Own QA for HTML-based rich media ad formats, validating structure, responsiveness, and cross-device/cross-browser rendering of ad units prior to release. Perform system testing for the ad trafficking platform and supporting web-based applications, covering functional, regression, and end-to-end scenarios. Build and maintain automated test scripts using Playwright to streamline regression testing for ad formats and web applications. Test integrations with AI/LLM APIs, validating request/response behavior, edge cases, and reliability of AI-powered features. Create, track, and validate test cases and defects in Jira, collaborating with developers and stakeholders to confirm requirements and acceptance criteria.

Led test case creation and execution across multiple concurrent projects, managing the full testing life cycle end to end. Directed E2E system testing and defect creation/validation for a major telecommunications client. Oversaw execution of automated test suites and reported on project and testing progress to stakeholders. Reviewed business requirements and participated in project requirements sign-off. Tracked and reported on project progress across test cycles, and monitored the creation of testing user stories to keep sprints aligned with QA needs.

Performed manual regression and functional testing, and authored/executed test cases for government financial systems. Built and executed automated functional tests using Java and Katalon Studio. Identified, documented, and reported system errors to development teams for resolution. Collaborated with developers to reproduce and triage reported defects ahead of release cycles.