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HackerRank helps thousands of companies like OpenAI, NVIDIA, and Amazon hire developers based on their skills vs. pedigree, and also nurtures a community of millions of developers to upskill themselves to become next-gen developers. The people at HackerRank care deeply about their work and have an extremely intense work ethic. In many companies, speed & quality is a tradeoff. At HackerRank, it’s not -- we expect you to ship in about half the time that most competent people think is possible while maintaining a standard of quality you’d proudly sign your name on. The only way to make this happen is if you truly love your craft and are deeply committed to growth. About the role As a SDET, you will play a critical role in shaping and executing our automation-first quality strategy across web, API, and AI-driven systems. You’ll work closely with Engineering and Product teams to ensure that quality is designed into every feature, enforced through strong automation, and protected by strict release gates. This is a hands-on, technically deep role with real ownership and impact. What you’ll do Lead and standardize test automation practices across teams and services Design, build, and maintain scalable automation frameworks using Playwright and SerenityJS Develop automated test suites in JavaScript/TypeScript for web, API, and workflow validation Design and maintain REST API automation using Postman or equivalent tools Integrate automation deeply into CI/CD pipelines using Jenkins and/or GitHub Actions Enforce mandatory quality gates, blocking releases on automation or sanity failures Monitor automation executions, analyze failures, and drive root-cause resolution Conduct automation code reviews to ensure consistency, reusability, and maintainability Collaborate during design and story elaboration to define acceptance criteria and risk coverage Mentor QA and engineering teams on automation frameworks, tooling, and best practices Contribute to automation metrics, reporting, and continuous improvement initiatives Who you are 3+ years of experience in QA Automation / SDET roles Strong hands-on experience with Playwright and SerenityJS (JavaScript/TypeScript) Proficient in JavaScript/TypeScript for building reliable, maintainable automation Solid experience in REST API testing using Postman or similar tools Hands-on experience with CI/CD automation using Jenkins and/or GitHub Actions Having experience working with the Cucumber BDD framework. Strong working knowledge of Git (GitHub) and modern version control workflows Experience working with Docker and Kubernetes-based environments Exposure to Accessibility (A11y) testing, with an understanding of WCAG principles Experience with Desktop Automation testing Strong understanding of regression, integration, system, and end-to-end testing Excellent problem-solving skills with the ability to debug complex automation failures Strong communication skills and the ability to influence quality across teams Even better if you have Use AI agents or tools to perform day-to-day activities or to test AI-powered features. Familiarity with visual regression testing, cross-browser testing, and performance validation Experience designing or contributing to automation metrics and quality dashboards Exposure to cloud-native, large-scale SaaS platforms Experience mentoring teams and driving the adoption of quality standards across multiple squads You will thrive in this role if Believe quality is a shared responsibility across Engineering, QA, and Product Prefer preventing defects through strong automation and release gates Enjoy building systems that scale, rather than relying on manual effort Comfortable enforcing 100% pass-rate mandates for critical workflows Like working on complex systems involving CI/CD, containers, and AI-driven logic Care deeply about reliability, trust, accessibility, and real-world user experience Want to learn more about HackerRank? Check out HackerRank.com to explore our products, solutions and resources, and dive into our story and mission here. HackerRank is a proud equal employment opportunity and affirmative action employer. We provide equal opportunity to everyone for employment based on individual performance and qualification. We never discriminate based on race, religion, national origin, gender identity or expression, sexual orientation, age, marital, veteran, or disability status. All your information will be kept confidential according to EEO guidelines. Linkedin | X | Blog | Instagram | Life@HackerRank