Solidity / Web3 Engineer
Core
Design, develop, and deploy secure Solidity smart contracts and token infrastructure for a blockchain product ecosystem.
Role type
Senior Solidity / Web3 Engineer
Builds
ERC-20 token infrastructure, DEX integrations, and on-chain systems
Domain
Blockchain / DeFi
Deliverable
production ML models | product features | infrastructure
Required skills
Solidity 0.8.x, EVM execution model, Web3.js, OpenZeppelin contracts, Hardhat, Uniswap V2/V3 integration, smart contract security patterns, ABI encoding/decoding
Preferred skills
DeFi systems (perpetuals, margin trading), multi-chain deployment (Base, Arbitrum, Optimism), security tools (Slither, Echidna, Foundry), gas optimization
Technologies
Solidity, Web3.js, Ethers.js, Hardhat, OpenZeppelin v5, Chai/Mocha, Uniswap V2/V3 Router, Viem
Responsibilities
Design, develop, and deploy Solidity smart contracts on EVM-compatible networks; Build and maintain ERC-20 token infrastructure including staking, governance, and vesting mechanics; Integrate smart contracts with the frontend using Web3.js; Implement DEX integrations using Uniswap V2/V3; Write comprehensive test suites using Hardhat and Chai; Collaborate with the Node.js backend team for ABI compatibility; Conduct or coordinate security audits before mainnet deployment
Seniority
Senior, hands-on IC