Prateek Sahu

About Prateek Sahu

I am a seasoned Senior Data Scientist with over 10 years of experience delivering…

Experience

1. Senior Data Scientist

   Fractal

   Apr 2021 — Present

   Project : Agentic rag for customer support• Developed an Agentic Retrieval-Augmented Generation (RAG) solution leveraging tools such as Langchain and LangGraph.• Integrated advanced natural language to SQL (NL2SQL) capabilities using state-of-the-art OpenAI GPT models, enabling real-time querying of structured databases and boosting operational efficiency.• Designed a scalable, modular architecture employing Python, FastAPI, and cloud-based services to ensure seamless performance.Project : Lead Scoring, Client : Leading CRM company• Identified sales leads based on their likelihood to convert into opportunity using ML algorithms.• Developed XGBoost based predictive solution and deployed using AWS services providing lift of 13% over existing solution.Project : Personalized Product Recommendation, Client : Leading CRM company• Improved sales conversion rate by recommending top 3 personalized products to potential customers.• Developed Light GBM based multi class classifier and tuned the hyperparameters using random search which improved the existing system by 10%.Project : Customer engagement model, Client : Top Internet company• Implemented predictive Modeling solution using ensemble of random forest and GB model to increase engagement by almost 15%.• Received client appreciation for identifying factors that influence learner’s satisfaction rate, suggested data driven recommendations on email marketing campaigns.Project : Fraud Detection, Client : FP & A Team of top CPG company.• Developed isolation forest based fraud detection solution to identify fraudulent records in manual journal entry using SAP data. Conducted driver analysis using SHAP, improved efficiency of whole system by 5% which helped in cost saving of over $1M.

Skills

• Html
• Java
• C++
• Javascript
• Microsoft Word
• Powerpoint
• Db2
• Jcl
• Microsoft Excel
• Mysql
• Sas Programming
• Ibm Db2
• Cobol
• Python
• R