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Motivated
- Passionate about building world-class, performant applications that will be used by thousands.
- Excited about the potential of using web3 tech built on Ethereum and enthusiastic about the power of decentralization, neutrality, and sovereignty.
- Provide technical leadership and management skills to additional developers if need be.
- Ready to work alongside a developer team consisting of one additional developer and a product designer, alongside our broader Devconnect Team.
Qualified
- Extensive experience in full-stack web development, including familiarity with NextJS, React, Tailwind, Express/Node, Prisma, Postgres, Sqlite, but generally being able to solve problems in any part of the stack comfortably.
- A solid understanding of blockchain fundamentals, e.g. understanding Ethereum, L2’s, EVM, wallets, ERC standards, account/chain abstraction, etc.
- Hands-on experience with Ethereum App development (Viem, Wagmi, ethers.js, SIWE, WalletConnect) and UX/wallet standards. Some smart contract experience is nice to have, but not necessary
- Have developed websites and/or web apps into production
- Can consistently produce a clearly-documented and collaborative codebase (with the help of AI) that can easily integrate various stakeholders, other open-source projects, and external service providers.
- Effective while working under pressure with hard deadlines, unknown issues, rapid iteration, and a need for creative problem solving.
- Have an ownership mentality. When you take on a task, you get it done. You proactively troubleshoot problems blocking your path, and the problems blocking the paths of others.
Available
- Able to spend 40 hours per week in this role until at least Devconnect ARG in November 2025 and possibly beyond.
- Able to meet virtually (video calls) and respond to messages at varying hours of the day to accommodate a globally-located, remote team across time zones (largely based in the Americas and European time zones).
- Have a valid passport and able to travel to Argentina for Devconnect, and other community events around the world.
- Fluent in English (writing and speaking).
After 1 month in this position…
- You have familiarized yourself with the needs and requirements for Devconnect Argentina which have been largely defined by the help of the in-house Dev team, ticketing team, operations team, and yourself.
- You have contributed to the Devcon/nect monorepo to help prepare for the first phase of our website (static marketing and communication).
- You understand the various phases and contributed to the roadmap and timelines to accommodate for the different phases (announcement, event planning and curation, ticketing, etc.) and are already at work to implement or plan ahead these deliverables in a timely, swift manner.
- You understand the types of web3 enabled features we possibly plan to implement into the website (ZuPass ticketing, crypto payments, prediction markets, etc.), are familiar with our dogfooding initiatives and Devcon Improvement Proposal (DIP) process and already begun integrating these apps into the website.
- You have adopted all project management methodology, and communication tools our team uses (Notion, Figma/Zeplin, Telegram, Discord, Google Docs, etc).
- You have developed a solid relationship with the whole Devcon team, have an understanding of the various initiatives within the Devcon team, and are willing to help where you can.
Notes
- Our team and this position are fully remote (except being in-person during Devconnect).
- It will be important to be willing to have some meetings very early in the morning or late at night, as our team is all located in different time zones.
Apply Now:
Burhani Media Solutions LLC is seeking a highly skilled Full Stack Blockchain Developer to join our team. The ideal candidate will have expertise in developing and deploying smart contracts, decentralized applications (dApps), and full-stack blockchain solutions. If you have a strong background in blockchain development, smart contract programming, and full-stack web development, we want to hear from you!
Responsibilities:- Design, develop, and deploy secure smart contracts using Solidity or Rust.
- Build and integrate decentralized applications (dApps) on blockchain platforms like Ethereum, Binance Smart Chain, or others.
- Develop and maintain backend services using Node.js, Python, or PHP.
- Create responsive and dynamic frontend interfaces using React, Next.js, Vue.js, or Angular.
- Work with Web3.js, Ethers.js, or other blockchain libraries for blockchain interactions.
- Implement blockchain security best practices to ensure smart contract integrity and protect against vulnerabilities.
- Optimize gas fees, transaction costs, and blockchain performance.
- Collaborate with the design and product teams to deliver seamless user experiences.
- Conduct code reviews, testing, and debugging to ensure high-quality production-ready code.
- Proven experience as a Full Stack Blockchain Developer.
