Provided Tier 2 support for production issues, debugging with logs, SQL queries, stack traces, and network tools. Wrote and optimized complex SQL queries to validate test cases, debug DB-related issues, and generate data sets. Performed automated regression testing using Selenium WebDriver with TestNG, integrated with API validations via Postman. Diagnosed live production errors and collaborated with engineering and customer success to deliver rapid resolutions. Authored detailed test plans and knowledge base articles to aid support handoffs and reduce ticket resolution time. Daily use of Linux CLI and scripting for test execution, file handling, and server-side debugging. Participated in a 24x5 support rotation, ensuring on-call readiness and real-time triage of critical incidents. Monitored test execution pipelines, interpreted CI/CD logs, and used mock dashboards (Datadog-style) to verify system health during deployments. Regularly collaborated with Engineering, QA, and Product teams to triage, prioritize, and escalate critical bugs and production incidents.

Developed UI components for web & mobile using React & React Native, with an increasing focus on mobile-first development. Troubleshot and resolved layout inconsistencies, navigation bugs, and platform-specific issues on Android and iOS. Performed thorough Manual and Unit Testing on web and mobile applications, including exploratory, functional, and UI testing, to identify critical usability issues.