Hermann Pauwells Rivera

Full-Stack Developer | Software Engineer

Monterrey, NL, Mexico · hermann.pauwells.rivera@gmail.com · linkedin.com/in/hermann-pauwells-rivera · github.com/HermannPR

Profile

Full-stack developer (TypeScript, React/Next.js, Node.js) graduating in December 2026 in Computer Science Engineering from Tecnológico de Monterrey. I build software for real businesses (e-commerce, real-time systems, APIs) and LLM/AI-agent tooling, with experience in C++/JUCE audio and machine learning.

Technical Skills

Experience

Full-Stack Developer (Freelance) — Juguetería El Arbolito

2026–present
  • Building the e-commerce and admin platform for a single-store retailer (catalog, cart, checkout, backend).
  • Migrated a 2,395-product catalog from the legacy point-of-sale system (Eleventa) into PostgreSQL/Supabase.
  • Integrating Mercado Pago payments and inventory sync between the online store and the in-store POS.

Freelance Web Developer — Client websites

2025–present
  • Designed and built a portfolio site for a writer and audiovisual producer (Next.js, React, Tailwind CSS); on Vercel.
  • Building a personal landing page for a corporate-compliance lawyer (Astro, React, Tailwind CSS); in progress.

Web Developer (scholarship service) — Ciberistas, Tecnológico de Monterrey

2025
  • Fixed bugs and refactored legacy layouts on a youth coding program's web platform (React/TypeScript, Tailwind).

Selected Projects

Lumina Reservations (WorkHub MTY)

Academic team project · Node/Express, SSE, React2026
  • Implemented the reservation backend in Node/Express (services, repositories, controllers, migrations) and real-time occupancy updates over SSE.
  • Built the floor map and the reservation flow in React/Vite (dashboard, filters, confirmation) with role controls.

Jarvis — personal AI agent system

Personal · TypeScript/Node · Codex SDK · Claude Code2026
  • Local-first control plane for autonomous coding agents: permission policies, secret-redacted audit logs, emergency stop and Codex SDK runs in isolated Git worktrees (30 tests).
  • Shared Markdown knowledge graph (Brain) used by Claude Code, Codex and DeepSeek agents across devices; mobile PWA with chat and a 3D memory map.

RainLab Northsky

Interactive 3D web application · Three.js2026
  • Interactive viewer with animated camera transitions, component views and a Blender/GLB asset pipeline.
  • Cut draw calls from 637 to 127 (80%) through mesh batching; rendering pauses when off screen.

folk-park

Personal project2026
  • Wavetable VST3/Standalone synthesizer in C++20 and JUCE with deterministic MIDI generation.
  • DSP architecture and automated tests; validated with pluginval strictness 5.

Other projects: HeatShield · Credifiel Challenge (Datathon 2025) · Multi-agent warehouse simulation (RL) · DreamOS · JesusGPT · Ojeada (LLM Touch Bar app) · claude-phone & PI3HUB (Claude Code on phone/Pi) · Mildred Pierce (band website) · GateGenius (HackMTY 2025).

Education

Computer Science Engineering (ITC)

Tecnológico de Monterrey, Monterrey Campus2021–2026

Graduation: December 2026 · Available full-time from January 2027

Activities

Spanish — native · English — C1