- Strong proficiency in Solidity, Rust, or other smart contract languages.
- Hands-on experience with Ethereum, Polygon, Binance Smart Chain (BSC), or other blockchain networks.
- Proficiency in backend development (Node.js, Python, or PHP with Laravel).
- Strong knowledge of frontend frameworks like React.js, Next.js, Vue.js, or Angular.
- Experience with Web3.js, Ethers.js, or similar libraries.
- Familiarity with IPFS, The Graph, or Layer 2 solutions is a plus.
- Understanding of blockchain security best practices (reentrancy, front-running, etc.).
- Experience with smart contract audits is a plus.
- Strong problem-solving and communication skills.
- Prior experience working with DeFi, NFTs, or GameFi projects.
- Familiarity with Docker, Kubernetes, or cloud infrastructure.
- Experience with Hyperledger, Cosmos, or Polkadot ecosystems.
- Hourly rate: $25 - $40, based on experience and expertise.
- Flexible work hours.
- Opportunity to work on cutting-edge blockchain projects.
If you’re passionate about blockchain development and want to be part of a dynamic team, apply now! 🚀
Apply Now:
Consensys is the leading blockchain and web3 software company founded by Joe Lubin, CEO of Consensys and Co-Founder of Ethereum. Since 2014, Consensys has been at the forefront of innovation, pioneering technological developments within the web3 ecosystem.
Through our product suite, including the MetaMask platform, Infura, Linea, Diligence, and our NFT toolkit Phosphor, we have become the trusted collaborator for users, creators, and developers on their path to build and belong in the world they want to see.
Whether building a dapp, an NFT collection, a portfolio, or a better future, the instinct to build is universal. Consensys inspires and champions the builder instinct in everyone by making web3 universally easy to use and develop on.
Our mission is to unlock the collaborative power of communities by making the decentralized web universally easy to access, use, and build on.
You’ll get to work on the tools, infrastructure, and apps that scale these platforms to onboard one billion participants and 5 million developers. You’ll be constantly exposed to new concepts, ideas, and frameworks from your peers, and as you work on different projects — challenging you to stay at the top of your game. You’ll join a network of builders that reaches the edge of our ecosystem. Consensys alumni have moved on to become tech entrepreneurs, CEOs, and team leads at tech companies.
About MetaMask
We’re building for a future where the internet and world economy empowers people through interactions based on consent, privacy, and free association. Where both communities and individuals flourish. To accomplish that, we’re working hard to make web3 accessible for everyone around the world.
MetaMask is both a crypto wallet and a gateway to the decentralized web. Our tools help people create communities, play video games, access financial services, make payments, invest in assets, protect against economic turmoil, and more. Our browser extension and mobile platforms meet the needs of millions of users and developers across the world.
Originally a humble key manager, today MetaMask serves over 30 million monthly active users as a decentralized application development platform, an aggregator of decentralized cryptocurrency exchanges, and a decentralized identity manager.
MetaMask Card, a newly formed team, is on a mission to integrate crypto with traditional payment systems. As a Software Engineer on our team, you'll be at the forefront of developing and enhancing features that make using crypto assets outside the crypto universe seamless and intuitive.
What you’ll do
We are looking for a Software Engineer who's eager to pioneer the next wave of crypto adoption by developing innovative features for MetaMask Card and refining our current offerings.
This will include work related to the MetaMask Card offering and how we can facilitate the integration of web3 with traditional payment methods. Many of the activities we focus on are related to user experience (mobile / web / browser extension) and API integration.
You'll be responsible for developing new features and managing various partners, payment methods, and crypto assets. Your goal is to streamline the integration process while curbing the growth of technical debt. Concurrently, you'll engage in research to conceive innovative features.
Would be great if you brought this to the role
Ideal candidate
You're well-acquainted with the Ethereum ecosystem and adept at building products across mobile, web, and backend platforms. With a keen sense of user experience, you're dedicated to enhancing it at every turn.
