SAURJAYAN BHATTACHARJEE
Bangalore
Summary
Senior Data Scientist with expertise in developing LLM-powered frameworks and optimizing Generative AI systems. Demonstrated success in delivering actionable insights through advanced machine learning and deep learning techniques. Proven track record in driving impactful solutions within healthcare and retail analytics. Committed to leveraging data for enhanced decision-making processes.
Overview
9
9
years of professional experience
4
4
Certification
Work History
Senior Data Scientist
Astria Digital Pvt. Ltd.
07.2025 - 10.2025
- Develop multi-agent AI systems for reasoning and autonomous workflows.
- Build LLM-powered frameworks with LangChain, LangGraph, vector databases.
- Conduct model evaluations and optimize architectures.
- Collaborate with engineering, product, and operations teams.
Senior Data Scientist
Vetology Innovations LLC
10.2024 - 06.2025
- Designed deep learning systems for veterinary radiology.
- Built NLP-based LLM workflows for automated interpretation.
- Delivered insights to clinical stakeholders.
Senior Engineer
Mercedes Benz R&D; India
04.2022 - 10.2024
- Developed AI-driven legibility assessment systems for automotive UX.
- Built object detection and OCR models for in-vehicle displays.
- Worked with cross-functional engineering teams.
Senior Data Scientist
Great Learning India Pvt. Ltd.
12.2021 - 04.2022
- Developed ML/DL models for sales forecasting.
- Built dashboards for business decision-making.
Software Analyst
Manhattan Associates
04.2019 - 12.2021
- Worked with major retail clients including Burlington and ALDI.
- Built ML/CV solutions to optimize warehouse slotting and picking efficiency.
- Automated defect triaging using Python and SQL.
- Gained expertise in retail replenishment, SKU movement, and fulfillment systems.
Software Engineer
IBM India Pvt. Ltd.
07.2016 - 03.2019
- Built automation frameworks powered by ML algorithms.
- Performed SQL-based data mining for analytics.
Education
B.Tech - Electrical Engineering
NIT Agartala
01.2016
AISCCE - PCMC
Bharatiya Vidya Bhavan
01.2012
Skills
- Machine Learning
- AI - AWS,
- Microsoft Azure
- NumPy
- scikit-learn
- Pandas
- Deep Learning
- PyTorch/TensorFlow/Keras
- Computer Vision
- NLP & LLMs: LLM Fine-Tuning
- Prompt Engineering
- LangChain
- LangGraph
- LangSmith
- Mongo DB
- Retrieval Augmented Generation (RAG)
- Agentic AI workflows
- Multi-agent systems
- Databases: SQL
- Data Visualization
Certification
- PGP in AI & ML
- Microsoft Azure ML Certifications
- Machine Learning in Production
- Data Science with Azure Databricks
Projects
GPT Realtime API Integration for Telephony, Built real-time LLM-based conversational intelligence. Multi-Agent AI System Architecture, Engineered multi-agent structure for workflow automation. Retail Supply Chain Analytics Models (Burlington & ALDI), Built ML models for SKU movement, slotting optimization, and picking-path efficiency. Improved replenishment cycles using predictive analytics. Veterinary Radiology Disease Detection, Developed CV models for disease identification.
Timeline
Senior Data Scientist
Astria Digital Pvt. Ltd.
07.2025 - 10.2025
Senior Data Scientist
Vetology Innovations LLC
10.2024 - 06.2025
Senior Engineer
Mercedes Benz R&D; India
04.2022 - 10.2024
Senior Data Scientist
Great Learning India Pvt. Ltd.
12.2021 - 04.2022
Software Analyst
Manhattan Associates
04.2019 - 12.2021
Software Engineer
IBM India Pvt. Ltd.
07.2016 - 03.2019
B.Tech - Electrical Engineering
NIT Agartala
AISCCE - PCMC
Bharatiya Vidya Bhavan