QA Engineer

Responsibilities

• Conduct functional and non-functional testing for blockchain and DeFi applications
• Develop and maintain automated testing frameworks
• Perform manual testing for exploratory, UI/UX, and edge cases
• Collaborate with engineers to define test cases, reproduce bugs, and verify fixes
• Identify and document complex edge cases in protocol behavior
• Test Jupiter routing and protocol integrations
• Conduct performance and security testing
• Participate in code reviews, sprint planning, and releases

Requirements

• Experience testing blockchain, DeFi, or Web3 applications
• Strong knowledge of automated testing frameworks (Selenium, Cypress, Playwright, WebdriverIO)
• Proficiency in manual testing, including UI, API, and end-to-end testing
• Familiarity with Jupiter routing or DeFi protocols
• Experience with smart contract testing (Hardhat, Foundry, Truffle)
• Experience with Solana, Ethereum, or other blockchain ecosystems
• Understanding of DeFi trading, liquidity pools, and routing strategies
• Knowledge of CI/CD pipelines and DevOps testing tools
• Background in security testing and smart contract vulnerabilities
• Ability to work effectively in a remote, fast-paced environment

About the Company

Key To Web3 builds infrastructure and tools for the decentralized web, focusing on DeFi protocols and blockchain integrations.