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 benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive advantages 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

AI Applications and Feature Development
Develop and refine LLM-based features such as chat, summarization, knowledge search, and data extraction
Apply prompt engineering techniques and support model fine tuning or parameter efficient tuning (e.g., LoRA)
Implement RAG (retrieval augmented generation) workflows including preprocessing, embedding generation, and vector search
Model and Architecture Understanding




Work with transformer-based models; apply foundational understanding of attention, embeddings, and model behavior
Assist in model interpretability and improving reliability of model outputs
AI Quality, Evaluation and Safety
Help improve accuracy by reducing hallucinations through prompting, guardrails, and retrieval improvements
Support benchmarking, evaluation tests, and quality checks
Contribute to Responsible AI practices
Integration and Orchestration
Build services integrating AI APIs (OpenAI, Azure, open source LLMs)
Implement tool/agent orchestration flows with guidance from senior team members
Work with vector databases such as FAISS, Pinecone, or pgvector
Performance and Optimization
Contribute to enhancements in latency, throughput, and token efficiency
Support implementation of model compression and quantization techniques
Develop caching and batching strategies to improve system performance
Collaboration and Delivery
Work closely with product, data,

📌 Senior AI/ML Engineer (Gurugram)
🏢 Optum India
📍 Gurugram