Senior Full Stack Engineer

Posted Yesterday
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Bengaluru, Bengaluru Urban, Karnataka, IND
In-Office
Senior level
Artificial Intelligence • Big Data • Healthtech • Information Technology • Machine Learning • Software • Analytics
The Role
Design, build, and maintain scalable full-stack applications using Java, TypeScript/React, and Python. Develop backend services, RESTful APIs, microservices, and AI integrations. Implement agentic AI capabilities, LLMs, RAG, embeddings, and vector search. Collaborate with product, data science, UX, QA, security, and DevOps; participate in code reviews, testing, CI/CD, and apply secure engineering and responsible AI principles.
Summary Generated by Built In
Requisition Number: 2366295
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:
  • Design, develop, and maintain scalable full-stack applications using Java/TypeScript, React, and Python
  • Build reliable backend services, APIs, microservices, and integrations that support enterprise-grade application and AI use cases
  • Design and implement agentic AI capabilities, including task automation, tool orchestration, workflow execution, and integration with enterprise systems
  • Build scalable AI agents that can reason over data, call APIs/tools, support multi-step workflows, and deliver measurable business value
  • Integrate AI services, LLMs, RAG patterns, embeddings, vector search, and prompt workflows into production applications
  • Collaborate with product, architecture, data science, UX, QA, security, and DevOps teams to deliver secure, high-quality solutions
  • Participate in code reviews, testing, troubleshooting, performance optimization, documentation, and CI/CD delivery activities
  • Apply secure engineering practices, responsible AI principles, data privacy standards, and enterprise compliance requirements throughout the development lifecycle
  • 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 regards 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:
  • B.Tech or B.E degree in Computer Science / Information Technology, or a related field
  • 7+ years of hands-on software development experience with full-stack engineering responsibilities
  • Hands-on experience with Java-based backend development using frameworks such as Spring Boot, Spring MVC, or similar enterprise frameworks
  • Solid experience with TypeScript, JavaScript, React, reusable UI components, state management, and modern frontend development practices
  • Practical experience with Python for automation, backend services, AI integrations, data processing, or agent development
  • Experience designing and developing RESTful APIs, microservices, event-driven integrations, and secure application services
  • Hands-on exposure to AI tools and technologies such as LLMs, prompt engineering, RAG, embeddings, vector databases, semantic search, and AI service APIs
  • Experience building or integrating AI agents, copilots, chat assistants, workflow agents, or automation agents into enterprise applications
  • Experience with Git, CI/CD pipelines, automated testing, code quality practices, and agile delivery methodologies
  • Solid understanding of scalable application architecture, distributed systems, API security, authentication, authorization, and performance optimization
  • Proven analytical, troubleshooting, communication, and collaboration skills with the ability to work across engineering and business teams

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

  • B.Tech or B.E degree in Computer Science, Information Technology, or related field
  • 7+ years of hands-on software development experience with full-stack engineering responsibilities
  • Hands-on experience with Java-based backend development using frameworks such as Spring Boot or Spring MVC
  • Solid experience with TypeScript, JavaScript, React, reusable UI components, and state management
  • Practical experience with Python for automation, backend services, AI integrations, or agent development
  • Experience designing and developing RESTful APIs, microservices, and event-driven integrations
  • Hands-on exposure to AI tools and technologies such as LLMs, prompt engineering, RAG, embeddings, vector databases, and semantic search
  • Experience building or integrating AI agents, copilots, chat assistants, workflow agents, or automation agents
  • Experience with Git, CI/CD pipelines, automated testing, and code quality practices
  • Solid understanding of scalable application architecture, distributed systems, API security, authentication, authorization, and performance optimization
  • Proven analytical, troubleshooting, communication, and collaboration skills

What the Team is Saying

Optum Compensation & Benefits Highlights

  • Healthcare Strength Health coverage offers copay and HSA medical options with dental, vision, company‑paid life and disability, and free or low‑cost virtual visits. Feedback suggests the offering is comprehensive and competitive on paper.
  • Parental & Family Support Time off and family supports include PTO, eight paid holidays plus a floating day, six weeks paid parental leave, up to two weeks paid caregiver leave, Bright Horizons back‑up care, and adoption assistance up to $10,000. Feedback suggests these resources are meaningful for caregivers and family needs.
  • Retirement Support Savings programs include a 401(k) with employer match (after one year, vesting after two) and a 10%‑discount Employee Stock Purchase Plan. These programs bolster long‑term financial security when combined with other savings resources.

Optum Insights

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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
Metro Manila, Philippines
Cebu, Philippines
Davao, Philippines
Ann Arbor, MI
Atlanta, GA
Baltimore, MD
Bengaluru, India
Chennai, India
Dallas, TX
Detroit, MI
Dublin, Ireland
Hartford, CT
Houston, TX
Hyderabad, India
Jacksonville, FL
Las Vegas, NV
Letterkenny, Ireland
Louisville, KY
Madison, WI
Minneapolis, MN
Nashville, TN
New Delhi, India
Philadelphia, PA
Phoenix, AZ
Pune, India
Raleigh, NC
San Diego, CA
Washington, DC
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