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Hi, I’m Carlos

Full-stack developer with 6+ years building web apps and AI-powered products, worked with teams at Realtor, The Home Depot, and more.

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Years of experience
6+
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About me

Carlos working remotely with coffee

Hi, I’m Carlos, a full-stack web and mobile developer based in Mexico City. I specialize in building scalable, high-performance applications with clean code and a strong focus on user experience.

With experience at companies like Realtor, The Home Depot, Indra, and Tich Solutions, I’ve worked on projects ranging from e-commerce platforms to enterprise systems. I’ve led frontend teams, collaborated in international environments, and built reusable, production-ready components using technologies like React, Next.js, Node.js, TypeScript, GraphQL, and SCSS.

I care deeply about code quality, performance, and design. I enjoy solving complex problems and bringing ideas to life through thoughtful, efficient, and maintainable solutions.

Let’s build something amazing together.

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Skills & Technologies

Frontend

  • React
  • Next.js
  • TypeScript
  • JavaScript
  • Angular
  • React Native
  • HTML5
  • Tailwind CSS
  • SCSS

Backend & APIs

  • Node.js
  • Express
  • GraphQL
  • Apollo
  • Python
  • REST APIs

AI & LLMs

  • OpenAI API
  • Claude API
  • Gemini API
  • LLM Integration

Databases & Cloud

  • MongoDB
  • PostgreSQL
  • Supabase
  • Firebase
  • AWS
  • Vercel
  • Docker
  • Git

Testing & Tools

  • Jest
  • React Testing Library
  • Jasmine

Services

Web Application Development

I build modern, scalable, and responsive web apps using React, Next.js, and Node.js — optimized for performance and SEO.

Mobile App Development

Cross-platform mobile apps using React Native that feel native and deliver fast, smooth user experiences on both iOS and Android.

Frontend Architecture

Clean, maintainable component architecture with SCSS or Tailwind.

Backend APIs & Database Integration

REST and GraphQL APIs with Node.js, Express, Firebase, or MongoDB — fully integrated with your frontend or third-party services.

Portfolio & Landing Page Development

Fast, SEO-ready landing pages or portfolios with custom design, animations, and admin panels to manage content.

CMS Integration or Admin Dashboards

Admin tools to update your site with no code. Firebase, headless CMS, or custom-made interfaces using React or Next.js.

How I Work

  1. 01

    Discover

    Understand the problem, goals, and constraints. Ask the right questions before writing a single line of code.

  2. 02

    Architect

    Plan the solution — data flow, component structure, API contracts, and tech choices. Decide what not to build.

  3. 03

    Build

    Write clean, typed, maintainable code in short iterations. Collaborate early and surface blockers fast.

  4. 04

    Test

    Unit, integration, and manual testing. Catch issues before users do and keep quality gates strong.

  5. 05

    Ship

    Deploy confidently with CI/CD, monitoring in place, and a clear rollback plan if anything goes wrong.

Experience

  1. Senior Full Stack Developer

    Tavant (contractor for Realtor.com)

    300M pageviews/month platform

    • Built Doberman v2, a production performance monitoring system integrating SpeedCurve (Synthetic + RUM) across all microfrontends — used New Relic traffic analysis and Amplitude feature flags to stay within a 25K synthetic check/month contract limit on a 300M pageview/month platform.
    • Created Doberman v1: a CI workflow (Sitespeed.io + CircleCI) that ran performance tests on every PR, blocked merges on budget breaches, and posted automated PR comments with per-route pass/fail tables.
    • Built and maintained Next.js microfrontend apps for Realtor.com — reusable components, pages, and unit tests in TypeScript, Jest, and React Testing Library, with quality gates in SonarQube. Contributed to sprint planning, spikes, and epic organization within a Scrum team.
    • Migrated legacy SSH scripts to Node.js/TypeScript, optimized CircleCI pipelines to reduce resource usage and costs, and contributed to Vite and Storybook migrations.
    • Used AI tools (Claude, Gemini) with structured context files to accelerate development, always reviewing output before shipping.

  2. Frontend Developer

    The Home Depot (via The Adecco Group)

    High-traffic U.S. e-commerce · React + GraphQL

    • Contributed to customer-facing e-commerce features for the U.S. market using React, Node.js, GraphQL, Apollo, and SCSS.
    • Developed responsive, accessible UI components following best practices.
    • Participated in agile workflows, daily stand-ups, and sprint planning using Jira and Scrum methodology.
    • Collaborated with international teams in English to ensure consistent delivery across markets.

  3. Software Lead Engineer

    Indra

    Led 7-person frontend team · 3 enterprise clients

    • Led a frontend team of 7 developers across multiple projects for clients like Telcel, Banco Sabadell, and Banco Caminos.
    • Developed and maintained SPAs using Angular, React, Redux, NgRx, and TypeScript.
    • Oversaw code reviews and implemented testing using Jest and Jasmine.
    • Worked closely with designers and backend engineers to ensure clean architecture and robust API integrations.

  4. Full Stack Developer

    Tich Solutions

    SSO implementation · React & Angular SPAs

    • Developed custom SPAs with React and Angular, focusing on component reusability and performance.
    • Implemented Single Sign-On (SSO) authentication using JSON Web Tokens (JWT).
    • Helped integrate front-end projects with backend services and cloud solutions.
    • Contributed to project planning and delivery in small, agile teams.

Portfolio

Filter by category
Web App

Tejiendo Historias

Full-stack psychotherapy platform with admin dashboard for managing blog posts and appointments, built with Next.js, Supabase, and Cloudflare.

Next.js 15TypeScriptTailwind CSSShadCN/UI+3
Catalog

Landing Page Arigio Audio e Iluminación

I designed and developed a modern landing page for Arigio Audio e Iluminación, focused on clear and attractive presentation of professional audio and lighting products.

Next.jsShadcnTailwindTypeScript+2
Landing Page

Carteras Landing Page

I developed a minimalist landing page to showcase a collection of leather wallets, optimized for performance, responsiveness, and conversion.

Next.jsShadcnTailwindTypeScript+1
E-commerce

The Home Depot – E-commerce Platform

I contributed to The Home Depot’s U.S. e-commerce platform, building key rental and delivery flows within a large-scale React architecture.

ReactGraphQLApolloSCSS+3
FinTech🔒 Internal

Banco Caminos - Simulator

I built an interactive mortgage simulator for Banco Caminos, guiding users through a step-by-step process to calculate and compare mortgage options based on their financial profile.

ReactTypeScriptSCSSTailwind+3
FinTech🔒 Internal

Banco Caminos - Explorer

I contributed to Banco Caminos’ property explorer tool, implementing dynamic components like tables, charts, and interactive modals to enhance the user experience.

ReactTypeScriptSCSSTailwind+3
FinTech🔒 Internal

Banco Sabadell – Mortgage Simulator

I developed key components of a mortgage simulator for Banco Sabadell, based on a reusable product designed to be adapted for multiple banks.

AngularTailwindTypeScripti18n+3
B2B🔒 Internal

Telcel - B2B Dashboard

Led a team of 7 developers to build Telcel’s B2B admin dashboard from scratch, implementing Scrum methodology and designing the project architecture.

AngularRxJSTypeScriptJasmine+4
Portfolio

My First Portfolio Website

My first personal portfolio built with React, showcasing early projects and creative animations.

ReactSCSSEmailJSNetlify

Get in Touch

Let's Build Something Great Together

Got a project or just want to say hi? Fill out the form or drop me an email.