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Backend Developer at Vierge Group Mexico

Hi, I'm Emmanuel.

Full-stack engineer. I build reliable APIs, configurable platforms, and the occasional LLM integration.

4 years shipping production code in JavaScript, TypeScript, Python, and PHP. Currently focused on backend systems for retail point of sale.

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Tech Stack

The tools I reach for to ship reliable, maintainable software. Pragmatic over trendy.

Languages

  • TypeScript
  • JavaScript
  • Python
  • PHP
  • SQL

Frontend

  • React
  • Vue
  • Astro
  • Tailwind CSS
  • HTML5
  • CSS3
  • Zustand
  • TanStack Query
  • WebSockets

Backend

  • Node.js
  • Express
  • NestJS
  • Django
  • Laravel
  • REST APIs

Data

  • PostgreSQL
  • MySQL
  • MongoDB
  • Redis

Cloud and Tools

  • Docker
  • Linux
  • Git
  • GitHub Actions
  • AWS
  • Vercel

Experience

Where I have shipped real products to real users. Most recent first.

  1. Backend Developer

    Vierge Group · Mexico

    • Building backend services for retail point-of-sale systems used across multiple merchant clients.
    • Designing configurable platforms so non-engineers can ship business rules without code changes.
    • Integrating LLMs into internal tooling for support and operations teams.
    • TypeScript
    • Node.js
    • PostgreSQL
    • Docker
    • React
    • CSS
    • Python

  2. Community Contributor / Organizer

    GDG Atizapán · Mexico

    • Co-organize developer meetups and share educational content on web development and software engineering.
    • Web Development
    • Software Engineering
    • Community
    • Public Speaking

  3. Junior Application Developer

    PSL Group · Mexico

    • Helped build landing page functionality that allowed partner companies to promote their articles on the site using simple JSON-based configurations.
    • Built a comprehensive admin panel for managing content, user data, and analytics.
    • Contributed to the development and integration of Zoho CRM workflows for managing user data.
    • Helped maintain and scale the Single Sign-On microservice used across the platform.
    • Participated in the creation of a new site based on an existing platform, making it more configurable and consolidating functionality into a single repository.
    • Collaborated with cross-functional teams to deliver high-quality features, actively reviewing pull requests to ensure code quality, consistency, and efficient implementation.
    • JavaScript
    • TypeScript
    • React
    • Node.js
    • PHP
    • Symfony
    • MySQL
    • Python
    • Docker
    • AWS
    • REST APIs
    • SSO
    • LLM APIs

  4. Application Developer Intern

    PSL Group · Mexico

    • Delivered full-stack enhancements and bug fixes across application features, database updates, and API integrations.
    • Practiced Git workflows, code reviews, and Agile/Scrum collaboration in a production software environment.
    • JavaScript
    • React
    • PHP
    • Symfony
    • MySQL
    • REST APIs
    • Git
    • Scrum

Projects

Things I have built outside of work, and a few that became work.

Radaria Client

Mobile-first frontend for an AI-assisted market analysis platform focused on helping small businesses evaluate locations, permissions, and market opportunities before opening or expanding.

  • React
  • TypeScript
  • CSS
  • jsPDF
  • jspdf-autotable
  • xlsx

Personal Portfolio

Mobile-first portfolio built with Astro and View Transitions. Hand-crafted design system, bilingual content, and zero JavaScript libraries on the critical path.

  • Astro
  • TypeScript
  • CSS

Job Platform

Laravel-based job platform built as a full-stack web application for publishing, browsing, and managing employment opportunities. Server-rendered views, database-backed workflows, and lightweight frontend interactivity.

  • PHP
  • Laravel
  • Blade
  • Vue
  • Tailwind CSS
  • Webpack
  • Laravel Mix

Awards

Recognition for work I am proud of.

  • National

    First Place in BBVA Hackathon CDMX

    Hackathon CDMX

    1st place

Let's build something together.

Open to full-stack roles, freelance contracts, and interesting LLM work. I usually reply within a day.