Rohit Kumar
Prayagraj
Summary
Accomplished Data Scientist at EXL Services with expertise in machine learning and natural language processing. Spearheaded the development of innovative LLM-powered solutions, enhancing data analysis efficiency and user experience. Proficient in Python and cloud computing, I excel in delivering impactful results while fostering collaboration and productivity within teams.
Overview
3
3
years of professional experience
1
1
Certification
Work History
Data Scientist
EXL Services
NOIDA
06.2022 - Current
- Create and implement LLM-powered solutions across diverse domains, focusing on NL2SQL systems, RAG pipelines, and intelligent agent workflows using tools like FastAPI, LangChain, LangGraph, and LlamaIndex.
Data Scientist
EXL Services
NOIDA
06.2022 - Current
- Developed stateful Conversational BI Tool for natural language queries on BigQuery, enhancing data analysis efficiency.
- Integrated AI-powered chatbot feature to assist analysts in data querying and insights retrieval.
- Leveraged GenAI capabilities and RAG architecture to improve overall user experience and productivity.
- Utilized advanced Python, GCP, NLP, Vertex AI, Langchain, Langgraph, Agentic AI, Vector Database(SpannerVectorStore,FAISS), BigQuery, LLMs (Gemini Models), and prompt engineering.
Data Scientist
EXL Services
NOIDA
06.2022 - Current
- Developed Tkinter-based UI for auditing pharmacy plans, streamlining data analysis from multiple Excel sheets.
- Integrated AI-powered chatbot feature to assist analysts in querying data and retrieving insights.
- Enhanced operational efficiency through improved user experience and increased task productivity.
Data Scientist
EXL Services
NOIDA
06.2022 - Current
- Developed Tkinter-based Customer Care Dashboard to present detailed insurance plan data across US states and market segments.
- Designed user-friendly filters and search boxes, facilitating quick access to accurate plans for customer care representatives.
- Achieved 50% reduction in search time, enhancing efficiency and response times in customer support workflows.
- Streamlined data visualization processes, ensuring seamless interaction with complex datasets across varied market segments.
- Delivered reliable, intuitive desktop application, improving customer satisfaction and operational productivity.
Data Scientist
EXL Services
NOIDA
06.2022 - Current
- Designed and implemented Contract Analyzer for processing diverse PDF contracts from multiple insurance companies.
- Developed Streamlit-based UI with interactive buttons for efficient validation and review by analysts.
- Built vector database using FAISS to store processed data, enhancing contract matching capabilities.
- Leveraged LangChain and OpenAI LLM for improved natural language processing and contract classification.
- Integrated Azure Document Intelligence to automate document parsing and maintain compliance.
- Utilized Pandas and OpenPyXL for robust data manipulation and reporting of extracted information.
Data Analyst
EXL Services
06.2022 - Current
- Specialized in processing and optimizing pdf and texts queries.
- Implemented a function to bridge information gaps between dataframe sections.
- Developed a openai based solution to extract information from EMR.
- Tech Stacks: Advance python, ML , NLP, OpenAI , CognitiveDB,Streamlit.
Data Scientist
EXL Services
NOIDA
06.2022 - Current
- Developed solution to convert SAS code into Python, enhancing compatibility.
- Utilized Streamlit for creating interactive applications to demonstrate results.
- Applied deep learning techniques to improve translation accuracy.
- Employed Python and machine learning algorithms for efficient processing.
Education
B.Tech - Production & Industrial Engineering
National Institute of Technology(MNNIT)
Allahabad01.2022
Skills
- Machine learning and natural language processing
- Data visualization and reporting
- BigQuery and SQL coding
- Statistical analysis and algorithms
- Python programming and PySpark
- Cloud computing and Azure services
- Neural networks and LLMs
- Data preprocessing and cleaning
- Scikit-learn and TensorFlow
- Tableau and Power BI
- Streamlit and Tkinter
- Vector databases (FAISS, Spanner)
- Agentic AI and LangChain
Accomplishments
- Recieved Awards: Stellar Performance Award, Key Innovator Award,Genious Award
- Win Competetions: Euro Hackathon 1st runner up, EXL AI Advantage Showcase 2nd runner up
Certification
- databrick certified data engineer training.
- PySpark Certificate
Languages
Hindi
First Language
English
Upper Intermediate (B2)
B2
Timeline
Data Scientist
EXL Services
06.2022 - Current
Data Scientist
EXL Services
06.2022 - Current
Data Scientist
EXL Services
06.2022 - Current
Data Scientist
EXL Services
06.2022 - Current
Data Scientist
EXL Services
06.2022 - Current
Data Analyst
EXL Services
06.2022 - Current
Data Scientist
EXL Services
06.2022 - Current
B.Tech - Production & Industrial Engineering
National Institute of Technology(MNNIT)
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