You'll architect and audit smart contracts for some of the most ambitious Web3 projects on the market - DeFi protocols, NFT platforms, DAO infrastructure, and cross-chain systems. Security and precision are non-negotiable here.
Responsibilities
Write, test, and audit Solidity smart contracts for DeFi, NFT, and DAO protocols
Design secure, gas-optimised contract architectures
Perform security reviews and vulnerability assessments
Integrate contracts with frontend clients using ethers.js / wagmi
Stay current with EIPs, protocol upgrades, and best practices
Support client teams through deployment and post-launch operations
Requirements
4+ years of Solidity development with mainnet deployment experience
Deep understanding of EVM internals, gas optimisation, and common attack vectors
Proficiency with Hardhat or Foundry testing frameworks
Experience with OpenZeppelin libraries and proxy patterns
Robust understanding of DeFi primitives (AMMs, lending, staking)
Nice to have
Experience with Layer 2 networks (Arbitrum, Optimism, Base)
Knowledge of Rust / Anchor for Solana development
Formal verification or audit report writing experience
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