Senior .NET AI Developer

Quick Facts

• Role: Backend .NET Developer with AI-assisted development focus
• Work model: Hybrid (local candidate required), ~3 days onsite per week in Westchester, IL
• Contract: 6+ months

Description

Design, develop, and maintain scalable, cloud-based backend applications using .NET/.NET Core and ASP.NET Core Web APIs. Build Azure integrations and event-driven architectures (Kafka preferred) using Azure Integration Services, messaging, and API management. Leverage AI-assisted development tools (GitHub Copilot, Claude Code) and prompt engineering to accelerate coding, refactoring, debugging, unit test generation, code reviews, and documentation.

Responsibilities

• Develop and maintain applications using .NET / .NET Core / ASP.NET Core
• Build RESTful APIs and microservices architecture
• Implement Azure Integration Services, including Logic Apps, Azure Functions, Azure Service Bus, Azure Event Grid, and Azure API Management
• Build secure, scalable integrations between cloud and on-prem systems
• Integrate third-party systems, enterprise applications, and internal services via APIs and messaging
• Apply secure authentication and authorization (OAuth, Azure AD, JWT)
• Deploy and manage Azure apps (App Services, Storage; AKS is a plus) and troubleshoot using Azure Monitor/Application Insights
• Implement CI/CD pipelines using Azure DevOps or GitHub Actions
• Perform unit testing, integration testing, and debugging; maintain code quality through reviews and automated tests
• Participate in Agile/Scrum ceremonies and contribute to sprint planning

Requirements

• 7–8+ years of .NET development experience
• Strong C#, ASP.NET Core, and Web API experience
• Hands-on Azure cloud services and integrations experience
• Experience with REST APIs, JSON, and microservices architecture
• Proficiency in SQL Server and database design

Benefits

• 6+ month contract with hybrid schedule (~3 days onsite/week)
• Work on AI-assisted C#/.NET development and event-driven Azure architectures