Héctor Muñoz

Senior Full Stack Engineer

Computer Systems Engineer specialized in web solutions with high proficiency in React.js, TypeScript, Node.js and AWS.
Senior Full Stack Engineer with 4+ years of experience building and shipping production applications across the full stack. Proficient in React, TypeScript, and Node.js, with hands-on AWS experience in production environments. Focused on code quality, testing, and clean architecture — with experience working in cross-functional teams, mentoring developers, and delivering features end-to-end.

hectorm.flores09@gmail.com|(52) 474-136-7606|Lagos de Moreno, Jalisco, México

Experience

Senior Software Engineer

DataArt - Monterrey, México - Remote

Aug. 2024 - Present

Founded in 1997, DataArt is a global software engineering company and the trusted technology partner of market leaders. It provides custom software development and IT consulting services to clients across multiple industries.

Senior Software Engineer

Patracorp - El Dorado Hills, California

Aug. 2024 - Present

Patra is a leading provider of technology-enabled insurance outsourcing services and AI-powered software solutions.

Activities

Email Threading System: Designed and built a threading system on a service processing 60,000+ emails/week, enabling users to track full conversation context and reducing context-switching for support agents.

Email Configurability: Implemented default email configuration per company and service type, plus a template editor with variable support and user feedback.

Performance Engineering: Migrated complex SQL datasets to MongoDB and optimized nested document structures, reducing data fetch/save times from ~10 seconds to milliseconds for large-scale fields.

Feature Flags: Implemented a Feature Flag system to decouple deployments from releases, enabling dark launches and stable rollouts of complex system updates.

Senior Software Engineer (AWS Full Stack)

IBM - Guadalajara, México - Remote

Nov. 2023 - Aug. 2024

IBM integrates technology and expertise, providing infrastructure, software (such as market leader Red Hat), and consulting services for clients on their path to digital transformation of critical global businesses.

Senior Engineer (React-focused)

USAA - San Antonio, Texas

Nov. 2023 - Aug. 2024

USAA is a Fortune 500 diversified financial services group of companies serving military members and their families with insurance, banking, and investment services.

Activities

Offline-First Delivery: Built a fully functional offline version of the application using MSW (Mock Service Worker) before APIs were complete, enabling seamless stakeholder demos and unblocking the product roadmap.

Test Coverage: Built a highly reliable application with 80%+ unit test coverage and comprehensive E2E tests, ensuring smooth user flows for critical financial services.

API Contract Collaboration: Worked closely with the Backend team to define and consume API contracts through constant communication, ensuring seamless front-to-back integration.

Mentorship: Mentored multiple engineers in React best practices through pair programming and PR reviews, raising team code quality and reducing review cycles.

Full Stack Engineer

Nextia (Product: Goroot.ai) - Ciudad de México, México - Remote goroot.ai ↗

Feb. 2023 - Nov. 2023

Nextia is a digital transformation consultancy with its own software development factory. We have 8 years of experience and have delivered over 80 projects in Mexico and North America.

Activities

Sole Engineer — Contact Center Platform: Owned the full architecture and development of Goroot.ai, a contact center integrated with ActiveCampaign CRM — handling calls, WhatsApp messaging, tasks, and campaign management end to end.

Messaging Automation: Replaced manual scripting with a self-serve campaign builder (pipeline filters, user-type filters, message templates via Bull queue). Weekly campaigns grew from ~10 to 30+ (3× increase), each sending 3,000+ messages — and setup time dropped from a full day to minutes.

Platform Consolidation: Consolidated fragmented call, task, and messaging tools into a unified platform, tripling agent efficiency and streamlining operations.

Reporting & Analytics: Built campaign dashboards tracking delivery rates, failures, and performance metrics across messaging and call campaigns.

Front End Lead (AWS Full Stack)

Mxmart Solutions - Guadalajara, México - Hybrid

Jul. 2022 - Feb. 2023

Mxmart Solutions is a company that develops cloud-based solutions and services, focusing on effectively addressing the needs of its clients. We are Advanced Consulting Partners of Amazon Web Services (AWS).

Activities

Clean Architecture Adoption: Identified fragmented component structure, pitched Clean Architecture to the CTO and Tech Lead with a live code demo, gained buy-in, and was promoted to Front End Lead. Rolled it out across 3 projects, improving module visibility, encapsulation, and long-term maintainability.

High-Scale Delivery: Led frontend development for Universidad de Guadalajara's student portal, delivering grade access to millions of active users.

Bug Elimination via Testing: Diagnosed and fixed a timezone-aware date alert bug affecting students in Mexico and Spain. Implemented unit tests covering multiple timezone scenarios — eliminating recurring incidents that had occurred every 2–3 weeks.

