Senior Software Engineer - Remote

UnitedHealth Group•Richmond, BC

3d•Remote

About The Position

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. We are seeking a Senior Software Engineer to design, build, and operate cloud-based services that power large-scale, mission-critical platforms. In this role, you will take end-to-end ownership of features—from requirements and system design through deployment and production operations—while balancing new feature delivery with technical debt reduction. You’ll collaborate closely with product and engineering partners, uphold a high engineering bar, and help the team continuously improve how we build, test, ship, and support software. You’ll enjoy the flexibility to work remotely from anywhere within the U.S. as you take on some tough challenges. For all hires in the Minneapolis or Washington, D.C. area, you will be required to work in the office a minimum of four days per week.

Requirements

7+ years of professional software engineering experience building and maintaining production systems
Solid hands-on experience with C#, .NET, and ASP.NET Core in service-oriented or microservice-based architectures
Experience maintaining large, complex codebases with multiple services, shared libraries, and cross-team dependencies
Experience with API design, backend integrations, asynchronous processing, and debugging distributed systems
Experience with containerized development and deployment using Docker
Experience with CI/CD, automated testing, code reviews, and code-quality tooling
Experience deploying and operating production workloads on cloud platforms (GCP, AWS, or Azure)
Working knowledge of frontend development with React, TypeScript, and modern JavaScript tooling
Familiarity with databases and data-access patterns in high-scale systems
Proven solid troubleshooting skills across application, infrastructure, and integration layers
Proven solid communication skills and the ability to lead technical decisions, mentor engineers, and improve engineering practices

Nice To Haves

Bachelor’s degree in Computer Science, Software Engineering, or related field, or equivalent practical experience
Experience with Google Cloud Platform (e.g., GKE, Cloud Run, Pub/Sub, Spanner, Dataflow)
Experience with healthcare or regulated-domain software
Experience supporting imaging, archive, workflow, or integration platforms such as PACS, VNA, or enterprise imaging systems
Experience modernizing legacy services while preserving backward compatibility and production stability
Experience with observability (structured logging, metrics, tracing) and production incident response
Experience with test strategy across unit, integration, and end-to-end test suites
Experience working with mixed technology stacks, including some combination of Java, Python, Node.js, and .NET
Experience improving developer workflows, repository health, dependency management, and platform maintainability
Experience with agentic development (e.g., building workflows that use tools, planning, and automation)
Familiarity with healthcare interoperability standards such as DICOM, HL7, and FHIR
Familiarity with event-driven/message-based architectures, protobuf contracts, and background job/workflow patterns

Responsibilities

Contribute to planning and execution of software development for new capabilities, including estimating, sequencing work, and identifying dependencies
Design, develop, deploy, and operate cloud-based services in a CI/CD environment with a strong focus on reliability, performance, and security
Balance delivery of new features with ongoing maintenance and reduction of technical debt, proactively surfacing risks and tradeoffs
Write high-quality, scalable, supportable code with appropriate unit tests, automated test coverage, documentation, and operational readiness (monitoring, alerting, runbooks)
Partner with user representatives and cross-functional engineering teams to clarify requirements, propose solutions, and implement necessary modifications
Collaborate proactively with other teams to remove blockers, resolve integration issues, and ensure smooth delivery across services
Lead by example through technical excellence—driving good design decisions, improving engineering practices, and mentoring others as needed
Continuously identify and champion opportunities to improve developer productivity, system maintainability, and the team’s responsiveness to change
Leverage enterprise-approved AI tools to enhance productivity and innovation by streamlining workflows and automating repetitive tasks