• Create comprehensive test plans before feature development, defining manual and automated testing strategies. • Perform hands-on manual testing during development cycles to validate new features before automation. • Balance manual exploratory testing with automation to catch edge cases that scripts might miss. • Collaborate with engineers, product managers, and designers to define QA processes for a mission-critical trading platform. • Lead automation initiatives end-to-end: strategy, implementation, CI/CD integration, and scaling coverage. • Drive performance, security, and accessibility testing to deliver a top-tier experience for traders. • Proactively document, report, and triage bugs to improve release quality and velocity.