Principal C# Backend Engineer

About Goods & Services

Goods & Services is a product design and engineering company. We solve mission‑critical challenges for some of the world’s largest enterprises, with deep expertise in highly regulated industries—including life sciences and financial services
. Our design‑led approach allows us to apply cutting‑edge capabilities in AI
, Data and Hardware Engineering to companies of any size. Headquartered in the United States
, we operate regional development centers in Mexico and the United Kingdom
. This global footprint—anchored by our nearshore model—enables us to deliver at scale with the speed, efficiency, and cultural alignment our clients expect.

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.

• 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

• 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

• 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 under documented system