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Raúl Fernández EspañaRF

Raúl Fernández España

Backend Software Engineer | .NET & Java | GenAI in

€175/day
Oviedo, ES
0-2 years

Average response time: 1 hour

About Raúl

Ingeniero de Software especializado en Backend corporativo. Ayudo a las empresas a construir arquitecturas robustas, APIs y microservicios escalables. Mi experiencia combina el desarrollo de software industrial (sistemas WMS), la docencia técnica y un sólido background en Análisis de Datos (2010) que me permite entender a fondo la lógica de negocio.

► Stack Principal: Java (Spring Boot, Hibernate), C# (.NET Core), Python.
► Arquitectura: APIs REST, Microservicios, Clean Code, Alta Disponibilidad.
► Bases de Datos: SQL, PL/SQL, Modelado Relacional.
► Plus: Integración de IA Generativa y Testing Automatizado.

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Software Engineer specializing in corporate Backend development. I help companies build robust architectures, APIs, and scalable microservices. My experience bridges industrial software (WMS), technical instruction, and a strong background in Data Analysis (2010) to deeply understand your business logic.

► Core Stack: Java (Spring Boot, Hibernate), C# (.NET Core), Python.
► Architecture: RESTful APIs, Microservices, Clean Code, High Availability.
► Databases: SQL, PL/SQL, Relational Modeling.
► Plus: Generative AI integration & Automated Testing.
  • Spanish

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • Polss
    Programming Instructor
    February 2024 - Today (2 years and 4 months)
    Oviedo, Municipality of Oviedo, Asturias, Spain
    Delivered interactive, classroom-based lessons on core Java concepts, ensuring students grasped
    everything from basic data types to advanced object-oriented techniques. Built a strong learning
    environment by incorporating real-world examples, coding labs, and personalized guidance.
    Python Java
  • Mecalux
    Software Engineer Internship
    LOGISTICS AND SUPPLY CHAIN
    January 2025 - June 2025 (5 months)
    Implemented tools to assess language model performance, developed automated testing procedures, and leveraged Red Teaming tactics to prevent issues like information leakage, inappropriate content generation, and tool misuse.
    IA Generativa
  • Mecalux Software Solutions
    Software Engineer
    September 2025 - Today (9 months)
    Contributor to the development of enterprise-grade WMS software. Leveraged a strong .NET core alongside a broad stack of auxiliary technologies to solve complex automation challenges. Focused on writing clean, maintainable code for high-availability systems in a fast-paced industrial environment
    .NET

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