Willi Döring

Senior Machine Learning Engineer @Seven Principles Mobility Gmbh

Hamburg, DE

Architected and deployed LLM- and RAG-based chatbot systems in AWS cloud environments, implementing document ingestion pipelines, retrieval optimization, and infrastructure automation using Bedrock, Fargate, EKS, Aurora (Postgres + pgvector), and Milvus. Led LLMOps initiatives including evaluation frameworks with DeepEval and RAGAS- Built production-ready GenAI pipelines by integrating open-source tooling (Haystack, LangChain, LangGraph, Streamlit, CrewAI, Open WebUI) from prototype to deployment, with focus on architectural design and data engineering- Developed computer vision traffic analysis systems using YOLOX, YOLOv7, and ByteTrack, including model training, fine-tuning, and scalable video processing pipelines compliant with GDPR requirements- Implemented GIS-integrated traffic counting solutions and coordinated large-scale dataset preparation using CVAT and FiftyOne, enabling deployment across multiple camera installations with comprehensive evaluation and reporting frameworks.

Bielefeld University

Bachelor of Science (B.Sc.), Medieninformatik und Gestaltung

HTW Berlin

Master of Science (M.Sc.), International Media and Computing