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Christian-Held/README.md

๐Ÿ‘‹ Hi, Iโ€™m Christian Held

๐Ÿ’ป Senior Software Engineer | Full-Stack Developer | AI Enthusiast

Iโ€™m passionate about building robust, scalable, and innovative applications โ€“ from backend services to intelligent systems powered by AI. With more than 15 years of professional experience in software development (Java, Spring Boot, enterprise applications, distributed systems), I recently focused on cloud-native architectures, Kubernetes, and Large Language Models (LLMs) to stay at the cutting edge.


๐Ÿš€ About Me

  • ๐ŸŽฏ Full-Stack Engineer with strong backend focus (Java, Spring Boot, Jakarta EE) and frontend skills (React, Angular).
  • ๐Ÿค– Exploring AI/ML & LLMs with hands-on projects around RAG (Retrieval-Augmented Generation), vector databases, and secure local deployments.
  • โ˜๏ธ Building cloud-native solutions with Docker, Kubernetes, and AWS.
  • ๐Ÿ—๏ธ Transitioning from enterprise monoliths to modern microservices & event-driven architectures (Kafka).
  • ๐Ÿ“š Actively learning and experimenting with cutting-edge tools through projects, courses, and certifications.

๐ŸŒฑ Currently Working On

  • Backend Development: Robust microservices using Spring Boot & Jakarta EE.
  • Frontend Development: Learning Angular to deliver modern, interactive UIs.
  • AI Prototyping: Building solutions with open-source LLMs, embeddings, and RAG.
  • DevOps & Cloud: Kubernetes clusters, container orchestration, and AWS services.

๐Ÿ‘€ Interests

  • ๐Ÿงฉ Designing end-to-end software solutions that solve real-world problems.
  • โšก Exploring Generative AI for business and productivity tools.
  • ๐Ÿ”„ Applying event-driven architectures with Kafka for resilient systems.
  • ๐Ÿ—๏ธ Improving skills in software architecture (CPSA-FL certification in progress).

๐Ÿ’ž๏ธ Collaboration

Iโ€™m open to collaborating on:

  • ๐ŸŒ Open-source projects (Java, Spring Boot, AI/ML, DevOps).
  • ๐Ÿ“ฑ Tools & apps that simplify everyday tasks.
  • ๐Ÿค Research or proof-of-concept projects involving AI in real-world domains (finance, healthcare, automation).

โšก Fun Facts

  • ๐Ÿ› ๏ธ Love tinkering with gadgets, Raspberry Pi, and automation projects.
  • ๐ŸŒฒ When not coding, Iโ€™m outside exploring nature with my family.
  • ๐ŸŽฎ Gamer with a taste for deep, strategic worlds (think Dune Awakening, Path of Exile 2, or The Last of Us).

๐Ÿ† Courses & Certifications

๐Ÿ“š Selected Udemy & Professional Training:

  • Machine Learning with Python (Jan Schaffranek)
  • Open-source LLMs: Uncensored & Secure AI with RAG
  • Certified Kubernetes Administrator (CKA) โ€“ Training & Practice Tests
  • AWS Certified Cloud Practitioner (2025)
  • AWS Certified DevOps Engineer โ€“ Professional (2025)
  • AWS Certified Advanced Networking Specialty (2025)
  • Kubernetes Foundations (Maximilian Seifert)

๐ŸŽ“ Upcoming:

  • Certified Professional for Software Architecture โ€“ Foundation (CPSA-FL)

โญ๏ธ โ€œTechnology should not only work โ€“ it should inspire.โ€

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