Description

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.

Enterprise Security and Resilience Office (ESRO) protects the confidentiality, integrity and availability of information for UnitedHealth Group, Optum and UnitedHealthcare. ESRO collaborates with our company's engineers, interface designers, technology infrastructure teams, newly acquired businesses and our clinical partners to continually improve security across the enterprise.

Our digital fraud engineering team is working to deliver an enterprise platform that offers access to stratified digital risk activities, alerts, and tools that support investigation teams to eliminate fraud together.

As our Lead Software Engineer you will work closely with architects, product managers, and other senior engineers to deliver high quality, secure, and maintainable solutions as part of the delivery lifecycle for our dFEDS platform. You will be seen as a leader that can influence and agree technical direction as well as mentoring junior engineers.

Software Engineering is the application of engineering to design, develop, implement, test, deploy, monitor and maintain software in a systematic method. This role will cover all primary development and maintenance activities across all technology functions to ensure that we deliver code with high quality. 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.

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.

Primary Responsibilities:

• Accountable for product lifecycle including research, proof of concepts, architect, design, develop, test, deploy and maintenance
• Design and develop modular, flexible, scalable, secure, reliable and quality solutions that deliver business value through superior user experience
• Reuse the components wherever possible and sharing of components across organization
• Layer in instrumentation in the development process so that applications can be monitored. Measurements are used to detect internal problems before they result into user visible outages
• Build processes and diagnostics tools to troubleshoot, maintain and optimize solutions and respond to customer and production issues
• Embrace continuous learning of engineering practices to ensure industry best practices and technology adoption, including DevOps, Cloud and Agile thinking
• Tech debt reduction/ Tech transformation including Open source adoption, Cloud adoption , HCP assessment and adoption
• Establish and maintain a solid relationship with the Operational and Business leaders, curating a high degree of trust
• Possess a solid communication style and ability to promote enterprise solutions across Operations and Business stakeholders
• Serve as a consultant and subject matter expert to Technology, Operations and Business executives
• Contribute to the definition of a technology strategy and support the evolution & implementation for the team leveraging enterprise assets and technology advancements creating a best-in-class solution
• Partner with adjacent Technology Leaders to ensure appropriate alignment and support is provided to meet the strategy goals
• Provide leadership & mentoring to a diverse and inclusive technology team of developers, engineers, architects, and Agile delivery team members
• Ensure the Software Development Team adheres to department and organizational policies and procedures
• Maintain consistent contact with direct-line leadership on all team activities and critical tasks
• Ensures that all solutions implemented are compliant with industry and regulatory policies
• Support & empower the team to deliver on commitments and priorities. Challenge areas of work that do not align to the larger strategy
• Pro-actively monitor for reliability and availability and address all gaps through backlog management
• Write high quality unit, integration, and contract tests
• Implement secure, scalable microservices with solid API contracts
• Act as the Technology escalation point for issues impacting the teams, and supporting as required
• Ensure issue and problem management tickets are resolved in an efficient manner and participation in Reliability Forums is managed
• Collaborate with vendors, adjacent/impacted development teams, and Technology, Operations and business leadership on all activities impacting the operation of the teams

Tech Stack Specific Responsibilities:

• Develop and deploy services in Microsoft Azure; Integrate event-driven components using Event Hubs and/or Kafka
• Contribute & collaborate on design decisions & implementations regarding scalability, resiliency, integration, and cost efficiency for Databricks, ADSL, & Snowflake technologies
• Design, build, and maintain RESTful APIs using Java and Spring Boot

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.

Required Qualifications:

• Highly experienced with principle/lead software engineering
• Demonstrated solid understanding of software design principles and patterns
• Proven solid experience with Cloud, Snowflake, and Databricks technologies
• Proven experience delivering production grade java applications
• Proven experience mentoring & coaching colleagues & junior engineers
• Proven experience working in & supporting Agile teams

Preferred Qualifications:

• Possesses a background in healthcare

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.