Senior Full Stack Software Engineer
About The Position
Optum, part of UnitedHealth Group, is hiring a Senior Full Stack Software Engineer to develop technology that supports healthcare and payment systems. The role may be performed remotely from anywhere within the United States and involves building AI-powered solutions, with an emphasis on responsible AI use and modern technologies. The engineer will design, develop, deploy, and maintain scalable RESTful APIs and microservices for healthcare-system data exchange and payment systems. The role also includes implementing domain-driven and event-driven architectures, developing resilient and highly available components, and establishing monitoring, logging, and alerting. The engineer will independently code and unit test, conduct code reviews, and assist or mentor teammates as needed. The position calls for keeping current with technologies and trends in payment systems and cloud computing.
Requirements
- Bachelor’s or master’s degree in computer science, data science, or a related field.
- 8+ years of software engineering experience designing and deploying microservices and RESTful APIs using Java 17/21, Spring Boot, and REST web services.
- 5+ years of experience with relational databases (Oracle, PostgreSQL, or MySQL) using Spring Data JPA or Hibernate.
- 5+ years of experience with PostgreSQL, MS SQL Server, or Oracle databases.
- 4+ years of experience with microservices and event-driven architecture such as Kafka.
- 3+ years of experience deploying scalable applications in AWS or Azure using Docker and Kubernetes.
- 3+ years of experience setting up CI/CD automation pipelines (GitHub Actions or Azure DevOps) and using Git/GitHub for version control.
- 2+ years of experience building, integrating, or leveraging enterprise AI tools and solution components to optimize engineering workflows and business processes.
- 2+ years of engineering experience building infrastructure as code with Terraform and creating repeatable designs.
- 2+ years of experience with cloud environments and architecture, preferably Azure.
- 1+ years of experience writing Java using AI tools such as Copilot, Codex, or Claude.
Nice To Haves
- 3+ years of experience in the healthcare payment domain.
- 3+ years of experience with cloud computing platforms such as AWS, Azure, or Google Cloud Platform, including serverless architectures, containers, and orchestration.
- 2+ years of experience with payment-industry standards, protocols, and security best practices.
- Expertise in API security protocols including OAuth 2.0, JWT, and OAuth Client Credentials.
- 1+ years of AI experience developing AI/LLM models and leading AI teams.
Responsibilities
- Analyze, design, code, review, integrate, implement, install, and deploy AI-powered solutions for complex business challenges, with emphasis on responsible AI use.
- Design, develop, and maintain robust, scalable RESTful APIs for data exchange between healthcare systems.
- Stay current with emerging technologies, frameworks, and industry trends related to payment systems and cloud computing.
- Design and implement microservices architectures using domain-driven design principles.
- Implement monitoring, logging, and alerting mechanisms to support system performance and availability.
- Perform coding and unit testing independently, conduct code reviews, and assist or mentor team members as needed.
- Develop highly resilient and highly available components for the payment system.
Benefits
- Comprehensive benefits package, subject to eligibility requirements.
- Incentive and recognition programs.
- Equity stock purchase.
- 401(k) contribution.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
