be used to evaluate your onchain experience

#LI-Remote

Apply Now:

Coinbase is seeking experienced frontend engineers to join our team to build out the next generation of crypto-forward products and features. You will help build the next generation of systems to make cryptocurrency accessible to everyone across the globe.

The Consumer Product Group engineers strive to make the Coinbase retail app the easiest-to-use and fastest experience for accessing the crypto. In 2023, our goal is to be the #1 self custody wallet measured by MTU’s and download share. Wallet is the future of web3 and of Coinbase. Suite of products include: Coinbase app, advance trade, dapps, and staking.

What you’ll be doing:

• Design and implement highly reliable interfaces to integrate with blockchains and NFTs, making it easy for users to buy, sell & trade NFTs.
• Build a mass market interface for digital non-fungible token apps by adding new functionality to existing cryptocurrencies (i.e. minting, NFT drops, campaigns).
• Write infrastructural services that provide secure storage, accounting and transactional services to help our customers transfer assets safely.
• Work with engineers, product managers and senior leadership to turn our vision into a tangible roadmap every quarter.
• Add positive energy in every meeting, and make your coworkers feel included in every interaction.

What we look for in you:

• You have at least 5+ years of experience in developing web apps and shipping user-facing features with JavaScript and modern, component-based JS frameworks like React.
• You have experience working on decentralized applications (Dapps).
• You’ve developed and shipped user-facing features using component-based UI frameworks.
• You’re familiar with current trends and best practices in front-end architecture, including performance, security and usability.
• You’re familiar with product and design lifecycles, and collaborating closely with designers, engineers, and product managers.
• You write high quality, well tested code to meet the needs of your customers.

Nice to haves:

• You’ve worked on front-end teams in the finance or security space
• Experience with GraphQL and React Relay for data fetching & rendering.
• You have at least 1 year of experience in developing React apps or React Native apps

Job #: GCFE04US

Apply Now:

Are you looking to be part of an early-stage venture and have proven experience in web3 content creation?

Location: Remote. Your team is based in Europe, India, and Canada.

Working Language: English

About the project

The #1 Crypto rewards platform where daily rewards meet smart investing.

Klink is a leading crypto wealth creation platform that innovatively combines quest-based task rewards with strategic investing opportunities on its multi-service platform. Klink provides a unique opportunity for its users to earn cryptocurrencies starting from $0 of personal investment and has already partnered with some of the leading companies in web3.

The company is backed by top-tier VCs in the US & Asia.

Tasks

We are now looking for an ambitious Fullstack Engineer to join the team. You will be joining a team of 20 (12 with technical background) with a live product with over 400,000 users already. As you work on building an innovative solution competing with products on a global scale, you will always be up to date on all the latest technologies and best practices, especially regarding the web3 space.

You will:

• Collaborate on the development of highly scalable Node.js products hosted on cloud-based infrastructure, facilitating access to DeFi opportunities for CeFi users.
• Construct and maintain internal and external RESTful APIs, ensuring swift and seamless updates to our products.
• Develop diverse platforms, optimizing for high throughput and faultlessness in execution.
• Integrate external providers from the FinTech and Blockchain industry to enhance our product offerings.
• Engage in regular communication with the technical lead and the entire team to discuss solutions and innovations.
• Actively participate in code reviews to uphold code quality, maintainability, and adherence to best practices.

Requirements

We do not focus on the time you have spent sitting in the lecture halls of this world but we want to understand what makes you feel comfortable, extraordinarily motivated and suitable to take over this position. We are looking for a team member who feels comfortable working remotely and in English in an international environment with a self-driven “Get stuff done” mindset.

• Experience in serverless architecture and microservices.
• Proven understanding of Blockchain and Web3 solutions.
• Proficiency in Javascript frameworks, with a focus on Typescript (Nest.js, Next.js, Node.js).
• Strong MVP-focused coding skills in any modern programming language.
• Solid understanding of cloud solutions, specifically Amazon Web Services (AWS).
• Good knowledge of data structures, algorithms, and relational databases.
• Familiarity with security best practices in cloud environments.
• Full-stack development experience with a strong proficiency in React.js, Next.js, and NestJS. Expertise in building dynamic, scalable, and high-performance web applications, ensuring seamless integration between front-end and back-end technologies for optimized user experiences and efficient server-side rendering.

Benefits

• Join at an early stage and be involved in decisions that shape the company’s future and the opportunity to build your own success story
• You will have a lot of autonomy and freedom in your role to innovate, test and fail
• Take a trip with an international team of highly skilled individuals who will always support you on this journey

If you want to know more about this opportunity please complete this application with your most recent work profile and we will get back to you ASAP.

We are excited to meet you!

Apply Now:

Apply Now:

As stewards of the Polkadot and Substrate ecosystem, Parity is laying the foundation for a better web which respects the freedom and data of individuals and empowers developers to create better services through decentralised technology. The internet is too important to billions of people for it to be at the mercy of a few powerful companies. 

With a remote-first, global team, Parity is building open-source technologies for developers and organisations to implement and build upon. Our Web3 tech stack includes Polkadot, Substrate, and Kusama.

We believe in a decentralised web that respects the freedom and data of individuals and empowers developers to create better services. Our vision is to create a world based on truthful, rather than trustful, interactions. Our mission is to make Polkadot the most active and innovative community in blockchain.

