This job is with LexisNexis Legal & Qualified®, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ business community. Please do not contact the recruiter directly. About The Role: The Sr. Data Scientist to work on complex project involving AI, GenAI, RAG and Agentic Solution for the business delivery projects Responsibilities Design, develop, and deploy machine learning and GenAI solutions in production environments Build and optimize Retrieval-Augmented Generation (RAG) pipelines Fine-tune and evaluate Large Language Models (LLMs) Develop prompt engineering strategies and evaluation frameworks Implement scalable ML pipelines using Python Work with structured and unstructured data sources Collaborate with Engineering, Product, and SMEs to deliver AI-driven features Monitor model performance, drift, and reliability in production Conduct experimentation, A/B testing, and performance benchmarking Contribute to architecture design for AI-powered systems Requirements Experience: 6-8 Years Core Stack Python (advanced proficiency)



Machine Learning (supervised/unsupervised learning, NLP) Generative AI (LLMs, prompt engineering, embeddings) RAG architecture and vector search Model evaluation and validation frameworks ML & AI Tools LangChain / LlamaIndex (or similar frameworks) Scikit-learn / XGBoost / LightGBM PyTorch / TensorFlow HuggingFace / OpenAI / LLM APIs Vector databases (Pinecone, FAISS, Weaviate, OpenSearch, etc.) Data & Infrastructure SQL and data querying Experience with AWS / Azure / GCP CI/CD for ML deployments Model tracking tools (MLflow preferred) Good to Have Experience in legal, regulatory, or publishing domains Experience with model monitoring and MLOps Knowledge of fine-tuning techniques (LoRA, PEFT, QLoRA) Experience with multi-agent frameworks (AutoGen, LangGraph, etc.){Empty} Working for you: We know that your wellbeing and happiness are key to a long and successful career. These are some of the benefits we a

📌 Sr. Data Scientist (Chennai)
🏢 LexisNexis Legal & Professional®
📍 Chennai