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Full Stack Engineer

WERN · Agency · Contract

Jan 2025 — Present

Remote

• ✳Built Python APIs and React/Angular interfaces across 3-5 client codebases, with AWS deployments, Docker/Terraform infrastructure, and LLM/RAG integrations.

Clients delivered via WERN

1 Engagement

Back End Developer

Dupely · Contract through WERN

Dec 2025 — Apr 2026

• ✳Built FastAPI product and pricing endpoints for browser-extension and mobile clients, with pipelines using official Amazon, Walmart, and eBay APIs.
• ✳Owned PostgreSQL schema design, migrations, and query performance; implemented caching for product data.

PythonFastAPIPostgreSQLRedisAWSData Pipelines

Direct client contract, concurrent with WERN.

• ✳Built an LLM benchmark and evaluation harness covering 20-50 computer-use tasks; evaluation runs informed shipping decisions.
• ✳Integrated LLM/RAG features into a learning management system using pgvector to retrieve learning content.
• ✳Contributed production frontend and backend features in two-week sprints.

Full Stack Developer & Systems Analyst (.NET / React)

Universidad Nacional de Ingeniería (UNI) · Full-time

Feb 2023 — Dec 2024

Managua, Nicaragua

• ✳Built a warehouse inventory system end to end with .NET and React.
• ✳Maintained an ASP.NET/SQL Server budget system through two annual budget cycles; reduced its heaviest report’s runtime from 6 minutes to 7-15 seconds.
• ✳Mentored approximately 8 developers.