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Lead AI/ML Engineer

Chennai, India

Caring. Connecting. Growing together.

With these values to guide us, our people are committed to making a meaningful difference in the lives of those we are honored to serve.

Lead AI/ML Engineer

Requisition number: 2294405 Job category: Technology Primary location: Chennai, Tamil Nadu Date posted: 03/19/2026 Overtime status: Exempt Travel: No

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:

  • Lead the design and implementation of systems that enables Optum to derive information from patient data in a scalable, reliable, and cost-effective manner
  • Analyze clinical data and determine the best designs on how to process this data
  • Ensure the delivery of high-quality, maintainable, and efficient code and specifications
  • Lead by example to deliver product quality, including agile SCRUM methodologies, unit tests, code reviews and engineering design specifications
  • Lead systems design to allow customers to effectively ingest and store patient-related data and for data scientists and engineers to access this data with ease
  • Recommend and make buy vs build trade-offs to accelerate data engineering as a core competency
  • Be a trusted technical advisor to management, internal stakeholders, and customers
  • Mentor and lead other engineers to reach their potential
  • Comply with the terms and conditions of the employment contract, company policies and procedures, and any and all directives (such as, but not limited to, transfer and/or re-assignment to different work locations, change in teams and/or work shifts, policies in regard to flexibility of work benefits and/or work environment, alternative work arrangements, and other decisions that may arise due to the changing business environment). The Company may adopt, vary or rescind these policies and directives in its absolute discretion and without any limitation (implied or otherwise) on its ability to do so

Required Qualifications:

  • BS with 7+ years or MS and 5+ years in Computer Science or similar experience
  • 4+ years in Python programming
  • 4+ years of hands-on experience in modern cloud infrastructure (AWS, Azure or Google)
  • 2+ years experience in a team lead role
  • GitHub hands-on experience including actions and CI/CD
  • Proven track record of engaging with customers to design and deliver at least two complete AI products, from ideation to product release

Preferred Qualifications:

  • Experience delivering LLM based cloud systems into production
  • Experience in Healthcare

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.

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Benefits

Our mission of helping people live healthier lives extends to our team members. Learn more about our range of benefits designed to help you live well.

Life

Resources and support to focus on what matters most to you, in every facet of your life.

Emotional

Education, tools and resources to help you reduce and manage stress, build resilience and more.

Physical

Health plans and other coverage to support wellness for you and your loved ones.

Financial

Benefits for today and to help you plan for the future, including your retirement.

Learn more
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