> Markdown version of [/jobs/ext/3967046-senior-software-engineer](https://www.wearedevelopers.com/jobs/ext/3967046-senior-software-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Engineer - **Company:** Unitedhealth Group Inc - **Location:** Chicago, IL, United States - **Experience:** Expert - **Salary:** $190,736.0 - $340,496.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Agile Methodology, Artificial Intelligence, Amazon Web Services, Architectural Patterns, Automation of Tests, Microsoft Azure, Cloud Computing, Relational Databases, Software Debugging, Programming Tools, Distributed Systems, Java Platform Enterprise Edition (J2EE), Monitoring of Systems, Java Message Service (JMS), Enterprise Messaging Systems, Microsoft Copilot, Software Engineering, Software Systems, Software Testing Automation Framework, Workflow Management Systems, Data Processing, Java Application Server, Real Time Systems, Spring-mvc, ReactJS, Grafana, Spring-boot, Containerization, Kubernetes, Information Technology, Apache Kafka, Front End Software Development, Api Design, Restful APIs, Domain Driven Design, Splunk, Dynatrace, Docker, Microservices - **Published:** October 27, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-software-engineer-chicago-il--b4559e7e-5b3f-454c-b969-486b39a1576d ## About the Role Software Engineering, Analysis Skills, Debugging Skills, Best Practices, Testing, Java, Performance Management, REST (Representational State Transfer), Application Programming Interface (API), Microservices, * Education: Bachelor's degree in engineering, Information Technology, Computer Science, or a related field * Minimum 4+ years of hands-on software development experience using Java technologies (Java, J2EE, Spring MVC, Spring Boot), with exposure to modern front-end frameworks such as React.js * Minimum 4+ years of experience working on modern software engineering technologies, with a strong focus on API development * Minimum 4+ years of experience working with messaging systems such as Kafka, JMS, or similar event-driven frameworks * Minimum 4+ years of experience working with monitoring and observability tools such as Dynatrace, Splunk, Grafana, or similar platforms * Minimum 3+ years of experience in cloud-native development using platforms such as Azure, AWS, or GCP, and working with containerization (Docker) and orchestration tools (Kubernetes) * Minimum 3+ years of experience working in Agile/Scrum development environments * Minimum 3+ years of experience working with relational databases * Proven experience in developing microservices architectures and secure RESTful APIs * Proven experience with CI/CD pipelines and automated testing practices * Demonstrated ability to effectively use AI-powered development tools (e.g., Copilot) to improve productivity Preferred Qualifications * Experience with real-time systems and high-throughput data processing * Experience troubleshooting and resolving production issues in distributed systems ## Description 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 inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together. Primary Responsibilities * Implement end-to-end features and user stories, including analysis, design, development, validation, deployment, and post-deployment support * Design, code, test, and debug Java applications following best practices to ensure high performance, security, and maintainability * Develop and maintain microservices and RESTful APIs in a distributed architecture * Collaborate within Agile development teams to plan, deliver, and continuously improve software solutions * Apply security principles and industry best practices when designing and building secure applications and APIs * Contribute to the design and adoption of architectural patterns, including Domain-Driven Design * Work with relational databases to design, query, and optimise data models * Build, maintain, and improve CI/CD pipelines and test automation frameworks * Troubleshoot, diagnose, and resolve issues in development, test, and production environments * Leverage AI tools (including Copilot and related AI Builder tools) to enhance development productivity and efficiency * Demonstrate strong problem-solving skills, attention to detail, and effective collaboration across teams You'll be rewarded and recognized for your performance in an environment that will challenge you and give you clear directions on what it takes to succeed in your role as well as provide development for other roles you may be interested in.