Lead QA activities across QA, UAT, and production validation environments ensuring end- to-end quality for multiple product lines.  Designed, Read more executed, and maintained test cases for functional, regression, and integration testing of web applications.  Collaborated with developers and product owners in Agile sprints, providing QA sign-off for major releases.  Conducted API testing using REST and SOAP endpoints, validating responses with SQL queries for backend data integrity.  Performed cross-browser and device compatibility testing to ensure UI consistency across Chrome, Edge, and mobile browsers.  Created and managed test documentation and reports in JIRA and TestRail.  Supported performance testing initiatives by analyzing slow-loading modules and reporting performance bottlenecks.  Ensured defect prevention and early detection through requirement review and risk-based testing.

Worked on installation and commissioning of Access and Core Network Equipment related to CMS. Established voice and data networks, handling gateway, Read more signaling server, and management applications. Responsible for IP assignment, core network configuration, and conducting acceptance testing of network and equipment. Conducted demonstrations and implemented preventive maintenance procedures to ensure network reliability.

Analyzed customer requirements and prepared test cases with business analyst coordination. Performed SQL-based data validation to verify data in Read more target databases. Tracked and reported defects, participating in requirement and status calls. Ensured application stability using Automic job scheduler and backend log analysis via PuTTY. Supported business operations through SLA-based issue resolution, patches, and maintenance activities.