Smart Contract Developer (DEX) - Remote/ Mandarin Speaking

Our client is a leading DeFi protocol and looking for a Smart Contract Engineer. Responsibilities Architect and implement core on-chain protocols for a Decentralized Exchange (DEX), including capital vaults, clearinghouses, and settlement engines. Develop the underlying logic for clearing and settlement processes, ensuring high-fidelity integration with off-chain high-performance matching engines. Design and maintain robust Oracle contract frameworks to support real-time price feeds, data validation, and asset valuation. Lead smart contract security hardening initiatives, collaborate with external auditors to rectify vulnerabilities, and oversee mainnet deployments. Partner with backend and QA teams to bridge the gap between off-chain trade commands and on-chain fund movements for seamless execution. Requirements Degree in Computer Science, Software Engineering, Cryptography, or a related technical field. 3+ years of professional Solidity development with deep expertise in EVM mechanics, Gas optimization techniques, and ERC standards. 2+ years of specialized experience in DEX clearing and settlement workflows, including sophisticated Oracle integration. Proficient in Rust or Move programming, with the ability to lead contract module development across diverse blockchain ecosystems. Strong understanding of the architectural paradigms of high-performance chains.