Senior Full Stack Software Engineer

About the role

Optum, part of UnitedHealth Group, is hiring a Senior Full Stack Software Engineer in Richardson, Texas. The role involves designing, coding and deploying AI-powered solutions and microservices for healthcare payment systems, with the option to telecommute from anywhere in the U.S. The salary ranges from $91,700 to $163,700 annually for full-time employment.

Key responsibilities

• Analyze, design, code, review, integrate, deploy and install AI-powered solutions, emphasizing responsible use of AI and technologies such as Java/J2EE, React, REST and SOAP web services, microservices, Apache Kafka, Spring Boot, Kubernetes and Docker.
• Design, develop and maintain scalable RESTful APIs for data exchange between healthcare systems.
• Design and implement microservices-based architecture using domain-driven design principles.
• Build resilient, highly available components for the payment system and implement monitoring, logging and alerting.
• Perform coding and unit testing independently, mentor team members and conduct code reviews.
• Stay current with emerging technologies in payment systems and cloud computing.

Required profile

• 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 with Java 17/21, Spring Boot and REST web services.
• 5+ years with relational databases (Oracle, PostgreSQL, MySQL) using Spring Data JPA or Hibernate, and 5+ years with PostgreSQL, MS SQL Server or Oracle.
• 4+ years with microservices and event-driven architecture such as Kafka.
• 3+ years deploying scalable applications in AWS or Azure with Docker and Kubernetes, and 3+ years setting up CI/CD pipelines (GitHub Actions or Azure DevOps) with Git/GitHub.
• 2+ years building infrastructure with code (Terraform) and 2+ years in cloud environments, preferably Azure.
• 2+ years building or integrating enterprise AI tools, and 1+ year writing Java with AI-assisted tools.

Required skills

• Java 17/21, Spring Boot, REST web services, microservices, Kafka, Docker, Kubernetes, Terraform, CI/CD.
• Preferred: healthcare payment domain experience, API security (OAuth 2.0, JWT), and experience building AI/LLM models.

What we offer

• Comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution.
• Flexibility to telecommute from anywhere in the U.S., subject to the Telecommuter Policy.