About the job Goods & Services is looking for a
Principal C# Backend Engineer with expertise in workflow orchestration, state management, and backend service design. Experienced in modernizing legacy systems, building reliable analyzer integrations, and delivering scalable, event-driven solutions.
Location: Loveland, Colorado.What you'll do:- Develop and maintain analyzer workflow logic within the ECL platform, owning the backend processes that drive analyzer operations end-to-end
- Implement and extend workflow orchestration - managing analyzer state transitions, operational sequencing, and runtime event handling
- Collaborate with the Analyzer Integration Engineer on the communication layer between ECL and connected analyzers
- Support the DCU modernization effort by identifying workflow logic that can be extracted and repackaged into shared .NET libraries
- Work with QA to ensure workflow correctness and reliability across analyzer types and edge cases
- Participate in knowledge transfer from departing Hydra resources to preserve continuity of analyzer workflow behavior.
What you'll need:- 7+ years of professional C# / .NET backend development experience
- Experience building workflow or orchestration systems - state machines, process sequencing, or similar patterns
- Solid understanding of backend service design and inter-service communication
- Ability to work within and around legacy codebases without breaking production.
- Collaborative approach to working alongside integration and infrastructure engineers.
Nice to have:- Exposure to medical device, laboratory, or instrument integration workflows
- Familiarity with .NET Framework 4.x and modern .NET migration patterns
- Experience with Azure Service Bus or event-driven messaging
- Background picking up ownership of an inherited or underdocumented system
