What you’ll do

📍Review and interpret DeFi protocol documentation and Solidity contracts to understand expected on-chain behavior 📍Validate the correctness of Zap VM executions by ensuring that both the inputs and outputs match the expected behavior of the underlying DeFi protocol’s smart contracts 📍Design and implement robust testing strategies for backend services, REST APIs, and protocol integrations 📍Collaborate with the QA team to uphold and evolve our testing standards across plugin development and compiler workflows 📍Ensure newly added features and protocol integrations meet strict quality and correctness criteria 📍Track, manage, and drive resolution for bugs—especially those related to protocol behavior, integration logic, and output discrepancies 📍Identify UX or product issues, communicate them clearly, and propose improvements 📍Work closely with the development team to ensure high-quality releases and consistent QA processes 📍Maintain clear and comprehensive test documentation, plans, and reports

Our tech stack:

📍TypeScript – for protocol integration plugins 📍Rust – powering the compiler service that converts TypeScript into instructions 📍Solidity – smart contracts deployed across EVM networks 📍DragonflyDB / Redis – caching and state layer

If this role isn’t the perfect fit, there are plenty of exciting opportunities in blockchain technology, cryptocurrency startups, and remote crypto jobs to explore. Check them on our Jobs Board.