Goods & Services - Principal C# Backend Engineer
Requirements
• 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 underdocumented system
Responsibilities
• 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.
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