Senior Data Scientist
Zepto · Bengaluru
- Experience4–8 yrs
- SalaryNot disclosed
- Work modeonsite
- Levelmid
- Posted2 Sept 2026
About Zepto
Zepto is hiring in Bengaluru in ecommerce retail. This role looks for around 4+ years of experience.
Skills
- LLM fine-tuning
- LoRA
- QLoRA
- PEFT
- synthetic training data generation
- NLP
- model evaluation
- precision
- recall
- quantisation
- inference optimisation
- GGUF
- AWQ
- bitsandbytes
- prompt engineering
- benchmarking
- model training
The role
A generative AI engineer at an e-commerce marketplace develops healthcare NLP systems using LLM fine-tuning, prompt engineering, and model evaluation, with quantisation and inference optimisation for constrained deployments.
Full job description
Responsibilities:
Fine-tuning pipelines using LoRA / QLoRA / PEFT on domain-specific corpora.
Synthetic training data generation (JSONL) for healthcare NLP tasks.
Model evaluation design: precision, recall, and task-specific rubrics for clinical and billing language.
Quantisation and inference optimisation (GGUF, AWQ, bitsandbytes) for GPU-constrained deployments.
Prompt engineering as a systematic, reproducible discipline.
Benchmarking SLMs against frontier models on narrow, well-defined tasks.
Requirements:
Background that maps well: NLP research, LLM fine-tuning at a product company, applied AI in healthtech or regulated domains, M. Tech / PhD with hands-on model training experience.