Led ERP SaaS from scratch, built DIAN e-invoicing, integrated AI assistant, managed framework migrations, engineered for 1,000+ tenants, and implemented advanced security and offline-first POS.

Architected and shipped a multi-tenant ERP SaaS for Colombia (Laravel 13, Filament 5, PostgreSQL, Redis), including DIAN e-invoicing, payroll, and an AI assistant (Claude API + RAG).

Developed backend microservices, CI/CD, Kubernetes deployments, React/TypeScript frontends, JWT authentication, and cross-functional collaboration for banking clients.

Designed and evolved 8+ Java/Spring Boot microservices, built CI/CD pipelines, containerized services on AWS EKS, and implemented robust security and observability.

Delivered modular Java codebases, integrated APIs, participated in Scrum, code reviews, and technical documentation.

Developed enterprise Java/Spring Boot applications for telecom and finance, integrating third-party APIs and improving data flow.