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Xabier FigueroaXF

Xabier Figueroa

.NET Developer | APIs, Automation & Custom

€180/day
Bilbao, ES
3-7 years

Average response time: 1 hour

About Xabier

Spanish
Desarrollador backend .NET con 3 años de experiencia profesional construyendo APIs REST, servicios de automatización y aplicaciones de escritorio en entornos industriales y de ciberseguridad. He trabajado con C#, ASP.NET Core, PostgreSQL y Docker en proyectos reales desplegados en cliente, incluyendo una estancia técnica en Suiza.
Me especializo en solucionar problemas concretos: integrar sistemas legacy, automatizar flujos de datos manuales, o construir una API limpia desde cero. Si tienes algo funcionando con Excel o un proceso manual que debería ser software, es exactamente el tipo de proyecto en el que trabajo bien.
Disponible para proyectos remotos de corta o media duración. Respondo rápido y entrego código documentado y mantenible.

English
.NET backend developer with 3 years of professional experience building REST APIs, automation services, and desktop applications in industrial and cybersecurity environments. I've worked with C#, ASP.NET Core, PostgreSQL, and Docker on real client-facing projects, including an on-site technical deployment in Switzerland.
I focus on concrete problems: integrating legacy systems, automating manual data workflows, or building a clean API from scratch. If you're running a business process on spreadsheets that should be software, that's exactly the kind of project I'm good at.
Available for short to mid-length remote projects. Fast communication, documented and maintainable code delivered.
  • Spanish

    Native or bilingual

  • English

    Fluent

  • German

    Basic

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

Experience

  • INGENOBA SISTEMAS SL
    Backend Engineer C# & .NET
    MECHANICAL ENGINEERING
    March 2023 - November 2023 (8 months)
    Leioa, PV, Spain
    - Built a real-time facility monitoring application consuming live sensor and machine data from PostgreSQL, displayed on large-format screens at client premises.
    - Developed a cross-platform .NET MAUI application enabling field technicians to monitor live sensor logs and receive real-time push notifications for equipment warnings via SignalR.
    - Reduced Azure infrastructure costs by 50% by auditing and consolidating redundant API calls across data pipelines
    - Implemented enterprise authentication using Microsoft Entra ID (Azure AD) for secure client access management.
    - Built and maintained Azure DevOps CI/CD pipelines supporting iterative delivery across multiple client environments.
    .NET Azure DevOps PostgreSQL Docker Desarrollo Back-End
  • RKL - RISKLESS INTEGRAL S.L.
    C# & Unity3D Developer
    INTERNET OF THINGS (IOT)
    September 2021 - March 2022 (6 months)
    Bilbao, PV, Spain
    Re-architected a cloud-based VR security control application as a local system in C#, achieving an 80% performance improvement and Led development of a VR training platform showcased at multiple major technology trade fairs
    C# Unity 3D Software as a Service (SaaS) Cybersecurity VR
  • INGSYS
    Software developer in Python
    LOGISTICS AND SUPPLY CHAIN
    March 2021 - September 2021 (6 months)
    Arroyo San Vicente - San Vicente erreka, Saint Vincent, PV, Spain
    Reduced ERP deployment times by 60% by containerising TrytonERP with Docker and developed custom TrytonERP modules in Python to extend platform functionality for industrial client workflows
    Docker PostgreSQL Python ERP OpenERP

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Education

  • Curso de Desarrollo de Apps Móviles
    Curso de Desarrollo de Apps Móviles
  • Software Development
    Centro de estudios Almi
    2021
    Software Development

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