Principal C# Backend Engineer

Goods & Services

1d • Onsite

About The Position

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.

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.

Nice To Haves

• 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Principal
• Education Level: No Education Listed