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Ranjith Nandish

Ranjith Nandish

AI engineer building LLM applications, RAG and agents for production

Berlin, Germany

AI engineer with 7+ years in Python and production AI, focused on LLM applications, retrieval-augmented generation (RAG) and document pipelines. At explai, I build and operate LLM applications and agents for enterprise customers: hybrid-search retrieval with re-ranking, backend services and data connectors, evaluation and tracing, and deployment on AWS. Before that, I built document retrieval with OCR-based ingestion at BAM (the German Federal Institute for Materials Research and Testing) and a RAG backend at Union Investment. Ph.D. in Computational Science.

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Building in public

I'm building eight production-grade AI and data products, from a single LLM call to multi-agent systems, each with tests, evaluations, CI and a live demo. The blog records every step.

Latest from the blog

The first posts are on their way.