People in our collective are:

• Highly motivated to contribute to Parity’s mission and be part of something bigger

• Excited to work on projects that are groundbreaking and complex

• Autonomous workers that self-initiate, but also collaborate well with others

• Taking maximum accountability and having minimum ego at work

• Comfortable with chaos and adapting to the ever-changing Web3 space

• Continuously educating themselves about Parity and the wider ecosystem

About the team:

At Parity Technologies, we’re redefining the way the world interacts with Polkadot.. Our greenfield Mobile App team’s mission? To build the most seamless, secure, and cutting-edge digital wallet experience for both web and native platforms. If you’re a developer who thrives on innovation, enjoys pushing boundaries, and wants to shape the future of decentralized finance, read on:

About the position:

Picture this: You’re leading the charge in crafting a next-gen digital wallet—one that’s intuitive, secure, and lightning-fast. This isn’t just another app; it’s the gateway for users to interact with Polkadot and the decentralised world beyond.

• Architect & Build – You’ll design and develop a fluid, high-performance mobile and web wallet that empowers users to manage crypto assets effortlessly.

• Bridge Web2 and Web3 – Your work will ensure a seamless transition between traditional fintech experiences and decentralised technologies.

• Innovate & Optimise – Tackle challenges like gas fee optimisations, cross-chain transactions, and zero-trust security models.

• Create Beautiful UX – Work alongside designers to build smooth, intuitive interfaces that make crypto adoption easy for everyone.

• Stay Cutting-Edge – Implement the latest blockchain SDKs, cryptographic security measures, and real-time transaction tracking.

• Collaborate Globally – Work with engineers, product managers, and the wider blockchain community to push the limits of what’s possible.

About you:

You’ll be working with

• Frontend: React Native, TypeScript, React (for web wallet)

• Mobile: Swift (iOS), Kotlin (Android)

• Backend: Node.js, GraphQL, Firebase, Go (occasionally)

• Security: End-to-end encryption, Secure Enclave, biometric authentication

• DevOps: Docker, Kubernetes, CI/CD pipelines

Who You Are

• A mobile/web developer with a passion for Web3, DeFi, or crypto applications.

• Comfortable building for both native (iOS/Android) and web platforms

• Excited to solve complex problems in scalability, UX, and decentralised technologies.

Nice To Have

• Familiar with wallet security, cryptography, and blockchain interactions.

• Blockchain: Substrate, Polkadot.js, Ethereum Web3.js, Rust (for deeper blockchain integrations)

About working for us:

• Competitive remuneration packages based on iterative market research, including tokens (where legally possible)

• “Future of work” environment that’s remote-first and self-initiating with flexible hours

• Team mates that are genuinely excited about their impact and projects

• Access to the brightest minds in this space to learn about Web3 and develop your skills and knowledge while on the job

• Becoming part of the wider ecosystem (career and networking opportunities)

• Team and company-wide retreats

• Work laptop

Those joining our collective as an employee in Germany, Portugal, Switzerland and the U.K. also enjoy benefits such as health care, parental leave, PTO (28 days per year), local team events, yearly L&D budget, and language classes.

Parity is an Equal Opportunity Employer. We welcome diversity in our global team and care about everyone in our collective feeling included and welcome.

View our Applicant Notice to see how we use your data. 

Is this position not quite your match? Browse our other open roles.

Apply Now:

About Mangrove

Mangrove is an order book DEX allowing liquidity providers to attach smart contracts to their offers. Linking arbitrary code with on-chain trading unlocks a new design space for DeFi. We are backed by some of the best investors in the ecosystem and as a team, we value expertise, creativity, autonomy, and knowledge sharing.

Mangrove is looking to hire a Senior Frontend/Blockchain Developer. This is a full-time position in Paris, however, remote can be an option.

What you’ll do

As a Frontend Developer at Mangrove, you will play a crucial role in building and optimizing the user interface for our decentralized exchange (DEX). You will be responsible for crafting seamless, intuitive, and high-performance experiences that enhance the usability and functionality of our platform.

We are looking for someone who can bridge design and development, with a strong understanding of DeFi, DEXs and advanced trading interfaces. They may also occasionally work on other aspects of the project if needed.

Requirements:

• Extensive experience in React, and modern frontend frameworks
• Strong experience building complex Web3 applications and interacting with smart contracts
• Deep understanding of DEX mechanics, perpetual trading, and DeFi protocols
• Experience in optimizing UI/UX for performance and accessibility
• Familiarity with blockchain infrastructure and EVM interactions
• Experience operating a live protocol/product
• Able to work within the CET (Central European Time) timezone for team meetings
• Excellent verbal and written communication in English

Bonus points:

• Experience with backend integrations and full-stack development
• Passion for DeFi, trading, and Web3 innovation
• Have teamwork, communication and organizational skills
• Willingness to constantly learn & improve, challenging yourself to stay at the top of your game

What does Mangrove offer?

• Significant ownership and autonomy in shaping our frontend and user experience
• Competitive annual salary + tokens
• Flexible schedule and remote-friendly environment
• The opportunity to work with a highly experienced and diverse team
• Team retreats held several times a year around the world
• Conferences and continuous learning opportunities
• Career growth and professional development within a cutting-edge DeFi project

Want to apply?

