Sr. data scientist - llm training and fine-tuning

Job Description
Job Title
Senior Data Scientist— LLM Training & Fine-tuning (Indian Languages, Tool Calling, Speed)
Location: Bangalore
About the Role
We’re looking for a hands-on Data Scientist / Research Scientist who can fine-tune and train open-source LLMs end-to-end—not just run Lo RA scripts. You’ll own model improvement for Indian languages + code-switching (Hinglish, etc.), instruction following, and reliable tool/function calling, with a strong focus on latency, throughput, and production deployability.
This is a builder role: you’ll take models from research → experiments → evals → production.
What You’ll Do (Responsibilities)
• Train and fine-tune open LLMs (continued pretraining, SFT, preference optimization like DPO/IPO/ORPO, reward modeling if needed) for:
Indian languages + multilingual / code-switching
Strong instruction following
Reliable tool/function calling (structured JSON, function schemas, deterministic outputs)
• Build data pi...