Smart Contract Engineer

EMCD is a global crypto infrastructure company powering millions of users worldwide. Our ecosystem combines a top-7 global mining pool, a secure multi-currency wallet, high-yield crypto savings, and an instant P2P exchange — all in one seamless app. Were expanding our DeFi capabilities and are looking for a Smart Contract Engineer to build and operate on-chain yield strategies with strong execution guarantees, MEV-aware routing, and production-grade safety. Responsibilities Implement yield strategies: Design contracts and execution scripts for atomic operations such as: Looping via flashloans Delta-neutral hedging Managing YT/PT positions on Pendle Programmatic operations via Safe (Gnosis Safe): Automate fund operations using Safe Global, build and execute batch transactions, and integrate with Safe SDK MEV & slippage protection: Ensure safe execution of large swaps inside strategies (sandwich protection, optimal liquidity path calculation) Cross-chain deployment: Adapt and optimize logic for Ethereum, Solana, and EVM chains, and integrate with external venues/APIs such as Hyperliquid API Requirements Solidity expert: Deep EVM knowledge (storage layout, memory management) and proven gas optimization experience for complex multi-step transactions Strong DeFi stack knowledge: Solid understanding of architectures and mechanics of: Morpho Blue Fluid Aave V3 Pendle math: Understanding of Pendle V2 AMM and yield tokenization mechanics (YT/PT) Oracles: Experience with Chainlink, Pyth, RedStone, with a strong understanding of price manipulation risks and mitigation patterns Testing & tooling: Confident with Foundry including fuzzing and invariant testing Safe tooling: Experience with Safe SDK and Transaction Service Flashloans: Strong understanding of flashloan mechanics (Uniswap, Aave, etc.) Math: Fixed-point math; experience with high-precision arithmetic libraries Tech Stack Solidity, Foundry TypeScript / Python Safe SDK Viem / Ethers.js Nice to have Prior experience building MEV-aware execution (private RPCs, bundle simulation, protection tooling) Experience with cross-chain operational tooling and monitoring for strategy health Production experience managing strategy risk parameters and circuit breakers What we offer We operate as a remote-first company, and you can work from anywhere in the world without location constraints. Working hours are fully flexible We provide extended time off: 20 paid vacation days per year, plus 12 additional bonus days Sick leave is fully paid and handled without unnecessary bureaucracy We support professional growth by covering the cost of relevant courses, certifications, and training programs You will have real impact and ownership of meaningful, high-value tasks, along with the opportunity to help shape core infrastructure in the fintech and crypto space Corporate pricing for company products and the opportunity to set up your own mining farm using EMCD's infrastructure. Salary is paid in USDT