Fast & efficient hiring process:

1. Apply – Send us any project you’re proud of (GitHub, portfolio, CV, etc.)
2. Intro call – 20-min chat to discuss your experience & fit.
3. Technical test – A hands-on challenge tailored to frontend Web3 development.
4. Test review & final interview – Meet the team and dive deeper.
5. Offer & welcome to the team!

Send your application to email.

Links

• Website
• Documentation
• Twitter
• LinkedIn
• GitHub

Equal Opportunity

Mangrove is committed to fostering a diverse and inclusive work environment. We encourage all types of profiles to apply and do not discriminate on the basis of race, national origin, religion, gender, sexual orientation, marital status, disability, social origin, or age.

Apply Now:

Team/ Role Paragraph:

• Team - The Agent Productivity Tools (APT) team is a vital part of Coinbase’s Enterprise Applications and Architecture org, responsible for building the customer experience platforms that streamlines the customer service and compliance processes with innovative services, tools and applications that improve the efficiency and effectiveness of CX agents. This helps resolve customer issues and compliance KYC processes faster, with greater accuracy, and ultimately this leads to higher customer satisfaction levels and a better overall compliant experience for our customers.
• Role - You will be building applications that will enable Coinbase Customer Agents and other users to increase their productivity, drive automation, and deliver impact at scale.

What you’ll be doing:

• Build complete user features using React and Js frameworks
• Lead assessment and implementation of third-party tools.
• Deliver cross-functional outcomes to complex problems in collaboration with product, design, security, data or other engineering teams
• Demonstrate a keen awareness of Coinbase’s platform, development practices, and various technical domains and build upon them to efficiently deliver improvements across multiple teams.
• Participate in an environment where innovative ideas are regularly generated, vetted, and transformed into action.
• Foresee potential issues before they arise and adapt their own approach, working within constraints to avoid adverse impact.
• Communicate across the company to technical and non-technical leaders with ease.
• Quickly distill complex technical themes so that an entry level, non-tech team member can understand them.
• Mentor team members in design techniques and best practices in coding, testing, release/deploy process, documentation, metrics/logging and scaling.
• Working with teams and teammates across multiple time zones.

What we look for in you:

• You have at least 5 years of experience in software engineering and at least 5 years of experience in developing web apps and shipping user-facing features with JavaScript and modern, component-based JS frameworks like React.
• Experience with third-party vendor integrations.
• You have experience in authoring and contributing to front-end architecture and implementing them.
• Proficiency in React.

Nice to haves:

• Python, Ruby
• SaaS platform experience

PID: P55604

Apply Now:

SideShift.ai, the direct-to-wallet crypto exchange, is hiring a Frontend Engineer with a passion for UI/UX Design.

Since launching in late 2018, SideShift.ai has been growing rapidly. With seven-figure daily volume and key industry partnerships, we’ve achieved a lot, but there’s still plenty more to do.

As a lean team without dedicated designers or product managers, our engineers are true product owners. We’re looking for someone eager to contribute to all aspects of product development—from ideation and UI/UX design to implementation.

Role

• Build intuitive and user-friendly interfaces using modern tools like React, TypeScript, Next.js, Apollo, GraphQL, Storybook, Jest, and Cypress.
• Own projects from concept to live implementation, taking charge of both the technical and user experience aspects.
• Contribute to UI/UX design, ensuring our platform is not just functional but also visually appealing and delightful to use.
• Conduct user research to gather insights and understand user needs, pain points, and preferences. Ship fast and often. Your ideas will quickly make it into live products.

You

• Solid understanding of semantic HTML, CSS, and core JavaScript concepts.
• Experience with React and TypeScript.
• Demonstrated ability in UI/UX design with a solid eye for aesthetics and attention to detail.
• Ability to think from the user’s perspective and advocate for the best possible experience.
• Experience creating design mockups and prototypes using tools like Figma or similar.
• Passion for and knowledge of blockchain technologies.
• Proactive with product ideas and opinions.
• Curiosity and a keen interest in “why?”
• Outstanding written communication skills.
• Self-motivated and self-managing; able to thrive in an asynchronous environment.
• Able to join team meetings in EU/Asia time zones (though we try to avoid meetings as much as possible).

Nice to have

• Experience with Next.js.
• Experience interacting with smart contracts via the frontend.
• Experience with unit testing, end-to-end testing, or visual testing.
• An appreciation for memes.

Perks

• Salary paid in a SideShift.ai-supported crypto of your choice.
• Join a company with traction (seven-figure daily volume) and key industry partnerships.
• Direct impact on the product. Your ideas will lead to real developments.
• Remote-first culture—work wherever you feel most productive.
• Flexible vacation policy.

Please keep your answers short and include the word “satoshi” so we know you read these instructions.

Please note: SideShift.ai will pay fair market rates based on your location and experience.

We’re seeking a frontend engineer to join our Identity team within the Platform Product Group. Our mission is to develop a trusted, scalable, and compliant platform that enables Coinbase to operate with speed, efficiency, and quality. The platforms we build and maintain are foundational to Coinbase’s success.

The Identity team at Coinbase has a critical responsibility as the identity provider service for the entire organization. This team operates at T0 level and handles essential tasks such as managing user data, user grouping, authentication, authorization, and user registration services across all Coinbase platforms.

