Looking for a Middle/Senior Smart Contract Engineer for a product team in the blockchain and DeFi space.

Format: hybrid, Moscow Employment: full-time Income: $4,000–6,500 gross depending on grade

Tasks: — design and develop production smart contracts; — implement vault mechanics, tokenized positions, financial accounting, roles, and limits; — integrate DeFi protocols; — manage the full cycle of changes: from technical design and implementation to deployment and support; — write unit, integration, and fork tests in Hardhat, fuzz and invariant tests in Foundry; — conduct security reviews, prepare contracts for audit, and address feedback; — gradually get involved in production tasks in Rust. We expect: — experience in developing and supporting non-trivial smart contracts in mainnet or a comparable production environment; — production experience with Solidity and a deep understanding of EVM; — confident work with Hardhat; — practical knowledge of DeFi; — understanding of smart contract security risks; — English for working with documentation and technical communication; — interest in developing in Rust. Will be a plus: — participation in audits, bug bounties, or security research; — experience with smart contract analysis and verification tools; — knowledge of Yul/assembly, L2, bridges, or cross-chain solutions; — experience with Rust, indexers, simulation, or transaction tooling. What we offer: — fixed compensation; — influence on architecture and technical decisions; — work with production contracts and DeFi integrations; — high level of ownership; — opportunity to expand profile from Solidity to Rust and systems development.