Experienced Web3 & Blockchain Developers (React, Solidity, Ethers.js, web3.js)

Experienced Web3 & Blockchain Developers (React, Solidity, Ethers.js, web3.js)

Experienced Web3 & Blockchain Developers (React, Solidity, Ethers.js, web3.js)

Upwork

Upwork

Remote

2 hours ago

No application

About

We're seeking senior Web3 developers to finalize an investor's dApp project. The ideal candidates will have a solid understanding of blockchain technologies and dApp architecture Responsibilities: •⁠ ⁠Build and maintain frontend interfaces (React, Web3.js/Ethers.js) •⁠ ⁠Develop backend services and APIs to support blockchain interaction •⁠ ⁠Optimize dApp performance, usability, and security •⁠ ⁠Stay up-to-date with DeFi, NFTs, DAOs, Layer 2 solutions, and scaling technologies Requirements: •⁠ ⁠Strong experience with Solidity, Hardhat/Truffle, and Ethereum-compatible chains (Polygon, Arbitrum, BNB, etc) •⁠ ⁠Proficiency in JavaScript, React •⁠ ⁠Experience with Web3.js, Ethers.js, or similar libraries •⁠ ⁠Understanding of backend development (Node.js, Express, or similar) •⁠ ⁠Knowledge of databases (MongoDB, PostgreSQL, Firebase) •⁠ ⁠Familiarity with IPFS, Graph, or other decentralized storage/indexing solutions •⁠ ⁠Knowledge of security best practices in Web3 development Looking forward to meeting the best talents