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OnsiteStaff/Principal/Architecthealthtech

Principal AI/ML Architect

OptumBengaluru, Karnataka, IndiaPosted 19 May 2026

Optum is hiring a Principal AI/ML Architect to drive advanced AI solutions for medical applications. The role involves leading the lifecycle of AI innovations, focusing on NLP, LLM fine-tuning, and building complex RAG architectures. Candidates must possess deep expertise in transformer architectures and distributed model training. The position operates within a research and production-focused team environment.

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Experience

11-15 years

Function

Engineering

Work mode

Onsite, India

Company

Tier 2

What you will work on

Optum is hiring a Principal AI/ML Architect to drive advanced AI solutions for medical applications. The role involves leading the lifecycle of AI innovations, focusing on NLP, LLM fine-tuning, and building complex RAG architectures. Candidates must possess deep expertise in transformer architectures and distributed model training. The position operates within a research and production-focused team environment.

TAL's take

Quality 65/1005/5 clarityTier 2 company

Senior-level role at a large, established healthtech organization with significant technical depth in AI/ML.

Highly specific technical requirements provided with clear focus on RAG, LLM fine-tuning, and architecture.

Salaries at Optum

21.9 LPA average

Based on 181 Grapevine salary entries for Optum.

View all salaries

Engineering

0 - 2 years | 25

11 LPA average

Range: 7 - 15 LPA

Engineering

2 - 4 years | 25

15 LPA average

Range: 5 - 41 LPA

Engineering

4 - 6 years | 26

27 LPA average

Range: 8 - 157 LPA

Engineering

6 - 8 years | L1

20 LPA average

Range: 13 - 26 LPA

Must haves

  • 11-15+ years experience in applied AI/ML
  • Deep expertise in NLP, ML, DL, and transformers
  • Experience in LLM training and fine-tuning
  • Strong Python and SQL skills
  • Experience with PyTorch
  • Production track record in scalable ML solutions

Tools and skills

pythonsqlpytorchllmstransformersgraph ragdistributed training

Nice to have: azure ml, aws, faiss, weaviate, milvus, deep speed, horovod.

About the company

Optum is a large, established healthcare services company, though not a top-tier tech-native engineering powerhouse.

Posts mentioning Optum