• Build front-end UI/UX for the Coinbase account/identity product.
• Build and run experiments on our products, analyze results in collaboration with our data science partner, and propose innovative ideas to enhance the user experience.
• Work with engineers, designers, product managers and senior leadership to turn our product and technical vision into a tangible roadmap every quarter.
• Write high quality, well tested code to meet the needs of our customers.

What we look for in you:

• You have at least 2+ years of experience in developing web apps and shipping user-facing features with JavaScript and modern, component-based JS frameworks like React.
• You've developed and shipped user-facing features using component-based UI frameworks.
• You’re familiar with current trends and best practices in front-end architecture, including performance, security and usability.
• You’re familiar with product and design lifecycles, and collaborating closely with designers, engineers, and product managers.
• You write high quality, well tested code to meet the needs of your customers.

Nice to haves:

• Auth (authentication, 2FA, SSO) and Identity (user account, KYC) background is nice-to-have.
• Need to be a fluent/strong communicator
• Crypto-forward experience, including familiarity with onchain activity such as interacting with Ethereum addresses, using ENS, and engaging with dApps or blockchain-based services

Job #: GPFE04BR

*Answers to crypto-related questions may be used to evaluate your onchain experience

#LI-Remote

Apply Now:

Engineering@Easygo Join a team that thrives on innovation and craftsmanship, building cutting-edge games that entertain millions worldwide. At EasyGo, our team is at the heart of our games, creating immersive, high-performance experiences while integrating seamlessly with top-tier third-party providers. We tackle complex technical challenges with creativity and precision, ensuring every game we build is robust, scalable, and engaging. If you're passionate about pushing the boundaries of frontend development in gaming, collaborating with talented engineers, and delivering world-class entertainment, this is the team for you. If you're passionate about growth, innovation, and working with the best, we'd love to have you on our team!  Key Responsibilities: 

Actively engage in hands-on coding, testing, debugging, and troubleshooting to ensure code quality, scalability, and maintainability.  Write efficient, scalable, and maintainable code, adhering to coding standards and best practices.  Lead technical discussions and propose solutions that drive team performance and contribute to team and company OKRs.  Innovate within the team by pushing for improvements and driving constructive changes to enhance team performance and efficiency.  Analyse complex problems and provide effective solutions, contributing to team goals and initiatives.  Lead and independently complete medium-sized projects or components from start to finish.  Identify opportunities for improvement and take initiative in technical discussions. Share knowledge and best practices with the team, fostering a collaborative and learning-oriented environment.  Mentor junior engineers by providing guidance and constructive feedback to support their growth.  Collaborate with stakeholders, product managers, and engineering teams to effectively communicate technical concepts. 

Minimum Qualifications: 

Bachelor's/Master's degree in Computer Science or equivalent practical experience. ● 6+ years of hands-on experience in software engineering, with a primary focus on frontend development.  Experience with Svelte + SvelteKit or other server-side rendering frameworks (e.g. React + NextJS, Vue + Nuxt, Quasar, etc)  Proficiency in JavaScript fundamentals, Subscriptions (WebSockets, Pub/Sub), TypeScript, GraphQL, Storybook and related technologies.  Experience with unit testing frameworks and methodologies for frontend development (e.g., Vitest, Jest, Testing Library) to ensure code quality and reliability. ● Strong understanding of code architecture and design principles.  Excellent problem-solving skills and the ability to thrive in a fast-paced, dynamic environment.  Strong communication skills for effective collaboration with teams and stakeholders. ● Analytical mindset to address complex technical challenges and devise innovative solutions.  Positive attitude and eagerness to learn new technologies to grow as a full-stack engineer. 

Some of the perks of joining us: 

EAP access for you and your family  Access to over 9,000 courses across our Learning and Development Platform ● Paid volunteer day  Two full-time barista’s who will make your daily coffee, tea or fresh juice! ● Daily catered breakfast  Massage Wednesdays - we get professionals to do this!  Team lunches and happy hour in the office from 4pm on Fridays  Fun office environment with pool tables, table tennis and all your favourite gaming consoles  Help yourself drinks fridges and snack shelves 

We believe that the unique contributions of everyone at Easygo are the driver of our success. To make sure that our products and culture continue to incorporate everyone's perspectives and experience we never discriminate on the basis of race, religion, national origin, gender identity or expression, sexual orientation, age, or marital, veteran, or disability status. We are passionate about providing a workplace that encourages great participation and an equal playing field, where merit and accomplishment are the only criteria for success.

Apply Now:

Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time. We are looking for software engineers from a variety of technical backgrounds with a proven track record in building scalable, reliable and performant systems. You will play a critical role in building financial and crypto-native products, services and APIs. As a Senior Full-Stack Developer you should lead by example - driving the technical discussions, influencing the approach and making a positive impact on the team's development by advocating the best engineering practices. WHAT YOU WILL DO:

Design, develop, and maintain scalable backend services and APIs. Build dynamic, user-friendly frontends using modern frameworks like React. Work closely with design and product teams to ensure seamless integration of user-facing and server-side features. Collaborate on system architecture and design decisions, emphasizing security, performance, and scalability. Implement automated testing across the stack to ensure high-quality deliverables. Optimize applications for performance and scalability in both backend and frontend layers. Write clean, reusable, and efficient code while adhering to best practices.

