Data Scientist – II (4+ Years Experience) Mandatory Requirements (Non-Negotiable): * Strong background in NLP, LLMs, prompt engineering, and deep learning * Strong proficiency in Python * Experience with LangChain, PyTorch, and Pandas * Hands-on experience with LLMs (any of GPT, Claude, Gemini, Llama, or other open-source LLMs) * Strong experience in prompt design, benchmarking, and evaluation * Ability to independently optimise and evaluate AI models * Strong documentation and communication skills