Senior AI/ML Engineer - Python, Agentic AI, Cloud

Posted 2 Days Ago
Be an Early Applicant
Bengaluru, Bengaluru Urban, Karnataka, IND
In-Office
Senior level
Artificial Intelligence • Big Data • Healthtech • Information Technology • Machine Learning • Software • Analytics
The Role
Build and deploy agentic AI workflows, RAG pipelines, cloud-native services, and enterprise integrations. Develop safe tool-calling and multi-agent systems, implement responsible AI controls, establish LLM evaluation frameworks, optimize cost and latency, and mentor junior developers. The role requires production engineering across cloud platforms, containers, CI/CD, observability, APIs, event-driven architectures, and vector databases.
Summary Generated by Built In
Requisition Number: 2389407
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:
  • Build agentic workflows using Semantic Kernel with tool calling, multi-agent coordination, and safe tool execution
  • Implement RAG pipelines (chunking, embeddings, retrieval, ranking) with vector stores (e.g., Azure AI Search, Pinecone, Weaviate, FAISS)
  • Ship robust services in (C# / Typescript) with Docker/Kubernetes, CI/CD, observability, and cost/latency optimization
  • Deploy and work with Cloud Native solutions (e.g., Azure, AWS, GCP)
  • Integrate with enterprise systems via APIs, MCP servers, message buses, and event-driven architectures; design function/tool schemas
  • Apply Responsible AI practices-prompt injection defenses, content filters, PII/PHI redaction, audit logging, and human-in-the-loop
  • Establish offline/online LLM evals (accuracy, hallucination rate, safety) using frameworks like Ragas/DeepEval/LangChain Eval
  • Guide and mentor junior developers to foster team growth
  • 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:
  • Bachelor's degree in Computer Science, Engineering, or related field
  • 8+ years of experience with proficiency in languages such as C#, Java Python, or Go
  • Build agentic workflows using Semantic Kernel with tool calling, multi-agent coordination, and safe tool execution
  • Implement RAG pipelines (chunking, embeddings, retrieval, ranking) with vector stores (e.g., Azure AI Search, Pinecone, Weaviate, FAISS)
  • Ship robust services (C# / Typescript) with Docker/Kubernetes, CI/CD, observability, and cost/latency optimization
  • Deploy and work with Cloud Native solutions (e.g., Azure, AWS, GCP)
  • Integrate with enterprise systems via APIs, MCP servers, message buses, and event-driven architectures; design function/tool schemas
  • Apply Responsible AI practices-prompt injection defenses, content filters, PII/PHI redaction, audit logging, and human-in-the-loop
  • Establish offline/online LLM evals (accuracy, hallucination rate, safety) using frameworks like Ragas/DeepEval/LangChain Eval

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.

Skills Required

  • Bachelor's degree in Computer Science, Engineering, or a related field
  • 8+ years of professional experience
  • Proficiency in C#, Java, Python, or Go
  • Experience building agentic workflows with Semantic Kernel, tool calling, multi-agent coordination, and safe tool execution
  • Experience implementing RAG pipelines with chunking, embeddings, retrieval, ranking, and vector stores
  • Experience shipping robust C# or TypeScript services with Docker, Kubernetes, CI/CD, observability, and cost or latency optimization
  • Experience deploying and working with cloud-native solutions on Azure, AWS, or GCP
  • Experience integrating enterprise systems through APIs, MCP servers, message buses, and event-driven architectures
  • Experience applying responsible AI practices, including prompt injection defenses, content filters, PII/PHI redaction, audit logging, and human-in-the-loop controls
  • Experience establishing offline and online LLM evaluations using Ragas, DeepEval, or LangChain Eval

What the Team is Saying

Optum Compensation & Benefits Highlights

  • Leave & Time Off Breadth — PTO is generally described as decent or good, and many note it as a strong part of the package. Actual ability to take time off can depend on workload and team coverage.
  • Retirement Support — Offerings include a 401(k) with employer match and access to an employee stock purchase plan, which are highlighted as meaningful components of total rewards. These programs are consistently referenced among core benefits.
  • Parental & Family Support — Parental and caregiver leave, along with adoption assistance, are publicly highlighted and viewed as notable elements of the package. Availability can be role-specific, but these supports contribute to overall breadth where offered.

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The Company
HQ: Eden Prairie, MN
160,000 Employees
Year Founded: 2011

What We Do

Optum, part of the UnitedHealth Group family of businesses, 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. At Optum, we support your well-being with an understanding team, extensive benefits and rewarding opportunities. By joining us, you’ll have the resources to drive system transformation while we help you take care of your future. We recognize the power of connection to drive change, improve efficiency and make a difference in health care. Join a team where your skills and ideas can make an impact and where collaboration is key to creating technology that produces healthier outcomes.

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Optum Offices

Hybrid Workspace

Employees engage in a combination of remote and on-site work.

Optum has three workplace models that balance the needs of the business and the responsibilities of each role. These models, core on‑site (5 days/week), hybrid (4 days/week) and telecommute or fully remote, vary by country, role and location.

Typical time on-site: Not Specified
HQEden Prairie, MN
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