QA Engineer

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• Manually test a crypto trading terminal across different browsers and devices.
• Validate complex UI flows, placing orders, transactions, charts, data, APIs, live websocket data.
• Collaborate closely with frontend developers to test React components and live trading features.
• Review specs with product and business stakeholders to clarify expected behavior and edge cases.
• Maintain test plans, regression checklists, and exploratory testing workflows.
• Contribute to and help maintain component tests using React Testing Library.
• Track and report bugs with clear reproduction steps and context (Linear).
• Ensure smooth performance and UX in high-stakes, data-heavy UI environments.

• 5+ years of experience in manual/automated QA for web apps, ideally with data-heavy or real-time interfaces.
• Strong attention to detail and a user-focused mindset.
• Understanding of React-based UIs, components.
• Ability to debug with DevTools (console, network, memory).
• Solid grasp of Web3 fundamentals.
• Experience with React Testing Library and component-level test coverage.

• Familiarity with trading interfaces or fintech platforms is a big plus.
• Exposure to automated UI testing (Cypress, Playwright).
• Comfortable working in fast-paced, product-focused teams where QA is a core part of the dev loop.

Want to put your job search on autopilot? Join our platform, complete a 6-minute AI screening interview, and get auto-applied to 100s of high-paying roles.
Sign up now at https://app.calyptus.co/auth/candidate/sign-up and let the opportunities come to you.