Would be great if you brought this to the role
- 3+ years of experience as a Full Stack Software Engineer working on Production applications
- Experience with mobile development (React Native)
- Experience with web development (React)
- Experience with back-end development (Node/Express/NestJS)
- Experience working on agile projects in an Agile environment
- Experience working in CI/CD setup
- Experience working in a distributed, remote team environment
- Excellent communication skills
- Writing good technical documentation
- Located in North or South America/able to work PT or ET business hours
Bonus point for any of:
- Understanding of how traditional debit/credit card protocols work
- Understanding of the Ethereum ecosystem
- Experience with third-party integration (web views, APIs, OpenAPI specifications…)
- General interest in DevOps topics / experience with Docker and/or Kubernetes and deploying cloud infrastructure (AWS / Azure)
- Interest in streamlining and automating recurring processes
- Blockchain / smart contract development: Solidity / Ethereum, Web3.js or Ethers.js library
- Experience using or working with decentralized applications or web3 protocols
- BSc/MSc in Computer Science or related subject
Don't meet all the requirements? Don't sweat it. We’re passionate about building a diverse team of humans and as such, if you think you've got what it takes for our chaotic-but-fun, remote-friendly, start-up environment—apply anyway, detailing your relevant transferable skills in your cover letter. While we have a pretty good idea of what we need, we're ready for you to challenge our thinking on who needs to be in this role.
In the rapidly evolving Web3 space, we believe that everyone is a builder. This expansive paradigm requires a range of backgrounds, talents, skills, and experiences to influence and shape the future. At Consensys, this diversity fuels our ability to shift control and redefine the realm of possibility. We are committed to ensuring that our technology empowers people and communities with economic and political agency through decentralized technologies. We welcome the range of perspectives and differences and celebrate them. We're excited to see how your unique skills as a builder can contribute to our vision, drive innovation, and help us shape a more inclusive Web3.
Consensys is an equal opportunity employer. All employment decisions are made without regard to race, color, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, genetic information, religion, disability, medical condition, pregnancy, marital status, family status, veteran status, or any other characteristic protected by law. Consensys is aware of fraudulent recruitment practices and we encourage all applicants to review our best practices to protect yourself which can be found (https://consensys.io/careers/best-practices-to-avoid-recruitment-fraud/).
Apply Now:
Job Summary:
Join our team to architect and integrate blockchain solutions, focusing on wallet integrations and secure smart contract interactions. Leverage your expertise in Web3 libraries to develop cutting-edge DApps and ensure seamless, secure user transactions.Key Responsibilities:
- Wallet Integrations: Implement popular wallet providers (MetaMask, Coinbase Wallet, WalletConnect), manage wallet injection events, and handle modals.
- Smart Contract Interaction: Work with smart contracts using tools like Web3.js or Ethers.js; collaborate on decentralized application (DApp) development.
- Troubleshooting & Debugging: Diagnose and resolve blockchain-related integration issues, ensuring compatibility across various wallet providers.
- Security Best Practices: Maintain secure wallet integrations, protect user data, and uphold safe transaction protocols.
Requirements:
- Proven experience in blockchain/Web3 development (Solidity, EVM-compatible chains).
- Familiarity with decentralized application stacks, including front-end integration.
- Strong problem-solving skills for debugging on-chain/off-chain interactions.
- Awareness of security standards and best practices in blockchain.
Preferred Qualifications (Senior Level):
- Experience leading blockchain projects from ideation to deployment.
- In-depth knowledge of scaling techniques, layer-2 solutions, and advanced Web3 tooling.
- Track record of architecting secure, production-ready DApps.
Ready to innovate in the Web3 ecosystem?
Hybrid Work Structure: Enjoy the flexibility of a hybrid work environment—split your time between working from home and in the office.
Independence & Ownership: Take ownership of your work with the freedom to make decisions that directly impact the success of the project.
Open to Ideas: Your voice matters. We encourage creative input and are always open to listening to your ideas and solutions.
Structured & Responsible: We need people who are independent but also responsible and organized to ensure things run smoothly and on schedule.
Apply Now:
About Us:
Khantech is an IT startup dedicated to redefining the iGaming experience with cutting-edge technology and creative solutions. We are a team of Engineers, Designers, and gaming enthusiasts working remotely within Europe and Asia or in-house in our UAE/Dubai premises.
