Software Development Engineer in Test II

HackerRank helps companies like NVIDIA, Amazon, and Microsoft hire and upskill the next generation of developers based on skills, not pedigree. Our platform is trusted by over 2,500 of the world’s most innovative companies to build strong engineering teams ready for what’s next.

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