Owned end-to-end QA validation across DEV, QA, Staging, and Production environments for US enterprise clients. Designed and maintained Cypress automation suites, increasing regression coverage and release confidence. Achieved a 100% release validation record, with zero QA-related production rollbacks. Identified recurring defects and collaborated with engineering teams on backend fixes, improving release stability and reducing post-deployment incidents. Performed CMS validation across Sitecore and Drupal platforms, ensuring content integrity and functional accuracy. Provided post-release monitoring and rapid issue validation to safeguard uptime and client operations. Collaborated directly with US-based stakeholders in a fully English-speaking remote environment. Supported enterprise-level platforms including institutional and healthcare systems with high public visibility and operational impact.

Developed regulated healthcare systems for Artmedica IPS. Implemented electronic billing & RIPS compliance under Ministerio de Salud y Protección Social. Built banking integration with Bancolombia payment endpoints. Designed, built and implemented compliant healthcare and government systems in regulated environments, reducing repetitive tasks and human manual error by 80%. Developed full-stack applications using React & GeneXus. Built dynamic QR asset tracking system for Alcaldía de Girardota. Managed testing and production deployments. Impact: Delivered compliant healthcare and government systems in regulated environments.

Led QA validation for crypto trading systems handling real financial transactions. Designed and maintained automation frameworks using Cypress. Performed risk-based testing on spot trading, wallets, deposits & withdrawals. Reviewed junior QA test cases prior to production merges. Conducted production testing in high-risk financial environments Impact: Reduced production-critical defects in live trading systems.