Web3 Developer
This job is no longer available. But fear not, we have dozens of other open roles available. Click here to start your search again, or learn more about our freelance opportunities.
Job Description
Web3 Developer (Contract) – Build the Future of Decentralization
We’re hiring a Web3 Developer for a contract role to work on cutting-edge dApps, smart contracts, and cross-chain solutions. Join a fast-moving team tackling DeFi, NFTs, and Layer 2 scaling.
Responsibilities
- Implement meta-transactions using EIP-2771 for gasless transactions.
- Optimize Solidity contracts by reducing storage operations and leveraging calldata.
- Develop a modular contract architecture for cross-chain asset bridging.
- Integrate multi-signature wallets (Gnosis Safe) for on-chain treasury management.
- Enhance security with fuzz testing (Echidna) and formal verification.
- Collaborate with front-end engineers to integrate Web3.js/ethers.js.
Requirements
- Expertise in Solidity, Hardhat, and Foundry.
- Strong understanding of gas optimization and Solidity assembly (Yul).
- Experience with DeFi protocols, cross-chain messaging, or NFT marketplaces.
- Familiarity with account abstraction (ERC-4337) and Layer 2 rollups.
- Security-first mindset with experience in audits and testing.
Why Join Us?
✅ Competitive contract rates + token incentives.
🌍 Remote-first, flexible work environment.
🚀 High-impact projects with top-tier blockchain engineers.
💡 Opportunities for hackathons, dev grants, and open-source contributions.