ashwini bhalerao

Data Scientist

Web Crypt Technology

June 2022 - June 2026

Role & Responsibilities Developed and implemented Machine Learning, Data Science, and Generative AI solutions using Python and SQL. Performed data preprocessing, exploratory data analysis (EDA), feature engineering, model training, evaluation, and optimization. Built LLM-based applications using RAG, LangChain, LangGraph, vector databases, and OpenAI APIs. Developed AI-powered customer support and knowledge-assistant solutions using semantic search and document retrieval. Applied prompt engineering and retrieval optimization to improve response relevance and reduce irrelevant or hallucinated outputs. Worked with NLP techniques including text classification, information extraction, and semantic search. Worked with Computer Vision using OpenCV and image-processing techniques. Used Databricks and modern AI/ML development tools for data and model workflows. Collaborated on developing scalable and business-focused AI solutions. Key Achievements Successfully developed AI-powered applications combining Machine Learning, LLMs, and RAG. Improved LLM response quality through prompt engineering, chunk optimization, and retrieval improvements. Built solutions capable of answering domain-specific questions using external business and knowledge documents. Applied practical Data Science and Machine Learning techniques to transform data into actionable insights. Expanded expertise across Generative AI, Agentic AI, NLP, Computer Vision, and modern AI development frameworks.