Senior AQA Engineer (Playwright / TypeScript)
Nix
Posted: February 16, 2026
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Quick Summary
Join our team as a Senior QA Engineer to architect the quality infrastructure of a next-generation platform for cancer diagnostics. You will design and implement automated testing frameworks, ensuring the delivery of secure, scalable, and compliant solutions that directly impact patient outcomes.
Required Skills
Job Description
Join us as a Senior QA Engineer to architect the quality infrastructure of a next-generation platform for cancer diagnostics. You will ensure the delivery of secure, scalable, and compliant solutions that directly impact patient outcomes. The client a specialized health-tech company founded by industry veterans and IT experts focused on transforming pathology labs with AI. We are building a robust, high-performance platform that provides fast and accurate diagnoses to healthcare providers.
Requirements:
• 5-8+ years of hands-on software engineering/QA experience, with a focus on complex automation architectures.
• Deep expertise in TypeScript is required, writing clean, strongly-typed, and asynchronous code.
• Proven experience building advanced Playwright frameworks (handling auth states, network interception, parallel execution).
• Solid experience with Docker, container orchestration, and setting up CI/CD pipelines (e.g., GitHub Actions, Jenkins) for automated gating.
• Proficiency in SQL or NoSQL databases to validate data integrity and simulate complex data states (e.g., race conditions).
• Demonstrated ability or familiarity with using Model Context Protocol tools to accelerate development tasks.
• Excellent English skills.
Responsibilities:
• Design and build a maintainable, high-performance automation framework from the ground up using Playwright and TypeScript. Establish patterns (e.g., Page Object Models, custom fixtures) that ensure long-term scalability.
• Debug core issues such as memory leaks in the test environment, race conditions in the database, or asynchronous timing issues during high-traffic simulations.
• Configure and optimize Docker containers and integrate tests into CI/CD pipelines to ensure reliable, isolated testing environments.
• Leverage Model Context Protocol (MCP) tools to enhance your workflow. Proficient in using these AI-assisted tools to boost efficiency in script generation and debugging.
• Define the comprehensive test strategy, balancing E2E, integration, and API testing. Negotiate technical trade-offs with Engineering and Product teams.
• Set the standard for code quality in the QA repository. Review PRs, mentor colleagues on TypeScript best practices, and foster a culture of technical excellence.
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We offer*:
• Flexible working format - remote, office-based or flexible
• A competitive salary and good compensation package
• Personalized career growth
• Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
• Active tech communities with regular knowledge sharing
• Education reimbursement
• Memorable anniversary presents
• Corporate events and team buildings
• Other location-specific benefits
*not applicable for freelancers