WHAT YOU WILL NEED:

Strong backend expertise in Kotlin or Java Solid understanding of databases (PostgreSQL, MySQL) Understanding of system design principles and scalable architectures Proficiency in frontend technologies like React Experience with event-driven architectures (e.g., Kafka, RabbitMQ). Strong problem-solving skills and ability to debug complex systems.

NICE TO HAVE:

Experience with cloud platforms like GCP, AWS or Azure Knowledge of blockchain technologies or financial systems. Skills in performance optimization on both client and server sides. Familiarity with Docker and CI/CD tools.

COMPENSATION & PERKS

Competitive full-time salary based on experience and meaningful equity in an industry-leading company The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an exciting, emerging industry. Performance-based bonuses Apple equipment provided by the company Hybrid role from our office in Palermo, Buenos Aires.

Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time. You may contact our Data Protection Officer by email at email. Your personal data will be processed for the purposes of managing Controller’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art. 6(1)(f) of Regulation (EU) 2016/679 (General Data Protection Regulation) as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment. Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller’s behalf.  Accordingly, if you are located outside of the United States, your personal data will be transferred to the United States once you submit it through this site. Because the European Union Commission has determined that United States data privacy laws do not ensure an adequate level of protection for personal data collected from EU data subjects, the transfer will be subject to appropriate additional safeguards under the standard contractual clauses.  Your personal data will be retained by Controller as long as Controller determines it is necessary to evaluate your application for employment.  Under the GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted. You also have the right to data portability. In addition, you may lodge a complaint with an EU supervisory authority.  

Apply Now:

Blockchain.com is the world's leading software platform for digital assets. Offering the largest production blockchain platform in the world, we share the passion to code, create, and ultimately build an open, accessible and fair financial future, one piece of software at a time We are looking for Software Engineers from a variety of technical backgrounds with a proven track record in building scalable, reliable and performant systems. You will play a critical role in building financial and crypto-native products, services and APIs. As a Senior Back-End Engineer you should lead by example - driving the technical discussions, influencing the approach and making a positive impact on the team's development by advocating the best engineering practices. WHAT YOU WILL DO:

Design, develop, and maintain scalable backend services using Kotlin & Java Build and optimize APIs for seamless integration with front-end and third-party systems. Work with relational and NoSQL databases to manage and process large-scale data efficiently. Implement and maintain CI/CD pipelines for smooth deployment and testing processes. Collaborate with cross-functional teams to deliver secure, high-quality, and user-centric solutions. Conduct code reviews and mentor junior developers to foster a culture of continuous improvement. Work closely with design and product teams to ensure seamless integration of user-facing and server-side features.

WHAT YOU WILL NEED:

Proficiency in Java or Kotlin Strong knowledge of microservices architecture, API design, and database systems (PostgreSQL, MySQL) Understanding of system design principles and scalable architectures Familiarity with Docker and CI/CD tools. Experience with event-driven architectures (e.g., Kafka, RabbitMQ). Strong problem-solving skills, attention to detail, and a commitment to code quality.

NICE TO HAVE:

Experience with cloud platforms like GCP, AWS or Azure Knowledge of blockchain technologies or financial systems. Proficiency in frontend technologies like React

COMPENSATION & PERKS

Competitive full-time salary based on experience and meaningful equity in an industry-leading company Awesome office location in the heart of Paris - working 3 days in the office is mandatory Work from Anywhere policy The opportunity to be a key player and build your career at a rapidly expanding, global technology company in an exciting, emerging industry Unlimited vacation policy; work hard and take time when you need it Performance-based bonuses paid in cash Apple equipment provided by the company

Blockchain is committed to diversity and inclusion in the workplace and is proud to be an equal opportunity employer. We prohibit discrimination and harassment of any kind based on race, religion, color, national origin, gender, gender expression, sex, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, and apprenticeship. Blockchain makes hiring decisions based solely on qualifications, merit, and business needs at the time. You may contact our Data Protection Officer by email at email. Your personal data will be processed for the purposes of managing Controller’s recruitment related activities, which include setting up and conducting interviews and tests for applicants, evaluating and assessing the results thereto, and as is otherwise needed in the recruitment and hiring processes. Such processing is legally permissible under Art. 6(1)(f) of Regulation (EU) 2016/679 (General Data Protection Regulation) as necessary for the purposes of the legitimate interests pursued by the Controller, which are the solicitation, evaluation, and selection of applicants for employment. Your personal data will be shared with Greenhouse Software, Inc., a cloud services provider located in the United States of America and engaged by Controller to help manage its recruitment and hiring process on Controller’s behalf.  Accordingly, if you are located outside of the United States, your personal data will be transferred to the United States once you submit it through this site. Because the European Union Commission has determined that United States data privacy laws do not ensure an adequate level of protection for personal data collected from EU data subjects, the transfer will be subject to appropriate additional safeguards under the standard contractual clauses.  Your personal data will be retained by Controller as long as Controller determines it is necessary to evaluate your application for employment.  Under the GDPR, you have the right to request access to your personal data, to request that your personal data be rectified or erased, and to request that processing of your personal data be restricted. You also have the right to data portability. In addition, you may lodge a complaint with an EU supervisory authority.

