Azure .NET Developer

Kellton; Des Moines (IA); Hybrid; USD 83,000 - 124,000; Full time

Job summary

Kellton is seeking a Senior Azure .NET Developer Contractor in Des Moines, IA to design, build, and deploy Azure-based data products. You will work within the Integration Services team, focusing on serverless patterns, RESTful API design, and secure authentication strategies.

The role requires deep expertise in C#/.NET, Azure Functions, Service Bus, and APIM, with hands-on experience in CI/CD (GitHub Actions) and distributed systems debugging. Hybrid work in Des Moines.

Qualifications

• 5+ years pro experience developing in C#/.NET.
• 3-5 years hands-on experience with Azure cloud services (Functions, Service Bus, API Management).
• Proven experience designing, building, and deploying RESTful APIs.

Responsibilities

• Design, develop, and deploy scalable Azure-based data products.
• Build, configure, and manage Azure Functions (HTTP/queue triggered).
• Implement and support Azure Service Bus messaging patterns (topics/queues).
• Stand up, configure, and enhance Azure API Management instances and APIs.
• Collaborate with architects and product owners to define technical designs and API specifications.
• Develop reusable C#/.NET components aligned with modern patterns.
• Ensure API consistency, versioning, and REST standards.

Skills

C# / .NET

Azure Functions

Azure Service Bus

Azure API Management

RESTful APIs

Serverless

OAuth2 / JWT

GitHub Actions

Job description

Azure .NET Developer in Des Moines- IA

Des Moines, IA (Hybrid)

6 to 9 months Contract with a possibility of extension

My Client is looking for a Senior Azure Developer Contractor to support ongoing development of cloud based Enterprise Integration Services technologies. This role will be deeply embedded in the Integration Services team and will focus on designing and building Azure native solutions utilizing Azure Functions, Azure Service Bus, Azure API Management, C#/.NET, and modern API design principles.

The ideal candidate will be able to quickly understand our architecture, contribute to solution design, and deliver high quality Azure components in a fast paced environment.

Required Experience:

• 5+ years professional experience developing in C#/.NET
• 3-5 years hands on experience with Azure cloud services, including:
• Azure Functions
• Azure Service Bus (queues/topics/subscriptions)
• Azure API Management (APIM)
• Proven experience in designing, building, and deploying RESTful APIs
• Strong background with serverless development and event driven architectures
• Experience building secure APIs including authentication, authorization, and token engagement

Required Skills:

• Strong proficiency in C# and .NET 6/7+
• Deep understanding of API best practices, request/response modeling, error handling, and versioning
• Hands on experience with Azure resource configuration, policies, and integrations
• Familiarity with OAuth2.0, JWT, managed identities, and other authentication patterns
• Solid debugging and troubleshooting skills across distributed systems
• Experience with CI/CD pipelines (GitHub Actions preferred)

Responsibilities:

• Design, develop, and deploy scalable Azure based data products
• Build, configure, and manage Azure Functions (HTTP triggered, queue triggered)
• Implement and support Azure Service Bus messaging patterns (topics/queues)
• Stand up, configure, and enhance Azure API Management (APIM) instances and APIs
• Collaborate with architects and product owners to define technical designs and API specifications
• Develop robust and reusable C#/.NET components aligned with modern engineering patterns
• Ensure API consistency, versioning strategy, and adherence to RESTful standards
• Troubleshoot, optimize, and enhance existing Azure components and integrationsContribute to best practices for Azure development, DevOps, and API lifecycle management
• Support documentation, code reviews, and knowledge transfer to internal teams