Smart Contract Engineer

Lista Protocol is hiring across engineering roles to help build and maintain core infrastructure for a DeFi protocol focused on liquid staking, lending, collateralized debt positions, and stablecoin mechanics. We are looking for Solidity Engineers, Protocol Engineers, and Security Engineers / Smart Contract Auditors who want to work on production-grade DeFi systems. Depending on the role, you may contribute to smart contracts, protocol design, protocol upgrades, integrations, audits, testing, monitoring, and security improvements across the Lista ecosystem. Responsibilities - Design, develop, test, and maintain smart contracts, protocol systems, and security workflows for DeFi products. - Work on protocol features related to staking, lending, collateral, liquidity, stablecoin systems, liquidation logic, and oracle integrations. - Write high-quality unit, integration, invariant, fuzz, and simulation tests where relevant to your role. - Collaborate with engineers, auditors, researchers, product teams, and ecosystem partners to improve security and reliability. - Review smart contract and protocol changes, identify risks, and support audit preparation before release. - Monitor deployed contracts and help improve protocol operations, incident response, and risk management. Requirements - Strong engineering experience in one or more areas: Solidity, protocol engineering, smart contract security, or auditing. - Experience with DeFi protocols such as lending markets, CDPs, liquid staking, AMMs, or stablecoins. - Familiarity with tools such as Foundry, Hardhat, ethers.js, TypeScript, Slither, Echidna, or similar. - Strong understanding of security risks relevant to your role, including smart contract vulnerabilities, oracle risk, liquidation logic, access control, upgradeability, governance risk, and economic attack vectors. - Ability to write clear tests, reason carefully about edge cases, and communicate tradeoffs. - Comfortable working in a remote, async team. Nice to Have - Experience building or auditing lending, staking, or stablecoin protocols. - Familiarity with BNB Chain, Ethereum, or multi-chain deployments. - Experience with formal verification, fuzzing, invariant testing, economic modeling, or risk parameter analysis. - Prior contributions to open-source DeFi projects. Benefits - Remote-first work environment. - Competitive salary. - Opportunity to work on core DeFi infrastructure. - High-impact role in a growing Web3 ecosystem. - Token or performance-based incentives may be available depending on role fit. When applying, mention the word CANDYSHOP to show you read the job post completely.