Agentic Product Development with Claude Code, BMAD and GitHub Spec Kit

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Senior Machine Learning Engineer

Machine Learning Engineer and Software Architect with 15+ years of experience, specializing in deep learning, NLP, and LLM-based systems. Strong focus on designing and deploying end-to-end AI pipelines, including model fine-tuning (LoRA/PEFT), retrieval-augmented generation (RAG), and high-performance inference with modern frameworks such as PyTorch, Hugging Face Transformers, and vLLM. Experienced in building agentic systems using LangChain and LangGraph, as well as developing scalable backend services in Python. Combines solid software engineering principles with hands-on expertise in data-centric AI to deliver robust, production-ready solutions.

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IT-Projektconsultant

IT project consultant and Product Owner with a passion for products that deliver real value. Thanks to his many years of experience in the digitalisation of critical processes, he knows exactly how to translate requirements precisely and guide stakeholders confidently through technological transformation projects. With a background in engineering and a deep understanding of complex IT architectures, he acts as a bridge between business, product, and development. As a trainer, Marcus stands out through his ability to combine this hands-on expertise with agile methodologies, enabling teams to develop user-centred and technically sound solutions with real impact.