About the product:
We are looking for a highly skilled Full Stack Blockchain Developer to join our team. The ideal candidate will be proficient in both blockchain development and full-stack web development. You will be responsible for developing decentralized applications (dApps), smart contracts, and the backend and frontend of blockchain-based systems.
Job Responsibilities:
Design, develop, and deploy smart contracts and decentralized applications (dApps) on various blockchain platforms (Ethereum, Binance Smart Chain, etc.).
Build and maintain front-end interfaces using modern web technologies (React, Angular, Vue.js, etc.).
Integrate front-end with back-end APIs, databases, and blockchain solutions.
Develop and implement secure, scalable, and efficient blockchain-based systems.
Troubleshoot, debug, and optimize blockchain applications and smart contracts.
Collaborate with cross-functional teams including product managers, designers, and other developers to define and implement new features.
Stay up-to-date with emerging trends and technologies in blockchain, DeFi, and Web3.
Ensure compliance with security protocols and best practices.
Contribute to codebase and manage version control using Git.
Key requirements:
3+ years of experience in full-stack development.
Strong knowledge of cryptographic principles and blockchain architecture.
Proficient in web technologies (HTML5, CSS3, JavaScript, TypeScript).
Experience with databases (SQL and NoSQL).
Knowledge of version control systems like Git.
Experience with testing frameworks for smart contracts (Truffle, Hardhat, etc.).
Familiarity with deploying applications on cloud platforms (AWS, GCP, etc.).
Proven experience working with blockchain technologies (Ethereum, Solana, Binance Smart Chain, etc.).
Hands-on experience with smart contract development (Solidity, Rust, Vyper, etc.).
Experience building decentralized applications (dApps) and integrating them with blockchain networks.
Familiarity with Web3.js, Ethers.js, or similar JavaScript libraries for blockchain interaction.
Experience with backend development frameworks like Node.js, Express, Django, or Flask.
Proficiency in front-end technologies such as React.js, Vue.js, or Angular.
Expected Soft skills (3-5 the most important attributes)
Strong problem-solving and analytical skills.
Excellent communication and teamwork skills.
-
Ability to quickly learn new technologies and adapt to changing environments.
Benefits:
🚀Competitive Salary
📚Comprehensive Training and Career Development through our talent management program
🌐Fully remote or Comfortable office in Dubai, OAE/Erevan, Armenia
🏖️Generous Paid Vacation
Apply Now:
Hey Web3 builders! We’re looking for a UI/UX Designer with React frontend & illustration skills to help design and develop a presale token website that blends meme culture, real utility and sales focused user experiences.
If you love designing clean crypto interfaces, building interactive dApps, and creating meme-worthy visuals, this gig is for you! 🐸🔥
🛠 What You’ll Be Working On:
- Designing a fun, intuitive, and high-converting UI/UX for our presale platform.
- Creating meme-inspired branding, marketing visuals, and illustrations.
- Creating a sales focused User Interface
- Developing React-based frontend components for our presale sales page.
- Ensuring a seamless Web3 experience (wallet connections, contribution tracking, and claiming system).
- Working alongside Web3 developers & the marketing team to bring the project to life.
💡 What We’re Looking For:
✅ Strong UI/UX design skills (Figma, Adobe XD, or similar).
✅ Understanding of direct response marketing and page structures to call for action✅ Frontend development experience (React, Next.js, TailwindCSS, or Styled Components).✅ Illustration & meme design skills (ability to create viral visuals).✅ Familiarity with Web3 libraries (Ethers.js, WalletConnect, RainbowKit, etc.).✅ Experience working on presale tokens, meme coins, DeFi, or NFT projects is a huge plus.Apply Now:
Gelato Network
Remote
Gelato is an all-in-one Ethereum Rollup as a Service Platform built without limits. Designed to be super-fast, incredibly secure, and infinitely scalable, Gelato rollups allow anyone to build and deploy their fully serviced Layer 2 chains on Arbitrum, Optimism, Polygon, Celestia and more at a pace natively integrated with Web3’s favorite tools and services like Etherscan, The Graph, Pyth, Layer Zero and many more launching a production-ready web3 development environment from the Genesis block.
