Obaidur Rahaman
Data Scientist (Digital R D)
Leverkusen, North Rhine-Westphalia, Germany
Summary
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Senior🎓
Top SchoolObaidur Rahaman is a data scientist and AI engineer with 15+ years of experience building scalable ML and NLP systems, spanning computational chemistry to AI-driven R&D. Based in Leverkusen, Germany, he currently leads data science initiatives at Covestro (Digital R&D), focusing on RAG-enabled LLM workflows, agentic processes, and cloud-native architectures. He designed and deployed a production-grade RAG platform using LangGraph and Claude 4.0, now adopted by 500+ R&D professionals, and built a data lake on AWS to power molecular-property prediction models. An active open-source contributor, he is the maintainer of NLAVIDA, a LangChain-based secure analytics tool for natural language-driven data analysis. He architected LLM-ready pipelines processing 300,000+ internal documents with Docling and AWS Glue, and developed end-to-end evaluation suites for RAG systems. He holds a PhD in Computational Chemistry from the University of Delaware and a BTech in Engineering Physics from IIT Bombay, underscoring a rare blend of rigorous scientific training and production-focused AI engineering.
8 years of coding experience
1 year of employment as a software developer
Indian Institute of Technology Bombay
bengali, hindi, french, spanishGithub contributions (5)
obaidur-rahaman/GNN_MBTR_MD
Jun 2020 - Nov 2021
Contributions:11 commits, 18 pushes, 1 branch in 1 year 5 months
obaidur-rahaman/nlavida
May 2024 - Jan 2025
Contributions:30 pushes, 1 branch in 8 months
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