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 perks 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 a

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