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Marcos Fernandez SanchezMF

Marcos Fernandez Sanchez

Full Stack Developer | React | Spring Boot

€200/day
Sion, CH
3-7 years

Average response time: 1 hour

About Marcos

Freelance Full Stack Developer specialized in Java / Spring Boot and React.

I help companies design, build, and maintain scalable web applications, with a strong focus on clean architecture, API development, and performance.

I have worked on enterprise and digital transformation projects for international clients, delivering robust back-end solutions and modern front-end interfaces.

My experience covers the full development lifecycle: requirements analysis, development, testing, deployment, and maintenance. I am comfortable working autonomously or within agile teams.
  • Spanish

    Native or bilingual

  • English

    Fluent

  • French

    Fluent

Can work on-site
Sion (up to 50km)

Experience

  • Freelance
    Freelance
    LOGISTICS AND SUPPLY CHAIN
    July 2025 - Today (11 months)
    Sion, VS, Switzerland
    Working as a freelance full stack developer, supporting clients in building and maintaining web applications. Involved in end-to-end development, from requirement analysis to deployment, with a strong focus on delivering scalable, reliable, and user-centered solutions.
    Contributed to the development of enterprise-level applications, working in an agile team to design and implement features for internal and client-facing systems. Ensured code quality through best practices, testing, and continuous integration, while collaborating closely with cross-functional teams to meet business goals.
    Spring boot React.js SQL Docker Kubernetes
  • Ricoh España
    Full Stack Developer
    PUBLIC SECTOR
    April 2024 - July 2025 (1 year and 3 months)
    Oviedo, Spain
    Contributed to the development of enterprise-level applications, working in an agile team to design and implement features for internal and client-facing systems. Ensured code quality through best practices, testing, and continuous integration, while collaborating closely with cross-functional teams to meet business goals.
    Spring boot React.js SQL Docker Kubernetes
  • Minsait
    Full Stack Developer
    LOGISTICS AND SUPPLY CHAIN
    March 2023 - April 2024 (1 year and 1 month)
    La Corogne, Spain
    Participated in large-scale digital transformation projects, delivering full stack solutions aligned with client requirements. Played a key role in integrating back-end services with modern front-end applications, improving system performance and user experience. Worked within agile frameworks, contributing to sprint planning and code reviews.
    Spring boot React.js SQL Docker Kubernetes

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Education

  • Higher Level Training Cycle, Web Application Development
    CIFP La Laboral
    2025
    Higher Level Training Cycle, Web Application Development
  • Higher Level Training Cycle, Multiplatform Application Development
    IES Monte Naranco
    2022
    Higher Level Training Cycle, Multiplatform Application Development

Skill set

Categories