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Francisco Miguel Perez

Backend Developer | Node.js, TypeScript, Python | REST APIs, PostgreSQL, MongoDB, AWS

Tucumán, Argentina (GMT-3) · On-site, hybrid or remote

Summary

Backend-focused software developer with 3 years building production systems: REST APIs and services in Node.js and Python, data modeling in PostgreSQL and MongoDB, third-party APIs and webhooks, and deployments on AWS and Vercel. I also work on the frontend (React, Next.js) when the product needs it, and add AI and automation where they solve a real problem (LLM agents, RAG, n8n). NASA Space Apps 2024 national winner.

Tech stack

Languages
TypeScript, JavaScript, Python, SQL
Backend
Node.js, Express, REST APIs, webhooks, authentication, background jobs
Frontend
React, Next.js
Databases & Cloud
PostgreSQL, MongoDB, Supabase, AWS, Vercel, Netlify
AI & Integrations
LLM APIs (OpenAI, Anthropic, Gemini), LangChain, LangGraph, RAG, n8n, Google Workspace APIs, Meta APIs
Practices
Git, Git Flow, code review, CI/CD, Scrum, clean code

Experience

  1. Software / AI Engineer — RepuestoShop

    Dec 2025 – Present · Remote

    • Build and maintain internal tools and customer-facing automation for an auto-parts e-commerce, integrating Meta APIs and the product catalog.
    • Designed a multi-agent assistant (LangGraph) with RAG over scraped catalog data to answer customer questions.

  2. Full-Stack & Automation Developer — Freelance Projects

    Nov 2025 – Aug 2026

    • Co-built a tax-deadline management platform for an accounting firm: approval flows, change history and Google Calendar/Gmail integration. Running in production.

  3. Product Engineer — RollingCode Studio

    Oct 2024 – Dec 2025

    • Built backend features and APIs in Node.js for client web projects, plus the matching React/Next.js frontends.

  4. Full-Stack Developer (Volunteer) — Fundación Líderes de Ansenuza

    Apr 2025 – Present

    • Leading the foundation's digital transformation: rebuilt its web platform (Next.js, Prisma, PostgreSQL) and internal tools.

  5. Instructor, Process Automation with n8n — Poder Judicial de Tucumán

    Sep 2025 – Oct 2025

    • Designed and taught a 20-hour course on n8n, APIs and automation workflows for court staff; presented the automation strategy to leadership.

Projects & awards

  • NASA Space Apps 2024 — National Winner

    ExoGames, national winning project (Buenos Aires hackathon, virtual). National competitor again in 2025.

  • Proofy — Solana hackathon, 2026

    Web app with an AI agent that turns a contract's scope into verifiable milestones and releases escrow payments on CI/CD evidence. proofyai.vercel.app

Education

  • B.S. Information Systems Engineering — Universidad Tecnológica Nacional (UTN-FRT)

    Feb 2022 – Dec 2027 (expected)

Certifications

  • Full-Stack Developer (MERN) — Outstanding Student · RollingCode School · Nov 2022 – Sep 2023
  • Advanced React · RollingCode School · May 2024 – Sep 2024
  • Advanced Next.js · RollingCode School · Jun 2025 – Nov 2025
  • Data Engineer · RollingCode School · Jun 2025 – Oct 2025
  • AI Foundations · Applied AI Foundations · Agents and Workflows · OpenAI Academy · Aug – Sep 2026
  • AI Essentials · Prompting Essentials · Google (Coursera) · Sep – Oct 2025

Languages

Spanish (native) · English (fluent) · Russian (basic)