Sanjeev Kumar
@sanjeevkumar7
Data Science fresher building RAG, NLP, and Generative AI systems with Python, SQL, and scalable ML.
What I'm looking for
I’m a Data Science fresher with practical experience in Machine Learning, NLP, and Generative AI, including RAG and LLM fine-tuning. I’ve built and deployed systems using LangChain, OpenAI APIs, and Hugging Face to turn real datasets into useful insights.
In my internship work, I implemented vector search with ChromaDB and BM25 to improve retrieval accuracy, engineered NLP pipelines with Transformers, and optimized ML models using Python, TensorFlow, and Scikit-learn. I enjoy clean data analysis, strong feature engineering, and measurable evaluation—improving accuracy by 15% and reducing processing time by 25% on projects.
Experience
Work history, roles, and key accomplishments
AI Engineer Intern
Irohub Infotech Pvt Ltd
Mar 2026 - Present (3 months)
Developed and deployed a Retrieval-Augmented Generation (RAG) system using LangChain and OpenAI APIs, including ChromaDB/BM25-based retrieval. Built NLP pipelines with Hugging Face Transformers and developed ML models in Python using TensorFlow and scikit-learn.
Data Science Intern
Skill Academy
Performed data analysis and preprocessing in Python using Pandas and NumPy, including EDA and visualizations with Matplotlib and Seaborn. Developed basic machine learning models using scikit-learn.
Education
Degrees, certifications, and relevant coursework
IIMT Saharanpur
Bachelor's Degree, Information Technology (IT)
Bachelor's degree in Information Technology (IT) from IIMT Saharanpur.
Bhayla Inter College
Intermediate
Completed Intermediate education at Bhayla Inter College.
Bhayla Inter College
High School
Completed High School education at Bhayla Inter College.
Availability
Location
Authorized to work in
Job categories
Skills
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