About Alexander
English
Native or bilingual
German
Native or bilingual
Experience
- Kubecraft CommunityDevOps Engineer TraineeTECHNovember 2024 - Today (1 year and 8 months)Intensive hands-on training in modern cloud-native development, focusing on Python backend services and Kubernetes orchestration.• • Developed production-ready WordPress AI Chatbot plugin with FastAPI backend, implementing REST APIs for LLM integration with Ollama and RAG functionality using PostgreSQL with pgvector extensions• • Built complete microservices architecture from greenfield, including service decomposition, API design, and inter-service communication patterns• • Implemented comprehensive CI/CD pipelines with automated testing, Docker builds, and GitOps deployment workflows using Flux CD on Kubernetes clusters• • Applied design patterns and SOLID principles throughout codebase, ensuring maintainable and testable code with proper separation of concerns• • Deployed production environment at wp-ai-chatbot.k8s-demo.de demonstrating full stack deployment capabilities• • Technologies: Python, FastAPI, PostgreSQL, Redis, Docker, Kubernetes, GitLab CI/CD, Flux CD
- Self-EmployedFreelance Python Developer & DevOps EngineerAugust 2021 - Today (4 years and 11 months)Full-stack development of backend services and APIs for various client projects, with emphasis on clean architecture and automated deployment.
- yimPlatformENTERTAINMENT AND LEISUREFebruary 2023 - November 2023 (9 months)Mainz, Germany• • Architected and developed RESTful microservices for WordPress/WooCommerce AI chatbot integration• • Implemented vector database integration with pgvector for semantic search and RAG (Retrieval-Augmented Generation)• • Built comprehensive test suite with PyTest covering unit, integration, and API endpoint testing• • Technologies: FastAPI, PostgreSQL, pgvector, Redis, Docker, Kubernetes
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Education
- Python Programming BootcampUdemy2020Python Programming Bootcamp
- C++ Programming SeriesCode with Mosh2023C++ Programming Series