Data Scientist- GenAI Engineer

EXL · IT Services & Consulting

GenAI - Data Science

Develop and evaluate LLM-powered solutions such as summarization, classification, extraction and conversational assistants

Design prompt strategies, RAG architectures, and fine-tuning/adapter approaches where appropriate

Apply NLP and ML methods: text classification, topic modeling, semantic search, embeddings, clustering, regression/causal inference as needed

Develop Python-based prototypes and evaluation frameworks for LLM and GenAI use cases

Advanced use of object-oriented programming and functional programming patterns for ML workflows

4+ years experience in Data Science/ML with demonstrable GenAI/LLM project experience

Strong Python skills (pandas, numpy, scikit-learn; plus LangChain/LlamaIndex OR direct SDKs like OpenAI/Vertex AI/Hugging Face)

Hands-on with embeddings, vector search, RAG, prompt design, and LLM evaluation

Solid grounding in statistics & experimentation: hypothesis testing, confidence intervals, power analysis, A/B testing design