Apply Now:

Coinbase is seeking aspiring backend engineers to join our team to build out the next generation of crypto-forward products and features. You will solve unique, large scale, highly complex technical problems, bridging the constraints posed by web-scale applications and blockchain technology. You will help build the next generation of systems to make cryptocurrency accessible to everyone across the globe, operating real-time applications with high frequency, low latency updates, and managing the most secure, dockerized infrastructure running in the cloud.

The Consumer Product Group engineers strive to make the Coinbase retail app the easiest-to-use and fastest experience for accessing the crypto. Wallet is the future of web3 and of Coinbase. Suite of products include: Coinbase app, advance trade, dapps, and staking.

Join Coinbase's Country Expansion team to influence the future of cryptocurrency adoption in Canada. Collaborate with the Country Director, Product Managers, and cross-functional teams to customize the Coinbase app, tailoring it to the Canadian market and strategically shaping Coinbase's presence through innovative features and a customer-first approach.

What you'll be doing:

• Decompose our monolithic Rails app into microservices
• Articulate a long term vision for maintaining and scaling our backend systems.
• Work with engineers, designers, product managers and senior leadership to turn our product and technical vision into a tangible roadmap every quarter.
• Write high quality, well tested code to meet the needs of your customers

What we look for in you:

• You have at least 2+ years of experience in software engineering
• You’ve designed, built, scaled and maintained production services, and know how to compose a service oriented architecture.
• You write high quality, well tested code to meet the needs of your customers.
• You’re passionate about building an open financial system that brings the world together.

Nice to haves:

• You have 3+ years of experience with Golang and MongoDB
• You have knowledge of Protobuff, GRPC, GraphQL, Docker, Ruby on Rails
• You’ve worked on engineering teams in the finance space
• You have knowledge with React or React-Native
• You like to speak in public, and like to perform technical workshops
• You are passionate about blockchain technology and a power user of crypto exchange applications or dapps

Job #: GCBE04CA

*Answers to crypto-related questions may be used to evaluate your onchain experience.

#LI-Remote

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Coinbase is seeking aspiring frontend engineers to join our team to build out the next generation of crypto-forward products and features. You will solve unique, large scale, highly complex technical problems, bridging the constraints posed by web-scale applications and blockchain technology. You will help build the next generation of systems to make cryptocurrency accessible to everyone across the globe, operating real-time applications with high frequency, low latency updates, and managing the most secure, dockerized infrastructure running in the cloud.

The Consumer Product Group engineers strive to make the Coinbase retail app the easiest-to-use and fastest experience for accessing the crypto. Wallet is the future of web3 and of Coinbase. Suite of products include: Coinbase app, advance trade, dapps, and staking.

Join Coinbase's Country Expansion team to influence the future of cryptocurrency adoption in Canada. Collaborate with the Country Director, Product Managers, and cross-functional teams to customize the Coinbase app, tailoring it to the Canadian market and strategically shaping Coinbase's presence through innovative features and a customer-first approach.

What you’ll be doing (ie. job duties):

• Work with Product, Engineering & Design leadership to craft engaging experiences for trading flows for advanced traders while owning end-to-end delivery.
• Implement scalable, extensible, maintainable and high quality code for web and mobile while keeping the customer experience & quality top of mind.
• Add positive energy in every meeting making your coworkers feel included in every interaction. Stay humble & stay hungry to learn!

What we look for in you:

• You have at least 2+ years of experience in developing web apps and shipping user-facing features with JavaScript and modern, component-based JS frameworks like React.
• You've developed and shipped user-facing features using component-based UI frameworks.
• You’re familiar with current trends and best practices in front-end architecture, including performance, security and usability.
• You’re familiar with product and design life-cycles, and collaborating closely with designers, engineers, and product managers.
• You write high quality, well tested code to meet the needs of your customers.

Nice to haves:

• You have at least 2+ years of experience in developing React apps or React Native apps
• You’ve worked on front-end teams in the finance space
• Experience with GraphQL and React Relay for data fetching & rendering
• You have knowledge of Protobuff and GRPC
• You have 2+ years of experience with Golang and MongoDB
• Crypto-forward experience, including familiarity with onchain activity such as interacting with Ethereum addresses, using ENS, and engaging with dApps or blockchain-based services.

Job #: GCFE04CA

*Answers to crypto-related questions may be used to evaluate your onchain experience

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Software Engineer, Frontend - New Product Vertical

We are looking for a software engineer within the Consumer Product Group. In this role, you will be a founding engineering on a new team, designing and launching a new product offering on Coinbase.

What you'll be doing:

• Frontend UX and systems design for the new Coinbase for Business product
• Writing code and building prototypes as needed for the MVP and future vision concepts for Coinbase for Business including international payments, payroll, invoices etc.
• Collaboration across Coinbase teams to launch supporting features - onboarding, multi-user, payment rails, tax, settings, commerce integrations etc.
• Write high-quality, well-tested code to meet customer needs.

What we look for in you:

• You have at least 2+ years of experience in developing web apps and shipping user-facing features with JavaScript and modern, component-based JS frameworks like React.
• You've developed and shipped user-facing features using component-based UI frameworks.
• You’re familiar with current trends and best practices in front-end architecture, including performance, security and usability.
• You’re familiar with product and design lifecycles, and collaborating closely with designers, engineers, and product managers.
• You write high quality, well tested code to meet the needs of your customers.

