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Juan Manuel Alonso RodriguezJM

Juan Manuel Alonso Rodriguez

Java Developer

€100/day
Sevilla, ES
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Juan Manuel

I am a web developer with real experience in backend and frontend projects using technologies such as PHP, Laravel, Java, Spring Boot, JavaScript, Angular, MySQL, HTML5, CSS, among others. I specialize in creating web pages, online stores, administrative panels, custom integrations, and automations.

I offer a fast, clear, and flexible service, ideal for companies and entrepreneurs who need professional results without complications. I adapt to each project, contributing ideas and maintaining close communication throughout the process.

What I can do for you:

Full web development (frontend + backend)

Online stores (Prestashop, Laravel, custom)

APIs and microservices

Optimization, maintenance, and improvements

Bug fixing and technical support

If you need a committed, problem-solving developer with a forward-thinking vision, I am ready to help you.
  • Spanish

    Native or bilingual

  • English

    Conversational

Remote only
Primarily works remotely

Experience

  • EXIS-TI/NTTDATA(Subcontrata)
    Java Developer
    November 2025 - Today (7 months)
    Madrid, Spain
    Development of microservices in Java and Spring Boot, ensuring scalability and maintenance. Participation in an agile team, performing pair programming and managing versions with Git and GitHub. Integration with internal systems and adherence to best practices for testing, documentation, and quality control. Collaboration in defining REST endpoints and services for internal process automation.
    Java Maven Oracle Spring boot HTML5
  • Linkses
    Web Developer
    March 2025 - June 2025 (3 months)
    Active participation in real web development projects, collaborating with the technical team on key tasks that improved operational efficiency and the organization of internal processes. Development of custom functionalities on the PrestaShop platform, including module adaptation with PHP, integration of external solutions, and enhancement of the user experience in e-commerce environments. Development of technical and professional skills through the implementation of advanced practices in a dynamic environment. Focus on continuous improvement, applying knowledge in PHP, MySQL, and HTML/CSS to adapt to the specific needs of each project.
  • Freelance
    Web Developer
    January 2022 - Today (4 years and 5 months)
    Execution of tasks in functional analysis, interface design, backend and frontend development, testing, maintenance, and post-launch support. Implementation of solutions with Java (Spring Boot), PHP (Laravel), and JavaScript (Angular), working on MySQL databases and modern web environments. Focus on user experience, site performance, security, and good development practices, ensuring scalable and maintainable solutions.

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Education

  • Web Application Development
    IES Ruiz Gijón
    2025
    Desarrollode aplicacionesweb
  • Microcomputer and Network Systems
    IES Delgado Brackenbury
    2022
    Sistemade microinformáticayredes

Skill set

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