Hardened security and delivered incremental features across NestJS and React services and a .NET system. Patched vulnerabilities, enforced CSP/HSTS, and tightened CI/CD guardrails. Coordinated PR reviews with partners and documented remediation playbooks while prioritizing stability, controlled rollouts, and operational reliability.

Served as the VP of Engineering technical partner, rotating across teams to design POCs and resolve cross-cutting issues. Built AI-driven features with Node.js, Python, NestJS, and React on AWS. Containerized services, automated testing, and significantly accelerated releases through disciplined CI/CD.

Delivered open-source projects and POCs for an Amazon Senior Software Architect. Built backends in Node.js, TypeScript, and Python; designed APIs and serverless workflows on AWS. Authored Web Components and CDK constructs, Dockerized environments, and produced technical demos for client enablement.

Owned a DICOM ingestion gateway: on-prem service receiving radiology studies, processing, and uploading to cloud. Led two engineers, contributed across products, and instituted E2E testing. Stack: AWS, Node.js, Angular, Python scripts, Docker. Returned as consultant for audits and test automation.

Freelanced on a .NET application for occupational health and safety (SG-SST) compliance under Colombian regulations. Designed data models, basic workflows, and admin modules using the Microsoft stack. Project halted due to client budget, but solidified architecture, deployment, and delivery fundamentals.

Bridge developer integrating Compañero de Obras (MEAN: AngularJS 1.4, Node, Express, MongoDB) with an accounting platform for Moras Ingenieros. Maintained AWS/Docker production deployments, built a React frontend, and introduced unit/E2E testing, advancing TDD practices amid legacy constraints and delivery pressure.