Nice to haves:

• You've worked on front-end teams in the fintech space
• You have at least 1 year of experience in developing React Native mobile apps or helped move existing native apps to React Native
• Crypto-forward experience, including familiarity with onchain activity such as interacting with Ethereum addresses, using ENS, and engaging with dApps or blockchain-based services.

Job ID# GCFE04US

#LI-Remote

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Are you looking to be part of an early-stage venture and have proven experience in web3 content creation?

Location: Remote. Your team is based in Europe, India, and Canada.

Working Language: English

About the project

The #1 Crypto rewards platform where daily rewards meet smart investing.

Klink is a leading crypto wealth creation platform that innovatively combines quest-based task rewards with strategic investing opportunities on its multi-service platform. Klink provides a unique opportunity for its users to earn cryptocurrencies starting from $0 of personal investment and has already partnered with some of the leading companies in web3.

The company is backed by top-tier VCs in the US & Asia.

Tasks

We are now looking for an ambitious Fullstack Engineer to join the team. You will be joining a team of 20 (12 with technical background) with a live product with over 400,000 users already. As you work on building an innovative solution competing with products on a global scale, you will always be up to date on all the latest technologies and best practices, especially regarding the web3 space.

You will:

• Collaborate on the development of highly scalable Node.js products hosted on cloud-based infrastructure, facilitating access to DeFi opportunities for CeFi users.
• Construct and maintain internal and external RESTful APIs, ensuring swift and seamless updates to our products.
• Develop diverse platforms, optimizing for high throughput and faultlessness in execution.
• Integrate external providers from the FinTech and Blockchain industry to enhance our product offerings.
• Engage in regular communication with the technical lead and the entire team to discuss solutions and innovations.
• Actively participate in code reviews to uphold code quality, maintainability, and adherence to best practices.

Requirements

We do not focus on the time you have spent sitting in the lecture halls of this world but we want to understand what makes you feel comfortable, extraordinarily motivated and suitable to take over this position. We are looking for a team member who feels comfortable working remotely and in English in an international environment with a self-driven “Get stuff done” mindset.

• Experience in serverless architecture and microservices.
• Proven understanding of Blockchain and Web3 solutions.
• Proficiency in Javascript frameworks, with a focus on Typescript (Nest.js, Next.js, Node.js).
• Strong MVP-focused coding skills in any modern programming language.
• Solid understanding of cloud solutions, specifically Amazon Web Services (AWS).
• Good knowledge of data structures, algorithms, and relational databases.
• Familiarity with security best practices in cloud environments.
• Full-stack development experience with a strong proficiency in React.js, Next.js, and NestJS. Expertise in building dynamic, scalable, and high-performance web applications, ensuring seamless integration between front-end and back-end technologies for optimized user experiences and efficient server-side rendering.

Benefits

• Join at an early stage and be involved in decisions that shape the company’s future and the opportunity to build your own success story
• You will have a lot of autonomy and freedom in your role to innovate, test and fail
• Take a trip with an international team of highly skilled individuals who will always support you on this journey

If you want to know more about this opportunity please complete this application with your most recent work profile and we will get back to you ASAP.

We are excited to meet you!

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GR8 Tech is a global product company that provides innovative, scalable platforms and business solutions for the iGaming industry. We have а great experience: GR8 Tech platform successfully handles millions of active players and offers best practices to develop and grow in the gambling industry. We are here to provide great gaming tech to satisfy even greater ambition! We develop complete tech coverage for gambling businesses worldwide, including iGaming platform solutions, consulting, integration, and long-lasting operation services. We are driven by our ambition to make a great product with great people! Together we move the world of iGaming forward — join!About your key responsibilities and impact:

Writing, testing, and debugging code for software applications, ensuring functionality and efficiency; Developing and implementing new features based on project requirements and specifications; Participating in code reviews, providing constructive feedback to ensure code quality and adherence to best practices; Maintaining and updating technical documentation for software development and user guides; Working collaboratively with cross-functional teams, including product managers, designers, and other engineers, to deliver projects; Troubleshooting and resolving software issues and bugs in a timely manner; Optimizing software applications for performance and scalability; Developing and executing unit tests and integration tests to ensure software reliability; Assisting junior engineers with technical guidance and support; Staying updated with the latest technologies and best practices in software development; Contributing to project planning, estimation, and tracking to ensure successful delivery; Ensuring high-quality standards are met through rigorous testing and code reviews; Delivering code to production in a timely manner according to business expectations.

Essential professional experience:

Strong understanding of web page loading, rendering, cross-browser compatibility, and SPA/static web pages; Knowledge of HTTP requests, WebSockets, REST APIs, micro frontend concepts, and basic web security (CORS, OWASP, CSP); Deep knowledge of core JavaScript (event loop, closures, hoisting), modern ES features, asynchronous programming, and DOM manipulation; Strong grasp of static typing, complex types, interfaces, and advanced TypeScript concepts; Expertise in semantic HTML, accessibility, CSS preprocessors, responsive design, and complex animations; Strong knowledge of React core concepts, component design, optimization, and state management (Redux, Recoil, Jotail); Proficiency in Webpack(RC pack), task runners, module federation, and bundle optimization; Expertise in Jest, Playwright, React Testing Library, unit testing, and Chrome DevTools; Experience with npm/yarn and dependency management; Ability to analyze code, debug efficiently, and create POCs for complex issues; Upper-Intermediate or higher proficiency in English.   What we offer: Benefits Cafeteria:

Sports compensation; Medical coverage; Psychological support; Home-office coverage.

