Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy advantages, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together.

Primary Responsibilities

Design, develop, and deploy advanced ML/AI models for healthcare applications, ensuring rigor across feature engineering, training, evaluation, and explainability
Analyze complex healthcare datasets to deliver actionable insights, applying statistical modeling, time‑series forecasting, survival analysis, and other advanced analytics techniques
Lead the development of production‑grade ML solutions with robust, scalable, and maintainable Python/SQL code, ensuring proper versioning,



monitoring, and model performance governance
Collaborate with clinicians, researchers, data engineers, and product/IT teams to translate business and clinical needs into high‑impact, domain‑aware ML solutions
Develop and optimize models using Scikit‑learn, PyTorch, and modern deep learning architectures, including support for pre‑GenAI and GenAI approaches
Integrate and evaluate generative AI and LLM‑based capabilities for tasks such as summarization, medical text generation, synthetic data creation, and assisted clinical reasoning
Build and enhance RAG pipelines using vector databases (FAISS, Pinecone, Chroma) while optimizing retrieval accuracy, grounding, and model responses
Apply knowledge graph techniques to model entity relationships and support reasoning‑based analytics using healthcare ontologies
Ensure models follow healthcare data standards (FHIR, HL7, ICD, CPT, SNOMED, LOINC, NDC

📌 Lead Data Scientist (Bengaluru)
🏢 Optum India
📍 Bengaluru