Analyze business and technical requirements for financial products (payments, BNPL systems, etc.)   Design, document, and execute: Test plans Test cases Regression test suites Perform: Functional testing Integration testing API testing Mobil Application testing Database validation testing   Validate financial calculations (fees, interest, installments, limits) Identify, document, and track defects using Project Management Tools. Work closely with developers, product owners, and BI teams Participate in release validation and production smoke testing