Lead 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.

This role on the Analytics Engineering team is based within Optum Insight as part of Payment Integrity Decision Intelligence(PIDI) organization. Optum is the technology and services division of UnitedHealth Group, the leading international health insurer. The roles of the Analytics Engineering team within PIDI include, but are not limited to analysis, design, coding, engineering, testing, debugging, standards, methods, tools analysis, documentation, research and development, maintenance, new development, operations, AI engineering and delivery. With every role in the company, each position has a requirement for building quality into every output. This also includes evaluating new tools, new techniques, strategies; Automation of common tasks; build of common utilities to drive organizational efficiency with a passion around technology and solutions and influence of thought and leadership on future capabilities and opportunities to apply technology in new and innovative ways.

We are now looking for an additional Lead Software Engineer to enhance our Software Engineering capacity to develop the analytics, analytic applications and analytic platforms in support of our business insights. As a key member of the Analytics Engineering Team, you will be part of UnitedHealth Group's mission of helping people live healthier lives. You will work with other Software Engineers and Data Scientists along with subject matter experts to deliver code with high quality for our applications, products and services.

As part of this team, you will be empowered and challenged to bring the power of Information and technology to transform the health care industry and improve people's lives. This is where it's happening. This is where you'll help solve the problems that have never been solved. We're freeing information so it can be used safely and securely wherever it's needed. Join us!

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:

• Serve as a technical lead contributing to and directing the efforts of development teams, including internal and external team members
• Lead end-to-end software engineering activities, including requirements analysis, system design, development, testing, deployment, and application support
• Design, develop, and deploy scalable, high-performance software applications and AI-powered solutions to address complex business challenges with emphasis on responsible use of AI
• Leverage AI-assisted development tools and emerging generative AI technologies to improve software design, development, testing, documentation, code review, and operational efficiency
• Evaluate, adopt, and promote AI-powered engineering practices that accelerate delivery while maintaining security, quality, compliance, and maintainability standards
• Partner with architecture, product, and engineering teams to identify opportunities to incorporate AI capabilities into products, platforms, and developer workflows
• Build and optimize data workflows and pipelines using Python, PySpark, and SQL to process large-scale datasets efficiently
• Research, evaluate, and deploy new tools, frameworks and patterns to build a sustainable Analytic platform
• Maintain and support CICD processes using GitHub Actions to test and build software artifacts
• Be innovative in solution design and development to meet the needs of the business
• Assist in defining product technical architecture
• Make accurate development effort estimates to assist management in project and resource planning
• Create prototypes, proof-of-concepts & design and code reviews
• Write technical documentation and participate in production support

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:

• Proven extensive hands-on experience in Software Development
• Proven experience working with Spark, PySpark, and Databricks
• Proven experience developing applications on at least one major cloud platform, including Microsoft Azure, Amazon Web Services (AWS), or Google Cloud Platform (GCP)

Other useful skills and experience include:

• Undergraduate degree or equivalent professional experience
• Proven experience working with NoSQL database technologies, Docker, and Kubernetes
• Proven experience within the healthcare industry

What We Offer:

• Opportunities for professional development
• Inclusive and supportive team culture
• Key benefits: Private health insurance, wellness programs, matching pension contribution, lunch provided by the company, training opportunities, employee donations matching and others

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.