Tester III - Software Testing (API Tester / QA Engineer (Java))

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  • Thiruvananthapuram, Kerala
  • Permanent
  • Full-time
  • 3 days ago
Job Description:["Java","API Testing (Postman, Rest Assured, GraphQL, Pact, WireMock)"]Job TitleAPI Tester / QA Engineer (Java) Job SummaryWe are seeking a detail-oriented API Tester / QA Engineer with strong hands-on experience in API testing and Java-based automation. The role focuses on validating RESTful and GraphQL services, ensuring service reliability, correctness, and contract integrity across distributed systems. Key ResponsibilitiesAPI Testing
  • Perform functional, integration, and regression testing of RESTful and GraphQL APIs.
  • Validate API requests and responses, payloads, headers, HTTP status codes, and error handling.
  • Test API authentication, authorization, and security-related scenarios.
  • Perform contract testing to ensure compatibility and compliance between services.
API Automation (Java)
  • Develop, execute, and maintain API automation test scripts using Java.
  • Use tools such as Rest Assured for automated API validation.
  • Implement mocking and service virtualization using WireMock.
  • Write and maintain API collections and automated tests in Postman.
  • Integrate automated tests into CI/CD pipelines where applicable.
Test Design & Execution
  • Review requirements, API specifications (Swagger/OpenAPI), and user stories.
  • Create detailed test cases, test scenarios, and test data.
  • Execute manual API tests when needed and identify edge cases.
  • Log defects clearly, track resolution, and perform re-testing and regression testing.
Skills:api testing,postman,graphql,api security,About Company:UST is a global digital transformation solutions provider. For more than 20 years, UST has worked side by side with the world’s best companies to make a real impact through transformation. Powered by technology, inspired by people and led by purpose, UST partners with their clients from design to operation. With deep domain expertise and a future-proof philosophy, UST embeds innovation and agility into their clients’ organizations. With over 30,000 employees in 30 countries, UST builds for boundless impact—touching billions of lives in the process.

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