Projects

Selected projects across AI/LLM systems, RAG, backend engineering, semantic web, and full-stack product development.

Project case study

llm-reliability-platform

Currently in development: a production-oriented LLMOps/RAG project for document-based AI assistants with source-grounded answers, evaluation workflows, observability, cost/token tracking, and deployment topics.

PythonFastAPIPostgreSQLpgvectorRAGEmbeddingsVector SearchLangChainLangGraphOpenTelemetryPrometheusGrafanaDockerCaddyHetznerCloudflare

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Project case study

CCC – Cost Calculation Chatbot

Award-winning HTWK team project focused on question answering over project cost data with Knowledge Graphs, RDF/SPARQL, LangChain, and Qanary.

Knowledge GraphsRDFSPARQLSemantic WebQuestion AnsweringLangChainQanaryChatbots

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Hainstreet

Full-stack web platform project with private domain spaces, authentication, structured membership flows, subscription-oriented product logic, and Docker-oriented deployment infrastructure.

Next.jsReactTypeScriptNode.jsTailwind CSSNestJSPostgreSQLPrismaZodStripeBrevoPlaywrightVitestDocker

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