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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.

We are seeking a skilled Principal Full Stack Engineer with experience in FHIR (Fast Healthcare Interoperability Resources) to join our team. As a Full Stack Engineer, you will be responsible for designing, developing, and maintaining integrations between healthcare systems using FHIR standards. You will collaborate closely with cross-functional teams to understand requirements, architect solutions, and implement robust, scalable backend systems.

Software engineering is the application of engineering to the design, development, implementation, testing and maintenance of software in a systematic method. The roles in this function will cover all primary development activity across all technology functions that ensure we deliver code with high quality for our applications, products and services and to understand customer needs and to develop product roadmaps.

These roles include, but are not limited to analysis, design, coding, engineering, testing, debugging, standards, methods, tools analysis, documentation, research and development, maintenance, new development, operations 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. Generally work is self-directed and not prescribed.

Primary Responsibilities:

• Design, develop, and maintain robust and scalable RESTful APIs for data exchange between healthcare systems

• Develop and implement complex FHIR-based integration solutions using Spring Boot

• Collaborate with cross-functional teams including developers, architects, and healthcare professionals to gather integration requirements and design solutions

• Implement secure integration solutions that comply with industry standards and best practices, including authentication, authorization, and encryption

• Perform code reviews, provide technical guidance, and mentor junior team members

• Conduct integration testing and resolve any complex issues or defects

• Create and maintain technical documentation including integration design specifications, API documentation, and deployment procedures

• Stay updated on industry trends, emerging technologies, and best practices in backend engineering and data engineering

• Works with less structured, more complex issues

• Serves as a resource to others

• 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:

• Bachelor's degree in Computer Science, Engineering, or a related field; Master's degree preferred.

• 10+ years experience as a Full Stack Engineer with solid proficiency in Angular, Java, SpringBoot or other backend programming languages.

• Solid experience of healthcare interoperability standards and protocols, including FHIR, HL7.

• Experience with cloud platforms (e.g., Azure) and containerization technologies (e.g., Docker, Kubernetes).

• Solid understanding of database concepts, distributed systems, and data warehousing principles.

• Proven excellent problem-solving skills and ability to work independently as well as part of a team.

• Effective communication skills with the ability to explain technical concepts to non-technical stakeholders.

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.