Senior C# Backend Engineer

Goods & Services; United States; On-site; USD 120,000 - 180,000; Full time

Job summary

Goods & Services in Loveland, CO seeks a Senior C# Backend Engineer to own analyzer workflow logic and backend services in the ECL platform. You will modernize legacy systems, build reliable analyzer integrations, and deliver scalable, event-driven solutions.

Ideal candidates have 5+ years in C# / .NET backend development, plus hands-on experience with workflow orchestration, state management, and inter-service communication.

Qualifications

• 5+ 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.

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.

Skills

C# / .NET

Workflow orchestration

Backend service design

Legacy code handling

Collaboration

Tools

Azure Service Bus

Job description

About Goods & Services

Goods & Services is a product design and engineering company that solves 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 speed, efficiency, and cultural alignment our clients expect.

About the job

Goods & Services is looking for a Senior 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

• 5+ 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