Agentic AI · NL-to-SQL
Conversational Enterprise Analytics
Built a natural-language analytics workflow using Claude API, metadata-aware prompting, SQL generation, and Snowflake query execution.
50+ users enabled for self-service analytics
AI ENGINEER SENIOR DATA SCIENTIST BENGALURU, INDIA
Rohit Kumar
builds AI that works.
I build practical machine learning and AI systems that turn complex data into measurable outcomes. IIT Kharagpur graduate working across applied ML, agentic AI, LLM applications, semantic retrieval, and inference optimization.
5+ yrsDATA & AI EXPERIENCE
₹6 CrFRAUD-LOSS SAVINGS
70%LESS MANUAL PROCESSING
50+ANALYTICS USERS ENABLED
The journey
Experience
Senior Data Scientist
CUBE Global · RegTech
Sep 2026 — Present · Bengaluru
- Working on embedding-model fine-tuning to improve semantic retrieval for Compliance Maps (CMaps).
- Exploring LLM inference optimization for document search, including KV caching, prefix caching, and prefill/decode efficiency.
Senior Data Scientist
Bajaj General Insurance
Nov 2023 — Aug 2026
- Built a PMJAY fraud investigation model that helped reduce loss ratio from 140% to 106%, with ₹6 Cr in savings.
- Developed an agentic natural-language-to-SQL workflow using Claude API and Snowflake, enabling self-service analytics for 50+ users.
- Built LLM document processing to transform unstructured content into structured Excel outputs, reducing manual effort by 70%.
Data Scientist
Tata AIG General Insurance
Jun 2021 — Nov 2023
- Built motor renewal propensity models supporting 68% retention and ₹125+ Cr GWP over 2.5 years.
- Developed XGBoost risk-based pricing, contributing ₹16 lakh additional revenue in three months.
- Applied DeepAR-based call-volume forecasting to support workforce planning and improve SLA outcomes.
Selected work
Projects
LLM · Document AI
Unstructured Documents to Structured Data
Created an LLM-based document workflow to extract and organize unstructured information into structured Excel deliverables.
70% less manual processing
Fraud Analytics · ML
Healthcare Fraud Investigation
Developed a PMJAY investigation model to help prioritize suspicious cases and support fraud-loss reduction.
₹6 Cr savings · loss ratio 140% → 106%
Semantic Retrieval · Embeddings
Compliance Map Retrieval
Current work on embedding-model fine-tuning for better semantic representation and retrieval in regulatory compliance mapping.
Focus: retrieval relevance and embedding quality
LLM Systems · Inference
Inference Efficiency for Document Search
Exploring caching and inference optimizations including KV cache, prefix caching, and prefill/decode efficiency.
Focus: lower latency and efficient inference
Forecasting · Time Series
Call-Centre Volume Forecasting
Applied DeepAR and time-series forecasting methods to help forecast contact volumes and support staffing decisions.
Improved SLA outcomes through better planning
Insurance · Predictive ML
Motor Renewal Propensity
Developed renewal propensity models to support targeted customer engagement and retention in motor insurance.
68% retention · ₹125+ Cr GWP over 2.5 years
Pricing · XGBoost
Risk-Based Motor Pricing
Built an XGBoost pricing model to support risk-aware pricing decisions and improve revenue outcomes.
₹16 lakh additional revenue in 3 months
AI Innovation · Hackathon
VisionForge X
Fraud-detection agent concept developed for the Bajaj Insurance Hackathon, combining AI workflows with investigation support.
1st Runner-Up · Bajaj Insurance Hackathon 2026
What I work with
Skills & stack
ML & Data Science
PythonSQLXGBoostScikit-learnTensorFlowTime SeriesFeature EngineeringModel Evaluation
Generative & Agentic AI
LLMsRAGLangChainLangGraphClaude APIPrompt EngineeringEmbeddingsLLM Evaluation
Engineering & Platforms
AWSSnowflakeDockerMLflowMLOpsCI/CDVector DBsPydanticPySpark
A little more about me
About
Education
IIT Kharagpur
Integrated MSc, Exploration Geophysics · 2016–2021 · GPA 7.95
Outside of AI
Music is my other language
Pianist for 10 years, vocalist and guitarist. I led an institute music team that won bronze, and I’m interested in Music Information Retrieval and AI-powered music learning.
1st Runner-Up · Bajaj Insurance Hackathon 2026VisionForge X fraud-detection agent
Tata AIG Rising Champion · 2022Recognition for analytics contributions
Project of the Year · 2023Recognition for project delivery
National Engineering Olympiad 3.0 · 2020Medal of Excellence · All India Rank 7
Have a good problem to solve?
Let’s build something intelligent.
Open to conversations about applied AI, LLM systems, and meaningful data products.