Angel Valladares - Resume

Angel Valladares

Full-Stack Software Engineer & Web Developer (Node.js/Python) · n8n Automation Specialist · Upwork Top Rated

Tegucigalpa, Honduras (CST)

About

I am a full-stack freelance software engineer with a strong focus on backend web 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 for startups and established teams.

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 as a web developer and software engineer.

I am a Top Rated freelancer on Upwork with 100% Job Success Score. This achievement represents hundreds of hours of high-quality delivery and satisfied clients. My profile highlights clear communication and on-time delivery for companies hiring a software engineer, backend developer, or web developer (programador web). Whether you need a complex React application or an intricate n8n automation, I deliver maintainable code with reliable deadlines.

Work Experience

Freelance (Upwork)

April 2025 - Present

Full-Stack Software Engineer · Top Rated · 100% Job Success

As a Top Rated freelancer with 100% Job Success Score, I deliver backend-first solutions and end-to-end applications for clients worldwide. My Upwork profile shows hundreds of hours of high-quality delivery with excellent reviews and consistent positive feedback from satisfied clients.
  • 100% Job Success Score: Proven history of happy clients and exceptional project delivery.
  • Top Rated Badge: Recognition for consistently delivering high-quality work with excellent client satisfaction.
  • 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.
  • Clear communication and reliable deadlines are my priority for every project.
  • Node.js
  • NestJS
  • Express
  • Python
  • FastAPI
  • Flask
  • n8n
  • Next.js
  • React
  • PostgreSQL

Copenergy SA

Jul 2024 - Dec 2025

Full-Stack Developer & Electrical Plant Operator

Passionate professional combining software development expertise with operational management in the energy sector. Create and maintain applications that optimize operations and monitoring in the electrical plant, while developing web applications for various departments.
  • Developed web applications to optimize electrical plant operations and monitoring systems.
  • Managed electrical plant machinery and monitored systems for efficient and safe operation.
  • Combined technical and operational knowledge to deliver tailored solutions for business needs.
  • Committed to innovation and sustainability, improving existing processes through technology.
  • Contributed to a collaborative work environment with continuous improvement mindset.
  • Next.js
  • Node.js
  • Python
  • React
  • NestJS
  • SQL Server
  • PostgreSQL

DAI

Jul 2023 - Jan 2024

IT Auxiliary

Provided IT support and development services in a hybrid work environment.
  • Assisted in web development projects using C# and Microsoft SQL Server.
  • Provided technical support and maintenance for internal systems.
  • Collaborated with cross-functional teams on IT initiatives.
  • C#
  • Microsoft SQL Server
  • .NET
  • Web Development

DAI

Feb 2023 - Jun 2023

IT Intern

Completed internship focusing on web development and IT support.
  • Gained hands-on experience in web development with C# and SQL Server.
  • Assisted in developing and maintaining internal applications.
  • Participated in code reviews and team meetings.
  • C#
  • Web Development
  • .NET
  • SQL Server

TIGO (Milicom)

Mar 2019 - Jul 2019

Systems Analyst Intern

Completed internship at Tigo Honduras as a Systems Analyst.
  • Analyzed and documented system requirements and processes.
  • Provided IT support and assistance in telecommunications projects.
  • Gained exposure to large-scale telecommunications infrastructure.
  • Systems Analysis
  • IT Support
  • Telecommunications

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

Impactful Projects

Yiddish Jobs

Platform helping the Yiddish community in Boro Park, New York find employment. Assisted with web platform development, internal tools, and automation to support job seekers and local businesses.

  • Next.js
  • React
  • TypeScript
  • Tailwind CSS

Pinky's Store

E-commerce platform and inventory management system for a local cosmetics business. Automated sales processes and provided the owner with an internal tool for efficient inventory tracking and sales management.

  • Next.js
  • React
  • Node.js
  • PostgreSQL
Angel Valladares - Resume