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
- FreelanceFreelanceLOGISTICS AND SUPPLY CHAINJuly 2025 - Today (11 months)Sion, VS, SwitzerlandWorking 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.
- Ricoh EspañaFull Stack DeveloperPUBLIC SECTORApril 2024 - July 2025 (1 year and 3 months)Oviedo, SpainContributed 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.
- MinsaitFull Stack DeveloperLOGISTICS AND SUPPLY CHAINMarch 2023 - April 2024 (1 year and 1 month)La Corogne, SpainParticipated 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.
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Education
- Higher Level Training Cycle, Web Application DevelopmentCIFP La Laboral2025Higher Level Training Cycle, Web Application Development
- Higher Level Training Cycle, Multiplatform Application DevelopmentIES Monte Naranco2022Higher Level Training Cycle, Multiplatform Application Development