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oosoriog/README.md

Hi there! I'm Óscar 👋

I'm a Senior Backend Engineer focused on building resilient systems, clean architecture, and scalable microservices.

Currently working as a Centers Senior Developer at NTT DATA, often taking Tech Lead responsibilities for major clients (Inditex, AENA, Acciona). My day-to-day involves:

  • Java & Spring Boot (Hexagonal Architecture specialist)
  • 🚀 High Concurrency & Performance (Real-world production environments)
  • 🐳 CI/CD & DevOps (GitHub Actions, Docker automation)
  • 💾 PostgreSQL & Distributed Systems

⚠️ A note on my activity

Most of my professional work happens in private enterprise repositories protected by NDAs. My public contribution graph might look quiet, but I'm shipping production code daily! 👨‍💻


🛠 Tech Stack & Proficiency

  • Core (Daily use): Java (Spring Boot), Microservices, REST APIs, PostgreSQL, Docker, Git.
  • Proficient: Python (Django background).
  • Versatile: C & C# (Legacy migrations & specific modules).
  • Adaptability: Language-agnostic, i can ramp up on any stack quickly.

🎓 Background & Education

  • MSc & BSc in Computer Engineering (University of Granada).
  • Full Stack Background: Experience with Angular, JavaScript, and Frontend development in previous roles.

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