Haposan Gultom

Qa Automation Engineer @Planet DDS

Built modular Selenium-Java and Playwright (JavaScript/TypeScript) frameworks for 4+ teams; improved test coverage by 25%- Developed and maintained scalable API test suites using RestAssured and Postman; cut API regression testing time by 30%- Designed and executed mobile test automation using Appium for Android and iOS apps; increased mobile test coverage by 40%- Integrated smoke and regression suites into CI pipelines using Jenkins and GitHub Actions; reduced manual QA bottlenecks by 40%- Led Docker-based test environment setup, cutting onboarding and environment setup time by 25%- Authored QA artifacts including Test Plans, RTMs, and Test Summary Reports; enhanced audit readiness and visibility- Mentored junior QA engineers in Java, JavaScript, and test automation best practices, improving team efficiency and code quality.