Senior Blockchain / Solidity Developer

Responsibilities: — Develop smart contracts and blockchain solutions focusing on Ethereum, EVM-compatible chains including Arbitrum and other Layer 2 networks. — Work on DeFi projects involving AMM logic, decentralized trading and settlement mechanisms, pricing mechanisms, and oracle integrations. — Utilize tools such as Foundry and Hardhat for smart contract development and testing. — Optimize gas usage and ensure security of smart contracts. Bonus skills: — Experience with prediction markets, decentralized exchanges (DEX), smart contract audits. — Frontend experience with React and Web3 integration. — Experience taking blockchain products from prototype to MVP and production. Project: Development of a Web3 trading platform, advancing an early-stage prototype to a fully functional MVP. Requirements: — Minimum 5 years of experience in blockchain development. — Strong proficiency in Solidity and smart contract development. — Knowledge of Ethereum, EVM, Arbitrum or other Layer 2 networks. — Experience with smart contract testing, gas optimization, and security best practices. Conditions: — Remote work worldwide. — Contract employment with initial paid contract and potential for long-term cooperation. — English proficiency at B2+ level. — Only freelancers considered; outsourcing and recruiting companies are not accepted.