Directed the integral quality validation (Mobile/API) for a high-traffic banking application. Certified digital payment solutions (mPOS) and Tap to Phone (NFC) technology, ensuring transactional speed and compatibility under strict PCI-DSS security standards. Engineered the QA strategy for a corporate AI Agent, validating prompt logic and data privacy. Optimized efficiency by developing and maintaining automated regression suites using Cypress and Selenium. Ensured data integrity by validating interoperability between ordering applications and external platforms (SAP, Shopify).

Standardized IT operations and implemented quality control processes for new systems, which optimized infrastructure stability and ensured regulatory compliance. Managed technical support and proactively handled hardware/software incidents, guaranteeing business operational continuity.

Executed functional and module testing in production environments, collaborating directly with the development team for agile resolution of critical incidents.

Built automated End-to-End (E2E) tests for web applications, successfully improving test coverage and the reliability of critical system modules.