Senior Software Engineer I - HTMX, Golang, React

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
Develop and maintain scalable full-stack web applications and RESTful APIs using React, HTMX, JavaScript, Golang, and .NET/C#. Containerize and deploy microservices with Docker and Kubernetes, design databases and application architecture, use AI-assisted development tools, and collaborate with product and engineering teams to deliver reliable healthcare technology solutions.
Summary Generated by Built In
Requisition Number: 2391157
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.
As a Full Stack Engineer within our technology team, you will drive the development of modern web applications and robust API services that empower healthcare solution delivery. In this role, you will work with innovative technologies-including React, HTMX, Golang, .NET/C#, Docker, Kubernetes, and AI-assisted tools-to architect scalable database models and build seamless application experiences. You will collaborate with cross-functional engineering teams to design high-performing systems that improve user experience and support strategic business goals.
Primary Responsibilities:
  • Design, develop, and maintain scalable full-stack web applications and RESTful APIs using React, HTMX, JavaScript, Golang, and .NET/C#
  • Containerize, deploy, and manage application microservices utilizing Docker and Kubernetes infrastructure
  • Design and optimize robust application architecture and database schemas to meet performance, reliability, and security standards
  • Leverage AI-assisted development tools and emerging technologies to optimize coding workflows, automate repetitive tasks, and drive continuous software delivery improvements
  • Collaborate closely with product management, architecture, and engineering teams to translate business requirements into technical solutions
  • Evaluate emerging engineering tools and modern frameworks to recommend architectural and operational enhancements.
  • 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:
  • 3+ years of experience in frontend and API development, including hands-on experience with React, HTMX, JavaScript, Golang, RESTful API development, Docker/Kubernetes, and .NET/C#
  • 1+ years of experience utilizing OpenAI technologies or AI-assisted development tools (such as GitHub Copilot, Codex, or Claude) within software engineering workflows
  • Demonstrated hands-on experience in full-stack application design and database design

Preferred Qualifications:
  • Experience with Extract, Transform, Load (ETL) pipelines and data integration processes
  • Experience building enterprise-scale cloud-native applications and microservice architectures

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

  • 3+ years of frontend and API development experience
  • Hands-on experience with React, HTMX, JavaScript, Golang, RESTful API development, Docker/Kubernetes, and .NET/C#
  • 1+ year of experience using OpenAI technologies or AI-assisted development tools such as GitHub Copilot, Codex, or Claude
  • Hands-on experience in full-stack application design and database design
  • Experience with Extract, Transform, Load pipelines and data integration processes
  • Experience building enterprise-scale cloud-native applications and microservice architectures

What the Team is Saying

Optum Compensation & Benefits Highlights

  • Parental & Family Support — Paid parental leave (six weeks), paid caregiver leave (up to two weeks), Bright Horizons back-up care, and adoption assistance up to $10,000 are prominently included. Feedback suggests these family supports meaningfully aid work-life balance and are often highlighted as strengths.
  • Retirement Support — A 401(k) with company match is available to all employees, including part-time staff, alongside other financial protections like disability and life insurance. Feedback suggests broad access and matching make retirement support a core pillar of the package.
  • Equity Value & Accessibility — An Employee Stock Purchase Plan offers discounted company stock, with some roles also eligible for sign-on or performance bonuses. Feedback suggests the ESPP is a standout financial perk that helps employees build ownership over time.

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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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