Lead Full Stack Software Engineer

Optum is a global organisation 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. 

About the role:

In healthcare, evolution doesn’t just happen. It takes innovation, imagination, and a passion for solving problems in new and better ways. And innovation is taking place at a lightning-fast pace every day at Optum. 
As the fastest growing part of the UnitedHealth Group family of businesses, we’re expanding our team in Ireland and creating excellent opportunities for those who want greater purpose and more impact in their work. We’ll provide the investment, support, and resources to advance your career. You’ll provide the talent, ambition, and drive. 
 
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 and telecommuting from a home-based office in a hybrid work model. 

Primary Responsibilities:

•    Design and Develop: Architect, design, and develop software applications and components with a focus on security and efficient API integration.
•    Security and Compliance: Ensure all solutions adhere to the highest security standards, including secure coding practices, encryption, data protection, and compliance with relevant health care industry regulations.
•    API Development and Integration: Create and integrate RESTful and Node APIs to facilitate seamless communication between frontend, backend, and third-party services.
•    Quality Assurance: Conduct peer design/code reviews, develop automated test cases, and ensure adherence to industry best practices for scalability, maintainability, usability, availability, extensibility, security, and portability.
•    Collaboration: Work closely with product management, AI/ML engineers, and other stakeholders to develop and refine solutions that meet business needs.
•    Innovation: Leverage the latest technologies to solve complex problems in the healthcare industry, with a particular focus on enhancing security and API capabilities.
•    Continuous Improvement: Drive continuous integration/validation and advocate for the adoption of DevOps best practices, including automation tools and methodologies to streamline development processes.

You will be rewarded and recognised 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 :

•    Experience: Proven extensive experience  in  Software Development Life Cycle, with a strong background in Full Stack Development.

•    Technical Expertise:
        o    Proficiency in SQL, Angular, React, Java, jQuery, TypeScript, and Node.js.
        o    Demonstrated experience in developing and integrating secure RESTful or GraphQL APIs.
        o    Strong understanding of secure coding practices and experience in implementing security features such as authentication, authorization, encryption, and data protection.

•    Source Control: Experience with Git or similar version control tools, with an emphasis on collaborative development and code management.

•    Best Practices: A solid grasp of Object-Oriented Programming concepts, clean code principles, and a commitment to security best practices.

•    Problem-Solving: Ability to tackle complex challenges in the healthcare domain, with a focus on innovative and secure solutions.

•    Communication: Excellent communication skills to effectively collaborate with cross-functional teams and stakeholders.

Preferred Qualifications :

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

•    Familiarity with compliance frameworks and standards relevant to the healthcare industry, such as HIPAA.

•    A portfolio of projects demonstrating expertise in developing secure applications and API integrations.

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.

All telecommuters will be required to adhere to the UnitedHealth Group’s Telecommuter Policy.

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 marginalised 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. © 2025 Optum Services (Ireland) Limited. All rights reserved.