• Design, implement, and deploy Solidity-based smart contracts powering core protocol functionality • Build and execute governance “Spells” that modify system parameters and logic • Collaborate with ecosystem actors (risk, governance, product) to define new mechanisms • Contribute to the architecture of lending, collateralization, and stablecoin systems • Conduct deep audits of smart contracts and protocol changes • Identify and mitigate vulnerabilities (reentrancy, oracle manipulation, etc.) • Maintain production-grade reliability for contracts managing billions in TVL • Optimize contract execution paths for efficiency at scale • Integrate contracts with frontends, off-chain systems, and governance tooling • Contribute to broader system design decisions across the Sky ecosystem • Stay ahead of emerging standards (ERCs, account abstraction, new DeFi primitives)

• Collaborate with cross-functional teams to understand project requirements and translate them into smart contracts • Implement, test, and deploy smart contracts on various blockchain platforms • Write clean, maintainable, and well-documented code for smart contracts • Conduct comprehensive security audits to identify vulnerabilities • Stay up-to-date with the latest security threats and best practices • Continuously optimize existing smart contracts for gas efficiency, performance, and scalability • Identify bottlenecks and propose improvements • Develop and execute test cases to validate functionality and security • Collaborate with DevOps teams for seamless deployment of contracts • Maintain comprehensive documentation for all smart contracts

• help architect and build core primitives behind Spark’s vault infrastructure • design secure, capital-efficient smart contract systems • collaborate closely with protocol engineers, treasury and risk contributors, and product stakeholders

• Design, develop, and audit secure and efficient smart contracts using Solidity • Implement best practices for smart contract security, including unit testing, code reviews, and vulnerability assessments • Automate smart contract deployment, testing, and ongoing maintenance • Stay up-to-date with the latest advancements in blockchain technology, Ethereum Virtual Machine (EVM) concepts, and layer 2 scaling solutions