Soujatya Sarkar profile photo 1 on Tal

Soujatya Sarkar

AI @ Poonawalla Fincorp | HCI - BCI/BMI - Biomedical Imaging - LLM - Computer Vision | AI/ML Engineer | Masters: IIT MD ’26 | Bachelors: CU ‘23. | Ex: Turing; Allen Digital; BharatGen

Kolkata

2+ years of work experience

Poonawalla Fincorp
Sep 20251 yr 3 mosPresent

Pune City

AI Engineering and AI Research
ALLEN Digital
May 20256 mosOct 2025

Bengaluru

BharatGen
Jan 20251 yr 1 moJan 2026

Mandi

IFT, SFT and RLHF of BharatGen LLM (previously BharatGPT).
Indian Institute of Technology, Mandi
Jan 20251 yrDec 2025

Mandi

Project Associate - I (Data Engineer) in BharatGen.
Turing
Nov 20244 mosFeb 2025

Palo Alto, California, United States

• RLHF and SFT of Gemini. • Curating Datasets for Multimodal VLM training for Google Deepmind. • Curating the Google GAIA v2 dataset.
Indian Institute of Technology, Mandi
Jan 20241 yr 8 mosAug 2025

Mandi, Himachal Pradesh, India

Courses taken: CS - 309; DS - 413; DS - 411. CS - 309: Information and Database Systems DS - 413: Introduction to Statistical Learning DS - 411: Optimization in Data Science/ML
Indian Institute of Technology, Mandi
Jan 20241 yr 1 moJan 2025

Mandi, Himachal Pradesh, India

• Engaged in preliminary development of En-Hi variant of BharatGPT, later incorporated as BharatGen. • Engaged in development of predictive deep learning models to predict objects from robotic arm sensor signals. • Developed a dynamic LLM based approach for MCQ Difficulty Estimation and improved RMSE of test set by ∼ 17%. • Developed a novel conditioning method to optimize training of Stable Diffusion and improve the sample generation quality.

Soujatya’s AI Stack

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Weights & Biases Weave
Weights & Biases Weave

Education

Indian Institute of Technology, Mandi

Master of Technology (Research) - MTech (R), Intelligent Systems

Indian Institute of Technology, Mandi

20242 yrs2026
University of Calcutta

Bachelor of Technology - BTech, Chemical Technology

University of Calcutta

20194 yrs2023

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Headline

AI @ Poonawalla Fincorp | HCI - BCI/BMI - Biomedical Imaging - LLM - Computer Vision | AI/ML Engineer | Masters: IIT MD ’26 | Bachelors: CU ‘23. | Ex: Turing; Allen Digital; BharatGen

About

Looking for an ML Engineer position in top companies. My regular Tech Stack includes: Pytorch, HuggingFace, TensorFlow, Keras, Python, C, C++, Flutter, Docker. I have 2+ years experience in RLHF and SFT of Gemini, Expert Dataset Curation, Pretraining LLMs (BharatGen) and optimizing Diffusion variants.

Location

Kolkata

AI stack

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hugging face

langchain

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vLLM

Weights & Biases Weave

Work experience

Chief Manager - AI Engineer at Poonawalla Fincorp, Sep 2025 - Present · 1 yr 3 mos, Pune City, AI Engineering and AI Research

Data Scientist at ALLEN Digital, May 2025 - Oct 2025 · 6 mos, Bengaluru

Data Scientist at BharatGen, Jan 2025 - Jan 2026 · 1 yr 1 mo, Mandi, IFT, SFT and RLHF of BharatGen LLM (previously BharatGPT).

Project Associate - I at Indian Institute of Technology, Mandi, Jan 2025 - Dec 2025 · 1 yr, Mandi, Project Associate - I (Data Engineer) in BharatGen.

Computer Science Researcher at Turing, Nov 2024 - Feb 2025 · 4 mos, Palo Alto, California, United States, • RLHF and SFT of Gemini. • Curating Datasets for Multimodal VLM training for Google Deepmind. • Curating the Google GAIA v2 dataset.

Graduate Teaching Assistant at Indian Institute of Technology, Mandi, Jan 2024 - Aug 2025 · 1 yr 8 mos, Mandi, Himachal Pradesh, India, Courses taken: CS - 309; DS - 413; DS - 411. CS - 309: Information and Database Systems DS - 413: Introduction to Statistical Learning DS - 411: Optimization in Data Science/ML

Half Time Research Assistant at Indian Institute of Technology, Mandi, Jan 2024 - Jan 2025 · 1 yr 1 mo, Mandi, Himachal Pradesh, India, • Engaged in preliminary development of En-Hi variant of BharatGPT, later incorporated as BharatGen. • Engaged in development of predictive deep learning models to predict objects from robotic arm sensor signals. • Developed a dynamic LLM based approach for MCQ Difficulty Estimation and improved RMSE of test set by ∼ 17%. • Developed a novel conditioning method to optimize training of Stable Diffusion and improve the sample generation quality.

Education

Master of Technology (Research) - MTech (R), Intelligent Systems, Indian Institute of Technology, Mandi

Bachelor of Technology - BTech, Chemical Technology, University of Calcutta

Soujatya Sarkar - Chief Manager - AI Engineer in Kolkata | Tal