QA Automation Engineer with 5+ years across fintech, algorithmic trading, and regulated healthcare software. Hands-on testing of web, desktop, and API-based systems, with automation built in Playwright/TypeScript. Skilled at investigating complex, high-risk defects, validating safety and money-critical workflows, and working closely with developers and product owners to turn ambiguity into shipped features and fixes, driving bugs to verified resolutions, not just reporting them. Use of Claude Code for test automation, code analysis and debugging.