Full-Stack Developer with strong experience in React and backend systems, focused on delivering clean, reliable solutions under tight deadlines. I have completed and shipped production-ready web applications involving frontend optimization, backend integration, and thorough testing, working independently while collaborating closely with stakeholders in fully remote settings. I’m comfortable reviewing existing codebases, integrating new features, troubleshooting issues, and ensuring performance and maintainability. Highly self-driven, detail-oriented, and available to start immediately, I’m confident in delivering a polished React + Supabase solution within the one-week timeline.

David Guzmán

Full-Stack Developer with strong experience in React and backend systems, focused on delivering clean, reliable solutions under tight deadlines. I have completed and shipped production-ready web applications involving frontend optimization, backend integration, and thorough testing, working independently while collaborating closely with stakeholders in fully remote settings. I’m comfortable reviewing existing codebases, integrating new features, troubleshooting issues, and ensuring performance and maintainability. Highly self-driven, detail-oriented, and available to start immediately, I’m confident in delivering a polished React + Supabase solution within the one-week timeline.

Available to hire

Full-Stack Developer with strong experience in React and backend systems, focused on delivering clean, reliable solutions under tight deadlines. I have completed and shipped production-ready web applications involving frontend optimization, backend integration, and thorough testing, working independently while collaborating closely with stakeholders in fully remote settings. I’m comfortable reviewing existing codebases, integrating new features, troubleshooting issues, and ensuring performance and maintainability. Highly self-driven, detail-oriented, and available to start immediately, I’m confident in delivering a polished React + Supabase solution within the one-week timeline.

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Experience Level

Expert

Language

Spanish; Castilian
Fluent
English
Fluent
German
Beginner

Work Experience

Backend Engineer at Galgo
September 1, 2024 - Present
Focused on backend development within the Risk Underwriting team, developing and maintaining NestJS microservices using an event-driven architecture. Responsibilities included implementing fraud detection logic and collaborating with stakeholders.
Full-Stack Developer at Entel Developing Team
August 1, 2024 - September 1, 2025
Built multiple responsive web applications and robust form validation systems while managing state using Zustand and TanStack Query, and designed backend endpoints with Express.js.
Freelance Full-Stack Developer at Self-Employed
December 1, 2022 - September 1, 2025
Designed and developed a customer-facing portal and admin dashboard from scratch, implementing responsive UI and scalable backend architecture.
Entrepreneur at Rumen Carnes Ahumadas
November 1, 2021 - March 1, 2023
Founded and operated a restaurant and food processing company, managing operations and customer experience.
Sales Engineer at Industrial Sector
January 1, 2012 - January 1, 2019
Provided technical sales support and built long-term client relationships across various sectors.

Education

Materials Engineer at Simón Bolívar University
January 1, 2005 - January 1, 2011
Advanced English (C1) at Centre of English Studies
January 1, 2013 - January 1, 2014

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Consumer Goods

Experience Level

Expert

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