← Portfolio ES

Héctor Páramo Velásquez

Full-Stack Developer (Web, Mobile & Games)

Tijuana, Mexico · · · Portfolio · GitHub · LinkedIn

Professional profile

Full-stack developer with experience in production enterprise web applications (React.js, Ant Design, Node.js, MySQL) and a portfolio of personal projects spanning multi-service architectures, native mobile apps, AI integrations and cloud storage, desktop applications, and game development in Unity/C#. My earlier background in Industrial Engineering brings a perspective focused on process optimization and problem-solving in production environments.

Professional experience

Software Developer

Jul 2022 — Present

G Global

  • Development of enterprise web applications with React.js and Ant Design
  • Integration and consumption of REST APIs for backend service communication
  • Backend development with Node.js and Sequelize; MySQL management with complex queries
  • Maintenance, improvement, and optimization of production systems
  • Development of G-Nex/Anexo 24: multi-tenant customs management system (React, NestJS, Express, MySQL) with SOAP integration to VUCEM

Software Developer

2021 — 2022

IDG (SITT)

  • Development of a panic-button feature integrated with the C4 system via SOAP Web Services (C# backend)
  • JSON ↔ XML conversion to communicate with C4's SOAP services
  • Implementation of endpoints for data query/submission and mobile-backend integration, with Firebase as the data store

Software Developer

2021

Ark Public

  • Development of systems for the restaurant industry: C# backend and React.js interfaces

Personal projects

💰 Varo — Personal finance app Savings-goal forecasting engine, recurring transactions, AI receipt scanning (Groq Vision), native Android widget.
React Native · NestJS · Prisma · PostgreSQL · Groq API
📸 Vaulta — Private-vault-style photo management Facial recognition (face-api + TensorFlow), duplicate detection via perceptual hashing, ZIP export, PIN + biometric vault.
React Native · NestJS · PostgreSQL · Cloudflare R2/S3 · Firebase
🎵 Velody — AI audio stem separation Desktop app with a 3-process architecture (React/Node/Python via IPC), separation with Demucs (PyTorch), BPM/key detection.
Electron · React · Python · PyTorch · Demucs
📚 Vellum — AI-powered EPUB reader Offline-first architecture, AI-generated summaries and recommendations (Groq/Gemini), native reader built with Readium.
React Native · Express · Prisma · PostgreSQL · Groq · Gemini
🎮 Viva2026 — 2D action game (Unity, in development) Collaborative project inspired by Katana Zero/Hotline Miami/Dead Cells. Level and entities generated 100% procedurally at runtime; extensible mask-based ability system.
Unity 6 · C# · URP · Android

Skills

Frontend
React (Hooks, Context API), Redux Toolkit, Ant Design, Tailwind CSS, Vite, responsive design
Backend
Node.js, Express, NestJS, C#, REST APIs, CRUD, MVC architecture
Mobile & Desktop
React Native (incl. New Architecture), native Android widgets, Electron
Databases
MySQL, PostgreSQL, MongoDB, Prisma, Sequelize, database design
Cloud / AI
AWS S3, Cloudflare R2, Firebase, Groq (LLM/Vision), Gemini, TensorFlow, PyTorch, Ollama, Demucs
DevOps / Testing
Docker, GitLab CI, Pulumi, Jest, Vitest, React Testing Library
Game dev
Unity, C#, Universal Render Pipeline, collaborative development
Tools
Git, GitHub, Postman, VS Code, pnpm

Education

Software Development Engineering

2019 — 2023

Cesun Universidad · Certificate obtained

Industrial Engineering

2012 — 2016

Universidad Tecnológica de Tijuana · Degree completed

Additional experience

Molding Engineer

Smiths Medical · Parker Hannifin de México

  • Manufacturing process optimization and quality control