Role description

We are seeking a highly skilled QA Engineer with 4+ years of experience in Mainframe Testing and API Testing. The ideal candidate should have hands-on experience in testing mainframe applications, validating APIs, executing end-to-end test scenarios, and ensuring high-quality software delivery. The role requires robust analytical skills, defect management experience, and the ability to work in an Agile workplace.

Key Responsibilities

Mainframe Testing
Perform testing of Mainframe applications involving CICS, DB2, IMS, VSAM, and JCL.
Validate batch processing and online transaction systems.
Analyze requirements and prepare detailed test scenarios and test cases.
Execute functional, integration, system, and regression testing.
Validate file processing, data integrity, and database updates.
Perform defect analysis and collaborate with development teams for resolution.
Support release validation and production implementation activities.

API Testing
Design and execute API test cases for REST and SOAP services.
Validate request/response payloads using JSON and XML formats.
Perform integration and end-to-end testing across applications.
Verify API authentication, authorization, and error handling.




Execute API regression testing and defect tracking.
Review API specifications and documentation (Swagger/OpenAPI).

General QA Activities
Create and maintain test plans, test cases, and test execution reports.
Log, track, and manage defects through closure.
Participate in requirement reviews and Agile ceremonies.
Ensure adherence to quality standards and testing best practices.
Coordinate with cross-functional teams to ensure timely delivery.

Skills

Mainframe Testing, API Testing, Functional Testing

About UST
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.

📌 Lead Ii Software Testing Mainframe Testing And Api Testing Hyderabad
🏢 UST
📍 Hyderabad