Remote Solidity Engineer: Build Secure DeFi Protocols

Jack & Jill/External ATS; Remote; GBP 70,000 - 100,000; Full time

Job summary

A fast-growing Web3 venture studio is seeking a Solidity Engineer to lead the development of secure, scalable smart contracts. As part of a high-velocity team, you will design sophisticated decentralized protocols and optimize gas efficiency. The ideal candidate will have proven experience with Ethereum smart contracts, a deep understanding of blockchain security, and proficiency in development frameworks like Hardhat. This role offers a chance to shape architectural integrity and influence multiple high-profile Web3 initiatives in a remote work environment.

Benefits

Work with top-tier VC-backed projects

Impact architectural integrity

Join a dynamic, high-velocity team

Qualifications

• Proven experience building and deploying complex smart contracts on Ethereum or EVM-compatible chains.
• Deep understanding of blockchain security patterns, common vulnerabilities, and DeFi primitives.
• Strong proficiency in modern development frameworks.

Responsibilities

• Design, develop, and deploy production‑grade smart contracts using Solidity.
• Conduct rigorous internal testing and coordinate with external firms for security audits.
• Optimize contract performance and gas usage for high‑traffic decentralized applications.

Skills

Smart contract development

Blockchain security understanding

Gas optimization

Collaboration with cross-functional teams

Tools

Solidity

Hardhat

Foundry

Truffle

Job description

A fast-growing Web3 venture studio is seeking a Solidity Engineer to lead the development of secure, scalable smart contracts. As part of a high-velocity team, you will design sophisticated decentralized protocols and optimize gas efficiency. The ideal candidate will have proven experience with Ethereum smart contracts, a deep understanding of blockchain security, and proficiency in development frameworks like Hardhat. This role offers a chance to shape architectural integrity and influence multiple high-profile Web3 initiatives in a remote work environment.