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Lead AI/ML Engineer

Optum (UnitedHealth Group) · Healthcare & Pharma

  • Gurgaon, Haryana, India
  • On-site
  • Posted yesterday
  • Data & AI

About the job

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 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:

Technical Leadership & Delivery - Design and implement scalable, distributed enterprise applications
Drive end-to-end delivery of AI-powered solutions leveraging LLM ecosystems
Build intelligent systems using GenAI patterns, including: - Retrieval-Augmented Generation (RAG)
Embeddings and semantic search
NLP-based pipelines
Develop, test, and deploy production-grade services and platforms
Ensure systems meet expectations for: - Performance
Reliability
Scalability
Lead deep technical problem-solving in complex and ambiguous environments
Architecture & Engineering Excellence - Architect and implement: - Microservices-based systems
Event-driven architectures
Robust API-driven platforms
Define and enforce best practices in: - System design
Code quality
Testing strategies
Secure software engineering
Optimize systems for high throughput, low latency, and fault tolerance
Platform & Technology Development - Work extensively with: - Programming languages (Go, Python, or equivalent)
Databases (MongoDB, PostgreSQL)
Cloud platforms (Azure / GCP)
Container-based deployments and orchestration (ACA preferred)
Build and maintain CI/CD pipelines and DevOps practices
Enable efficient, automated, and reliable software delivery
Observability & Production Reliability - Design and implement observability frameworks including: - Logging
Monitoring
Tracing
Troubleshoot production issues and ensure rapid resolution
Continuously improve system reliability and operational excellence
* Stakeholder & Cross-Team Collaboration - Collaborate with: - Product teams
Engineering teams
Translate business requirements into scalable technical solutions
Influence architecture decisions across teams without direct authority
Communicate complex technical concepts clearly to diverse audiences
Mentorship & Technical Influence - Mentor and guide engineers to improve technical capabilities
Promote engineering best practices and design rigor
Drive technical reviews, design discussions, and innovation initiatives
Foster a culture of high-quality engineering and continuous improvement
Compliance - Comply with all applicable Company policies, procedures, and business directives, changes including those relating to work location, team assignments, work schedules, and flexible work arrangements.

Required Qualifications:

10+ years of hands-on experience designing and delivering enterprise applications
Solid hands-on programming experience in: - Go, Python, or similar languages
Experience with GenAI/LLM ecosystems, including: - RAG architectures
Embeddings
NLP workflows
Experience working with databases: - MongoDB
PostgreSQL
Experience with: - Cloud platforms (Azure / GCP)
Containers and cloud-native deployments (ACA preferred)
CI/CD pipelines and DevOps tooling
Solid understanding of: - Scalability, performance, and reliability principles
Observability and production troubleshooting
Secure software engineering practices
End-to-end system delivery
Expertise in: - System design and distributed systems
Microservices architecture
Event-driven systems
API design and integration patterns
Proven expertise in building and deploying production-grade software systems

Preferred Qualifications:

Experience building and scaling AI-powered enterprise platforms
Experience working in large, complex enterprise environments
Familiarity with advanced observability and monitoring ecosystems

Leadership & Execution:

Demonstrated ability to influence technical direction across teams
Solid problem-solving skills in ambiguous and complex environments
Proven ability to drive execution and deliver outcomes independently

Communication & Collaboration

Solid communication skills across technical and business audiences
Ability to clearly articulate architecture and design decisions
Effective stakeholder engagement and cross-team alignment

At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission.