Stephen Raj
Data Scientist
Chennai, Tamil Nadu, India
Summary
👤
Senior🎓
Top SchoolStephen Raj is a data scientist and AI engineer with nine years of experience delivering production-grade ML and data solutions across computer vision, knowledge retrieval, and data engineering in India. He led image-classification projects using YOLO with data augmentation, achieving accuracies above 97%, and built depth-camera point-cloud pipelines that surpassed 95% accuracy. Stephen has built end-to-end knowledge retrieval systems using LLMs, Neo4j, LangChain, and vector databases (PgVector), and has spearheaded three agriculture robotics projects with solid testing and deployment strategies. He has hands-on experience deploying systems with Docker, Nomad, and CircleCI, and has mentored junior engineers within the Python ecosystem. Based in Chennai, he is currently a Data Scientist at Ideas2IT Technologies since 2024, with prior roles at BigThinkCode, Tata Consultancy Services, and Fabulyst AI. He earned a BTech in Information Technology from PSNA College of Engineering and Technology, grounding his work in strong software engineering and analytics fundamentals.
9 years of coding experience
5 years of employment as a software developer
Bachelor of Technology - BTech, Information Technology, Bachelor of Technology - BTech, Information Technology at PSNA College of Engineering and TechnologyProgramming languages (2)
Github contributions (5)
reachtostephen/Python
Feb 2018 - May 2019
Contributions:23 pushes, 1 branch in 1 year 3 months
reachtostephen/C
Jan 2019 - Sep 2019
Contributions:41 pushes, 1 branch in 8 months
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