Angel Valladares's Resume

Angel Valladares

Full-Stack Backend (Node/Python) · n8n Automation Specialist

Tegucigalpa, Honduras, CST

About

I am a full-stack software developer with a strong focus on backend development. I specialize in building scalable and efficient server-side applications using Node.js (NestJS, Express) and Python (FastAPI, Flask). My experience spans designing robust APIs, managing data workflows, and integrating AI models into production systems.

I have a solid background in implementing AI features such as large language model (LLM) integration, speech recognition, text-to-speech, and other intelligent services. While my core expertise is backend architecture and AI integration, I am also proficient in frontend development using React and Next.js, allowing me to deliver complete, end-to-end web applications.

I am a Top Rated freelancer on Upwork with ~1 year of freelancing experience and a strong earnings record that reflects the quality and consistency of my work. I also work as a Software Developer at a hydroelectric power plant, where I help build and maintain internal systems. In my free time, I deliver solutions that include web applications, automation workflows (n8n), and AI integrations using intelligent agents.

Work Experience

Freelance (Upwork)

2024 - Present

Full-Stack Developer · Top Rated

As a Top Rated freelancer I deliver backend-first solutions and end-to-end applications for clients worldwide.
  • Designed and built production-grade REST/GraphQL APIs and services in Node.js and Python.
  • Implemented AI-powered features: LLM integrations, speech-to-text, and text-to-speech.
  • Created automation workflows and internal tools using n8n, integrating third-party services.
  • Delivered full-stack web apps with Next.js/React, focusing on performance and maintainability.
  • Maintained excellent client satisfaction and a strong earnings track record on Upwork.
  • Node.js
  • NestJS
  • Express
  • Python
  • FastAPI
  • Flask
  • n8n
  • Next.js
  • React
  • PostgreSQL

Copenergy

2024 - Present

Software Developer

Software Developer at a hydroelectric power plant — building and maintaining internal systems and tooling.
  • Developed and maintained web applications using Node.js and React.
  • Designed and optimized MySQL databases for reliability and performance.
  • Collaborated with operations teams to streamline workflows and reporting dashboards.
  • Node.js
  • React
  • MySQL
  • MUI
  • JavaScript

Education

Universidad Nacional Autónoma de Honduras (UNAH)

2016 - 2025
Systems Engineering

Skills

  • Node.js
  • NestJS
  • Express
  • Python
  • FastAPI
  • Flask
  • n8n
  • Next.js
  • React
  • TypeScript
  • PostgreSQL
  • MySQL
  • MongoDB
  • GraphQL
  • REST APIs
  • Docker
  • OpenAI API
  • LLMs
  • Tailwind CSS
  • Oracle
  • SQL Server
  • HTML/CSS