hector
Languageenes

Available for work · El Salvador

Software Engineer

I'm a software engineer with 3 years of experience building web apps — ERP, logistics, e-commerce, and SaaS. I care about React, TypeScript, clear UX, and maintainable systems.

Also shipping with Node.js, PostgreSQL, and Cloudflare when the product needs it.

Selected work

Things I've built and shipped.

Experience

Frontend Developer

JDK Tech · Grand Prairie, Texas, United States

— Present

  • Refactored and optimized frontend components using React, Next.js, and TanStack Query, improving performance, scalability, and maintainability.
  • Built reusable UI components and application features with Next.js and TanStack Start, focusing on modern routing, data fetching, and developer experience.
  • Led the integration of a new CI/CD pipeline to deploy products from Azure to Vercel using the Vercel CLI, automating releases and improving deployment reliability across the product suite.
  • Developed data-driven interfaces by integrating Headless WordPress as a CMS, consuming REST APIs to power dynamic content.
  • Built and maintained responsive landing pages using Astro and SCSS, ensuring design consistency and a mobile-first approach.
  • Developed a chatbot proof of concept (PoC) in JavaScript to explore improvements in user interaction and automation.
  • Reviewed pull requests and collaborated with the team to promote best practices, maintain high code quality, and ensure consistent frontend standards.

Frontend Developer

BetaCode · El Salvador

—

  • Built frontend and backend features for e-commerce and event platforms, including dashboards, filtering systems, real-time updates, administrative tools, and API integrations.
  • Developed reusable components and scalable workflows that reduced repetitive operational tasks and improved maintainability across multiple projects.

Full Stack Developer

Independent

—

  • Collaborated in the creation of a user interface that allowed users to view and manage earnings, improving accessibility and clarity of financial data.
  • Developed custom formulas similar to Excel, enabling users to perform calculations within the platform.
  • Created and integrated backend endpoints for various pages, ensuring smooth data flow between frontend and backend.
  • Implemented drag-and-drop functionality for intuitive reordering and management of elements within the platform.
  • Developed new API endpoints to support frontend features and data workflows.

Skills

JavaScript · TypeScript · React · Next.js · TanStack Start · Tailwind CSS · Node.js · NestJS · PostgreSQL · ExpressJS

Education

  • Software Engineer, Computer Science

    Universidad Capitán General Gerardo Barrios

    June 2021 – December 2024

  • Technical degree in systems engineering, programming

    Universidad Capitán General Gerardo Barrios

    2018 – 2020