Work-life:

Remote work, Coworking compensation; Childcare budget; Maternity leave; Paternity leave; Additional 2 days for family events.

Our GR8 Culture:

Open feedback and transparent direct communications; Growth and development: better every day; High tolerance to experiment and mistakes; Supportive friendly environment.

    Data Protection Information regarding the processing of your personal data in connection with the recruitment and selection process can be found in the Candidate Privacy Notice at https://gr8.tech/candidate-privacy-notice/.

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About Us

Chorus One is at the forefront of Proof-of-Stake networks and decentralized protocols, helping secure billions in assets for tens of thousands of customers and institutions worldwide.

Our mission? To drive freedom and innovation through cutting-edge decentralized technologies.

We’re a global powerhouse of 75+ talented individuals from 25+ countries, united by a shared passion for excellence, radical transparency, and continuous growth. But it’s not just about results—we believe in treating each other with kindness and generosity while tackling some of the industry’s most exciting challenges.

If you’re ready to make an impact in a collaborative, high-energy team redefining the future of blockchain infrastructure, we want to hear from you!

Position Overview

As a Frontend Software Engineer, you will lead the development of our user-facing applications, ensuring an exceptional experience for our customers and stakeholders. You’ll work on high-impact projects like our OPUS Pool Ethereum staking portal and tools that enhance staking for our users. Collaborating closely with product managers, designers, and backend engineers, you’ll play a key role in delivering intuitive, performant, and scalable solutions.Your work will directly shape the way thousands of users interact with our staking services and products.

Our Tech Stack

Our frontend applications are built with TypeScript and React.js (Next.js), leveraging modern tools for fast and efficient development. While your primary focus will be on the frontend, you may occasionally contribute to backend tasks, which utilize Python, Go, Rust, Postgres for databases, and Kubernetes for deployment.

Key Responsibilities:

• Lead Frontend Development: Take ownership of frontend initiatives, proactively driving development efforts, ensuring high-quality standards, and fostering collaboration across teams.
• Contribute to Open-Source SDK: Actively contribute to our open-source staking SDKs, supporting multiple blockchain ecosystems, including Ethereum, Solana, Cosmos, Ton, Near, and others.
• Develop Staking DApps: Build intuitive staking applications by connecting wallets, crafting transactions, and creating seamless user interfaces that abstract away blockchain complexities.
• Support and collaborate: Review and discuss engineering designs, review code, help fellow engineers, and mentor them on a technical level.

Job requirements

What we are looking for:

• 4+ years experience as a Front End engineer.
• Strong Typescript knowledge and experience working with React.js.
• Experience working on the back-end using Python, Rust, Go or other languages.
• Experience working with databases
• Good understanding of security principles.
• Having worked on a user-facing product before, operating and maintaining applications in production.
• Strong communication skills and ownership to drive new features independently.
• You are able to work in the following time zone: Switzerland ± 6 hours.
• Experience working with blockchain technologies, alternatively passion for learning.

What We Offer:

🌱 Growth & Learning

We’re committed to your development! Benefit from an annual 3,000 CHF learning budget that goes beyond just conferences—supporting your physical, emotional, and mental well-being too. Attend up to two conferences a year to dive deeper into the Web3 space and connect with the community. Plus, jumpstart your crypto journey with our $1,000 Crypto Starter Kit to explore and engage with cryptocurrencies hands-on.

🤝 Collaborative Culture

Collaboration is woven into our DNA. We thrive in multiplayer settings, ensuring every voice contributes to our mission. Connect across teams through our buddy programs, regular virtual coffee chats, and biannual retreats, which offer unparalleled opportunities to build stronger relationships while tackling some of the industry’s most exciting challenges.

✈️ Retreats in Iconic Destinations

Twice a year, we bring the entire team together for all-expenses-paid retreats in inspiring locations. Past retreats have taken us to **Kenya, the USA, South Korea, Switzerland, Spain, Turkey, Thailand,**Dubai and Japan. Our next stop? Budapest, Hungary! These retreats are designed to recharge, connect, and spark innovation.

🏡 Work From Anywhere

Embrace remote flexibility that empowers you to work from anywhere in the world. Prefer a coworking space? We’ve got you covered with a 500 CHF/month coworking budget. And for those growing their families, enjoy paid parental leave to ensure your personal and professional lives align seamlessly.

🗣️ Radical Transparency

We practice radical candor, fostering an environment of open, honest feedback that helps us grow individually and as a team. Expect a culture where learning from each other is not just encouraged—it’s celebrated.

💸 Compensation & Equity

We offer a competitive fixed salary in your preferred local currency or stable coins, complemented by stock options, giving you a stake in the exciting future we’re building together. (USD 100k - 140k) + equity.

💼 Employment

We offer flexibility to suit your individual needs. With the ability to provide local employment in over 150 countries, you’ll have access to local benefits tailored to your region. Prefer contractor status instead? That’s an option too. During the offer, we work with you to determine the best arrangement, ensuring your experience aligns with your personal and professional preferences.

✨ Curious to see what life at Chorus One is really like? Check out these videos for a behind-the-scenes look:

• Culture at Chorus One