Software Engineer

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 diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health equity on a global scale. Join us to start Caring. Connecting. Growing together.

At Optum Ireland, we're building innovative technology solutions that help improve healthcare outcomes at scale. We're seeking a talented Software Engineer to join the Optum Real engineering team, developing highly scalable, cloud-native applications that power healthcare transaction processing, API integrations, event-driven systems, and operational tooling.

This role is ideal for an engineer who enjoys solving complex technical challenges, building resilient distributed systems, and working closely with product, architecture, and engineering teams to deliver secure, reliable, and high-performing solutions.

Careers with Optum offer flexible work arrangements and individuals who live and work in the Republic of Ireland will have the opportunity to split their monthly work hours between our Dublin or Letterkenny office and telecommuting from a home-based office in a hybrid work model.

What you will do:

• Design, develop, test, and support cloud-native applications using Java and Spring Boot
• Build and maintain REST APIs and event-driven integrations
• Develop scalable microservices operating within Azure cloud environments
• Contribute to healthcare transaction processing solutions and service-oriented architectures
• Participate in architecture discussions, technical design reviews, and engineering best practices
• Collaborate with product owners and business stakeholders to refine technical requirements
• Create and maintain automated unit, integration, and end-to-end tests
• Support CI/CD pipelines and modern DevOps practices
• Monitor and support production systems, resolving complex technical issues and implementing long-term solutions
• Enhance application observability through logging, monitoring, alerting, and telemetry
• Participate in Agile ceremonies including sprint planning, estimation, backlog refinement, and retrospectives

You will be rewarded and recognized for your performance in an environment that will challenge you and give you clear direction on what it takes to succeed in your role, as well as providing development for other roles you may be interested in.

What you will bring:

• Bachelor's degree in Computer Science, Software Engineering, Information Technology, or equivalent practical experience
• Proven experience developing software solutions using Java
• Proven solid experience with Java, Spring Boot, and REST API development
• Proven experience working with relational and/or NoSQL database technologies
• Proven experience utilizing Git-based source control systems
• Demonstrated solid understanding of object-oriented programming and software design principles
• Proven experience developing automated tests
• Demonstrated solid analytical, troubleshooting, communication, and collaboration skills

Other useful skills and experience include:

• Proven experience designing and delivering cloud-native microservices on Microsoft Azure
• Proven experience working with containerized and event-driven architectures, including Docker, Kubernetes, and messaging platforms
• Proven hands-on experience with NoSQL platforms such as MongoDB, performance engineering, and scalability initiatives
• Proven experience with CI/CD, infrastructure automation, observability, monitoring, and distributed tracing solutions
• Proven experience delivering solutions within healthcare technology or other highly regulated enterprise environments
• Demonstrated experience working with automated testing frameworks
• Demonstrated familiarity with GraphQL and related API technologies

Please note you must currently be eligible to work and remain indefinitely without any restrictions in the country to which you are making an application. Proof will be required to support your application.

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.

Diversity creates a healthier atmosphere: Optum is an Equal Employment Opportunity employer and all qualified applicants will receive consideration for employment without regard to gender, civil status, family status, sexual orientation, disability, religion, age, race, and membership of the Traveller community, or any other characteristic protected by law. Optum is a drug-free workplace. © 2026 Optum Services (Ireland) Limited. All rights reserved.