Real-Time Systems: Engineered real-time data synchronization using AWS AppSync and WebSocket Lambda for low-latency cross-application communication.

Full Stack Developer (Professional Practices)

Tecnológico Superior de Jalisco - Lagos de Moreno, México

Jan. 2020 - Jun. 2022

Activities

Full-Stack Migration: Modernized a legacy PHP platform to a React/Express stack, reducing technical debt and improving system responsiveness.

Platform Engineering: Built a Job-Bank portal for graduates with role-based authentication and automated CV tracking.

Agile Delivery: Shipped production-ready applications within the university's Software Development Cell following Agile methodologies.

Education

Computer Systems Engineer

Tecnológico Superior de Jalisco2018–2022

Technical Skills

Languages

JavaScriptTypeScriptPythonC#

Frontend

ReactNext.jsTanStack QueryTailwind CSSStorybookshadcn/uiViteReact RouterRedux

Backend

NestJSExpressNode.jsWebSockets (Socket.io)GraphQL

Testing / QA

JestReact Testing LibraryCypressSupertestMSW

Cloud (AWS)

EC2LambdaS3API GatewayCognitoRDSSQSSNSAppSync

Cloud (Azure)

NoSQL TablesBlob Storage

Databases

PostgreSQLMySQLSQL ServerDynamoDBMongoDBRedis

DevOps & AI Tooling

GitGitHub ActionsDockerClaude CodeGitHub Copilot

Certifications

AWS Certified Cloud Practitioner

Issued Oct. 2022 - Expires Oct. 2025

ID: 61XQJN1KZMV41KW3

React - Guía definitiva: hooks router redux next +Proyectos

Issued Oct. 2022 - Expires No expiration date

ID: UC-ebe0f89d-2da3-42cf-94c0-675d098cca00

My projects

Acceleracers RAG

Jun 2026

Personal

A RAG-powered chatbot for the Hot Wheels Acceleracers universe. Ask questions about characters, realms, accelechargers, drivers, and teams. The system scrapes the Acceleracers Fandom Wiki, indexes it into a local vector store using Ollama and Vectra, and answers with context retrieved from...

TypeScriptReactHonoTailwind CSSViteOllama+6

Boxbook

Feb 2022

Personal

A books application that uses the Google Books API. The app allows you to save books into your own custom catalog and track your reading progress like a record. Additionally, you can add friends based on your location.

Node.jsExpress.jsMySQLReact.jsBootstrapSocket.io+1

Pile Overflow

Mar 2022

Personal

A Stack Overflow clone with all the basic Stack Overflow features, built from scratch. As a user, you can publish questions and answer other users’ questions. You can also edit or delete your own questions.

React.jsNode.jsExpress.jsMySQLBootstrapJSON Web Token

Control de Encuestas y Bolsa de Trabajo

Feb 2022

For Company

Control de Encuestas y Bolsa de Trabajo screenshot

The Survey Control and Job Bank was a project for Tecnológico Superior de Jalisco professional practices. The two needs to resolve were: 1. Improve the graduate survey by providing a better UI/UX and a more efficient way to generate reports from this survey. 2. Create an in...

Node.jsExpress.jsMySQLReact.jsBootstrapJSON Web Token

Eugenia Invitations

Jan 2023

Personal

An app for a technical interview which I enjoyed very much. The app allows users to create invitations by generating QR Codes. When you scan the invitations, you receive data such as the expiration time and the invitation creator. You can also paginate invitations from the dashboar...

Node.jsExpress.jsMySQLReact.jsTailwind CSSReact Query

Node Notes (React)

Dec 2021

Personal

Node Notes, built with React.js and Express.js in the backend, is not a monorepo; the API is in a separate project. The API was built with Express.js. Essentially, I migrated Node Notes into a Server and Client application. The primary objective was to learn React and how to bu...

Node.jsExpress.jsBootstrapMySQLReact.jsAOS

Eden Online

Nov 2021

School Project

A project about a Web App to help Eden Bar & Lounge modernize its restaurant. The project's primary objective is order management for clients. Each order can contain a drink or a dish. Eden Bar & Lounge has a chef and a bartender; the chef prepares the food, and the bartender makes th...

Node.jsExpress.jsMySQLBootstrapSocket.ioHandlebars template engine+1

Node Notes (SSR)

Jun 2021

Personal

Node Notes was my first Node.js personal project to learn Node.js from scratch. This was my first time implementing user-based authentication. In the app, you can list, add, update, and delete notes, and you can list notes based on importance. Every user can only interact with their ...

Node.jsExpress.jsBootstrapEJS template enginePassport.js