Overview
Senior Software Engineer - Dublin, Letterkenny, Optum
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. 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 are expanding our team in Ireland and creating opportunities to advance your career. You will collaborate with Software Engineers, Data Scientists, and subject matter experts to deliver high-quality code for our applications, products and services.
Careers with Optum offer flexible work arrangements; individuals in the Republic of Ireland may split their monthly work hours between Dublin or Letterkenny and telecommute from a home-based office in a hybrid model.
Primary Responsibilities
* Design, code, test, document and maintain server-side and client-side scalable applications using React/NextJS, TypeScript, and Python frameworks (Django, Flask, or FastAPI) with a focus on code quality, efficiency, and best practices
* Ensure seamless integration of front-end and back-end components to deliver fully functional systems
* Collaborate with UI/UX designers to create user-friendly interfaces and ensure a seamless user experience
* Design and implement RESTful APIs and microservices architecture to facilitate communication between components
* Develop data access layers and connect to relational and NoSQL databases (e.g., MySQL, MongoDB) for data storage, retrieval, and manipulation
* Maintain and support CI/CD processes using Github Actions to test and build software artifacts
* Research, evaluate, and deploy new tools, frameworks and patterns to build a sustainable analytic platform
* Identify gaps and opportunities for improvement of existing solutions
* Be innovative in solution design and development to meet business needs
* Assist in defining product technical architecture
* Make accurate development effort estimates to assist management in project and resource planning
* Create prototypes, proof-of-concepts, and participate in design and code reviews
* Collaborate with management, quality assurance, architecture, and other development teams
* Write technical documentation and participate in production support
Qualifications
Required Qualifications
* Undergraduate degree or equivalent experience
* Proven software development experience
* Proficiency in React/NextJS and Python, Spark/PySpark and Databricks
* Experience developing applications on at least one major cloud platform (Azure preferred)
Preferred Qualifications
* NoSQL databases, Docker and Kubernetes
* Healthcare experience
Soft Skills
* Excellent communication skills to collaborate with cross-functional teams and stakeholders
Please note you must currently be eligible to work in the country to which you are applying and be able to remain indefinitely without any restrictions. Proof may be required to support your application.
EEO Statement: 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, or any other characteristic protected by law. Optum is a drug-free workplace. © 2025 Optum Services (Ireland) Limited. All rights reserved. #RPO
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