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Antonio Jesús González DomingoAJ

Antonio Jesús González Domingo

Full Stack Developer — React, Node.js, PHP

€220/day
Huelva, ES
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Antonio Jesús

Full Stack Developer focused on modern, maintainable, and fast web applications. I work daily with React + TypeScript + Tailwind on the front-end and Node.js, PHP, and MySQL on the back-end.

I am currently part of the Iberbox team, a secure cloud file management SaaS platform, where I develop new end-to-end features using Agile methodologies (Scrum), with Git and Docker in my daily work. Previously, at Cinco. Think and Co., I developed and customized tailor-made WordPress + PHP sites.

How can I help you:
• Custom web applications with React + Node.js + MySQL
• Integrations with REST and third-party services (payments, auth, Twilio, Firebase, Supabase)
• Modern landing pages and portfolios with React + Tailwind + framer-motion
• Bug fixes, refactoring, and new features on existing code
• WordPress customization and custom PHP development
• Microsoft Certified: Azure AI Fundamentals (AI-900)

How I work:
• Clean, typed, and documented code — designed so anyone can pick it up in 6 months
• Honest estimates: if something will take more time or cost, I'll let you know before starting
• Agile communication within European hours (CET)
• Native Spanish + conversational English — ideal for projects in the Hispanic and European markets

Tell me what you need with a short brief and I'll get back to you with realistic scope, timelines, and pricing. No beating around the bush.
  • Spanish

    Native or bilingual

  • English

    Conversational

  • Portuguese

    Basic

Remote only
Primarily works remotely

Experience

  • Iberbox
    Full Stack Developer
    June 2025 - Today (1 year)
    Huelva, Spain
    Full Stack Development of a secure cloud file management SaaS platform.
    • Development of end-to-end features with React.js (front-end), Node.js and PHP (back-end), and MySQL.
    • Development and maintenance of WordPress websites.
    • Integration of APIs and third-party services to automate processes.
    • Work under Agile methodologies (Scrum), with Git for version control and Docker for development and deployment environments.
    • Participation in code reviews and continuous improvement of the codebase.
    PHP React.js MySQL Docker Wordpress
  • Cinco. Think and Co.
    Front-End Developer (Internship)
    February 2025 - March 2025 (1 month)
    Huelva, Spain
    Configuration of networks and printers, including print servers. Implementation of FacturaScript on various websites. Modification of PHP code for new functionalities. Troubleshooting WordPress issues and developing pages with CSS.
    PHP Wordpress CSS3 JavaScript HTML5
  • Icono Informática
    IT Technician (Internship)
    March 2024 - June 2024 (3 months)
    Lepe, Spain
    Repair and maintenance of computers and peripherals. Installation and configuration of hardware and software.
    IT Maintenance Hardware Windows Linux Technical Support

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Education

  • Higher Degree in Web Application Development
    I.E.S. La Arboleda
    2025
    CFGS Desarrollo de Aplicaciones Web
  • Intermediate Degree in Microcomputer Systems and Networks
    I.E.S. La Arboleda
    2024
    CFGM de Sistemas Microinformáticos y Redes

Certifications

  • Microsoft Certified: Azure AI Fundamentals (AI-900)
    Microsoft
    2025
    Artificial Intelligence Machine Learning Microsoft Azure

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