Quality Assurance Engineer

About GreedyGame / PubScale GreedyGame (PubScale) is a Bengaluru-based, Google Certified Publishing Partner building an all-in-one platform for app growth and monetization, trusted by 1500+ publishers and advertisers worldwide. Our products span native and immersive ad formats, mediation, user acquisition (GROW), and offerwalls. About The Role We are looking for a detail-oriented QA Engineer to join our Engineering team and help ensure the quality, reliability, and accuracy of our web applications, analytics dashboards, and data-driven products. The ideal candidate has strong testing fundamentals, hands-on experience with API testing, and a passion for uncovering data discrepancies and root-causing complex issues across the stack. This role works closely with Product, Engineering, and Customer Success teams to ensure high-quality releases, accurate reporting, and a seamless user experience. Key Responsibilities Design, develop, and execute test plans and test cases covering functional, regression, and exploratory testing. Test web applications, analytics dashboards, reporting modules, and other data-driven products for accuracy and reliability. Perform API testing (using Postman, Swagger, or similar tools), validating request/response payloads, authentication, pagination, filtering, and error handling. Validate data consistency across UI, APIs, and backend systems to ensure reporting accuracy. Debug issues using Chrome DevTools, network request inspection, application logs, and monitoring/observability tools. Investigate data discrepancies and perform root cause analysis across systems. Track, document, and communicate defects clearly, ensuring timely resolution. Participate in requirement discussions and design reviews, providing early quality feedback. Collaborate with Product, Engineering, and Customer Success teams to align on quality expectations and priorities. Contribute to and maintain automated test suites using Playwright, Selenium, or similar frameworks. Use Git/GitHub for version control and collaborate within standard development workflows. Core Skills & Requirements Strong understanding of software testing fundamentals — test planning, test execution, defect management, and regression testing. Experience testing web applications, analytics dashboards, reporting modules, and data-driven products. Hands-on experience in API testing using tools such as Postman, Swagger, or similar, including validation of: Request/response payloads Authentication Pagination Filtering Error handling Ability to validate data consistency across UI, APIs, and backend systems to ensure reporting accuracy. Proficiency in debugging using Chrome DevTools, network requests, application logs, and monitoring tools. Strong analytical and problem-solving skills, with the ability to investigate data discrepancies and perform root cause analysis. Excellent communication and collaboration skills, with the ability to work closely with cross-functional teams. Familiarity with observability/monitoring tools such as Grafana, Datadog, or Sentry. Experience with test automation using Playwright (Java or JavaScript/TypeScript), Selenium, or similar frameworks. Familiarity with Git, GitHub, and version control best practices. Bonus Skills (Nice To Have) Experience with API automation using Rest Assured, Playwright, Postman, or equivalent tools. Basic understanding of CI/CD pipelines and tools such as GitHub Actions, Jenkins, or similar. Knowledge of SQL and database validation techniques. Exposure to AdTech, Monetization, Offerwalls, Publisher Platforms, or Analytics products. What We're Looking For A proactive, quality-first mindset with strong attention to detail. Comfort working in fast-paced, data-driven environments. Ability to independently investigate and resolve ambiguous issues. A collaborative approach to working with engineering and product teams. Skills: reporting,testing,swagger,github,dashboards,data,api testing,analytics,api,ci/cd,postman