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.

  • Pantry (opens in new tab)

    Recipe generator that builds suggestions from ingredients already in your kitchen. Set cooking time, difficulty, and dietary preferences to get AI-powered recipes — no shopping list required.

    TanStack Start · Cloudflare Workers · Workers AI · D1

Experience

Frontend Developer

JDK Tech · Grand Prairie, Texas, United States

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  • 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.
  • 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

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  • 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

Freelance

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  • 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 Gerardo Barrios

    June 2021 – December 2024

  • Technical degree in systems engineering, programming

    Universidad Capitán General Gerardo Barrios

    2018 – 2020