What we offer:
- Join one of the most technically robust teams in the crypto space, operating in a fully remote environment with our headquarters located in the crypto hub of Zug, Switzerland.
- Play a pivotal role in shaping the future of blockchain, by contributing to the development of Gelato’s Rollup-As-A-Service Platform, already trusted by leading projects like Lisk and Astar Network.
- Dive deep into cutting-edge Web3 technologies with exposure to Gelato’s premier Middleware Services stack, including Gelato Web3 Functions and Gelato Relay, foundational to top-tier applications such as MakerDAO, Connext, Abracadabra, and Pancakeswap.
- Earn and have a say with the GEL Token package, granting you a stake in the network’s future and a voice in the strategic direction of the project.
- Be backed by the best, with support from world-class investors including Dragonfly, IOSG, Galaxy Digital, ParaFi, Gnosis, and renowned figures like Stani Kulechov among others, securing your position at the forefront of the Web3 revolution.
Responsibilities:
- Design and develop scalable Web3 backend APIs, enabling seamless interaction between backend and frontend applications and the blockchain, ensuring high availability and performance for millions of users worldwide.
- Develop and maintain backend services for smart contract interaction, ensuring seamless integration and communication between smart contracts and the application layer. Focus on creating robust APIs and middleware that facilitate secure and efficient interactions with the blockchain, handling tasks such as event listening, transaction processing, and on-chain data retrieval.
- Specialize in smart contract lifecycle management, from writing and deploying smart contracts to conducting automated testing and security audits. Ensure the reliability and security of smart contracts through rigorous validation processes, upgrades, and optimizations to support flawless execution on the blockchain.
- Optimize blockchain data processing, implementing efficient methods for ingesting, storing, and querying on-chain data to support real-time analytics and user-facing applications.
- Collaborate on cross-functional projects, working closely with front-end developers and product teams to integrate blockchain functionalities into user-centric applications, enhancing overall user experience.
- Implement best practices for blockchain security, staying ahead of the latest in smart contract vulnerabilities, and employing rigorous security measures and auditing processes to safeguard all deployed contracts and back-end systems.
- Advance our infrastructure-as-code approach, taking a hands-on role in the continuous integration and delivery pipelines, ensuring that all back-end services are scalable, reliable, and secure.
- Drive innovation in Web3 technologies, researching and integrating new blockchain protocols and tools to keep the platform at the cutting edge of decentralized applications.
Requirements
- You can work autonomously on research, spec, implementation, deployment, monitoring and patching your code
- You are comfortable with Software Engineering (and a little bit of DevOps)
- You’ve extensive experience in shipping production-grade code that handles thousands of user interactions/transactions
- 4 years experience with either Node.js/TypeScript
- 4 years experience with highly scalable Web API engineering
- Strong experience with high throughput Database systems
- Strong experience with maintaining scalable microservices systems
- Good experience with distributed systems and/or container orchestration
- Strong interest in Web3/crypto industry
- Experience using crypto applications (e.g. Uniswap, Aave, etc.)
Not essential, but big bonus points:
- Experience with Web3 libraries and backend development (e.g. ethers.js, viem)
- Experience in Solidity smart contract development
- Knowledge about the inner workings of the EVM
- Experience with P2P systems and libraries (e.g. libp2p)
Technologies we use and teach:
- Node.js/TypeScript
- Golang/Rust
- GETH and its various Rollup forks
- libp2p
- RabbitMQ
- Redis
- PostgreSQL / TimescaleDB
- GCP (less AWS)
- Ethers.js
- Subgraphs
- Solidity
Benefits
- Fully remote team, with team members in Zug, Paris, New York, London, Singapore, and many other cool places.
- Competitive package with a generous token package. Get a share of the network token and be able to participate in the Gelato DAO
- Chance to participate in shaping the future of web3 by working together with the biggest projects in this space that use Gelato such as Optimism, Polygon, Arbitrum, Celestia and Eigenlayer
- World-class Investors - We are backed by the community, including industry-leading experts such as Dragonfly, ParaFi, Nascent, IDEO, IOSG and Galaxy Digital