| Job Position | Company | Posted | Location | Salary | Tags |
|---|---|---|---|---|---|
Belmont Lavan | United States | $54k - $87k | |||
Belmont Lavan Ltd | United States | $54k - $87k | |||
travoom | Austin, TX, United States | $84k - $150k | |||
Coinbase | Remote | $180k - $212k | |||
| Learn job-ready web3 skills on your schedule with 1-on-1 support & get a job, or your money back. | | by Metana Bootcamp Info | |||
Launchpadtechnologiesinc | Remote | $80k - $100k | |||
Mysten Labs | United States | $200k - $230k | |||
Mysten Labs | United States | $200k - $230k | |||
Falconx | Remote | $106k - $126k | |||
Kraken | European Union | $106k - $114k | |||
Kraken | United States | $127k - $203k | |||
Improbable | London, United Kingdom | $100k - $118k | |||
Taxbit | Remote | $200k - $260k | |||
NICK AI | Remote | $100k - $180k | |||
Crossmint | United States | $105k - $111k | |||
MedToken | Remote | $50k - $72k |
We are seeking an experienced Blockchain / Web3 Developer who will design, build, test and deploy smart contracts, integrate them with front-end and back-end systems, and ensure high standards of security, performance, and usability. You will collaborate with product, UX, frontend, and backend teams to deliver production-ready features, contribute to architecture decisions, and continuously improve our Web3 stack.
Key Responsibilities
- Design, write, and deploy secure smart contracts
- Implement token standards (ERC-20, ERC-721, ERC-1155) and upgradeable contracts using libraries like OpenZeppelin
- Optimise contracts for gas usage, performance, and security, including audits and peer reviews
- Integrate Web3 libraries with front-end applications and wallets
- Develop backend services / APIs that interact with on-chain and off-chain data.
- Work with Layer 2 / roll-ups / scaling solutions, bridges, and/or cross-chain integrations where required
- Write automated tests, maintain CI/CD pipelines, and ensure robust coverage and code quality
- Maintain clear technical documentation, and mentor more junior engineers
- 5 - 8+ years experience in blockchain / Web3 development
- Strong Solidity skills; experience with EVM chains; familiarity with non-EVM is desirable
- Proficiency in Web3 tools: Hardhat, Truffle, Foundry, etc.
- Experience with front-end technologies (React, Next.js )and backend
- Good grasp of REST / GraphQL APIs, database work (SQL / NoSQL), and decentralised storage
- Solid understanding of Web3 security best practices
- Ability to work in an agile, collaborative team; good communication skills in English
- Experience with gas-efficient contract design and Layer-2 roll-ups
- Prior exposure to zero-knowledge proofs, account abstraction, or decentralised identity (DID) systems
- Open source contributions or code samples / portfolio of deployed smart contracts or projects
- Experience in marketplace / escrow / auction mechanics
What does a React developer in web3 do?
A React developer in the context of web3 is a developer who is using the React JavaScript library to build user interfaces for decentralized applications (dApps) that run on the Ethereum blockchain
These dApps often use smart contracts to facilitate transactions and other interactions on the Ethereum network
Overall, the role of a React developer in web3 involves using your skills in React development to help build cutting-edge decentralized applications that leverage the power of the Ethereum blockchain
As a React developer in web3, some of your responsibilities might include:
- Integrating the dApp with the Ethereum blockchain. This might involve using tools like web3.js and Ethers.js to connect to the Ethereum network and interact with smart contracts.
- Building the user interface for a dApp using React. This could involve creating components for the various elements of the dApp, such as buttons, forms, and other input elements.
- Implementing features that are specific to decentralized applications, such as handling cryptocurrency transactions and displaying data from the blockchain in a user-friendly way.
- Collaborating with other members of the development team, such as blockchain engineers and designers, to ensure that the dApp functions properly and meets the needs of the end users.