Established QA processes, testing practices, and quality standards for a fintech investment platform, improving consistency and release quality. Collaborated with product owners, business stakeholders, developers, and QA teams to refine requirements, define acceptance criteria, and ensure shared quality objectives. Defined test strategies, test plans, and validation approaches. Executed functional, exploratory, integration, API, database, regression, and UAT testing activities. Led and mentored a multidisciplinary QA team, supporting onboarding, knowledge sharing, and continuous improvement initiatives. Managed the full defect lifecycle, facilitated root cause analysis, and supported release readiness through risk assessment and issue validation. Designed AI-assisted QA agents and workflows to improve requirements analysis, test design, defect investigation, and automation development. Contributed to the migration of the test automation framework from Selenium (Java) to Playwright (TypeScript), driving its ongoing evolution and maintainability through AI-assisted development workflows. Collaborated on integrating automated tests into CI/CD workflows, supporting release validation and improving confidence in software delivery.

Developed test plans and test cases for enterprise web applications supporting audit engagement management for EY, ensuring effective test coverage and software quality. Created test estimations and executed functional, regression, API (Postman), and database testing (SQL). Validated user stories and collaborated with developers, product teams, and business stakeholders to ensure testability and requirement clarity. Participated in Agile ceremonies, contributing to sprint planning, backlog refinement, and quality discussions. Managed defects and supported release validation.

Performed QA activities for CRM and marketing platforms integrated with external systems. Led test planning, execution, and defect management for the CRM marketing team within an Agile delivery environment. Contributed to requirements analysis and design discussions to improve testability and quality. Developed and maintained automated UI tests using Protractor and Cucumber for Angular-based applications. Conducted API testing using Postman and Swagger. Executed functional, regression, and database testing (SQL). Acted as the QA technical reference across multiple teams, mentoring while helping align testing practices, defect management processes, and quality standards.

Executed functional, API, and database testing for electronic payment solutions, validating end-to-end transaction processing across POS terminals, smart cards, firmware-based devices, web applications, and back-office systems. Conducted application security testing using OWASP ZAP and Kali Linux to identify application vulnerabilities. Created test plans, executed functional and regression testing, managed defects throughout the testing lifecycle, and supported UAT activities. Supported ISO 9001 certification audits by contributing QA documentation and ensuring compliance with quality processes.

Developed and executed functional tests for CRM solutions serving telecommunications clients. Participated in test planning, execution, and defect management. Supported international knowledge transfer initiatives.