Senior C# Backend Engineer

Goods & Services; Loveland (CO); Hybrid; USD 120,000 - 180,000; Full time

Job summary

Goods & Services is seeking a Senior C# Backend Engineer to own analyzer workflow logic within the ECL platform. You will drive backend processes end-to-end, orchestrate state transitions, and collaborate with the Analyzer Integration Engineer to ensure reliable inter-service communication.

You'll also support modernization efforts by extracting workflow logic into shared .NET libraries, while working closely with QA to verify correctness across analyzer types and edge cases, in a hybrid

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

State machines

Backend service design

Legacy code maintenance

Tools

.NET Framework 4.x

Azure Service Bus

Job description

NOTE:

This is a Hybrid position, onsite at client's facilities 3 days a week in Loveland, Colorado, United States.

About Goods & Services

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.

About the job

Goods & Services is looking for aSenior 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