Senior Dot NET Developer with AI-assisted development tools
Job Title: Senior .NET Applications Developer
Job Code: AZ 12899
Client: State of Arizona – Arizona Department of Revenue (AZDOR), Agency Support Division (ASD)
Location: Phoenix, Arizona (Hybrid)
Duration: Contract through At least 1 Year
Work Location: 600 W. Monroe, Phoenix, AZ 85007
Work Hours: Monday – Friday | 8:00 AM – 5:00 PM | 40 Hours/Week
Closing Date: July 27, 2026 | 4:00 PM
Position Overview
The Arizona Department of Revenue (AZDOR) is seeking a Senior .NET Applications Developer to design, develop, troubleshoot, and support enterprise .NET applications that power Arizona's tax accounting systems. The ideal candidate will have extensive experience with .NET technologies, C#, ASP.NET, REST APIs, Azure DevOps, and modern AI-assisted software development tools including GitHub Copilot, AWS Bedrock, and Anthropic Claude.
Local Phoenix candidates only. Candidates must be available for an in-person interview within one week of the posting close date and able to start within two weeks of receiving an offer.
Required Skills
8+ years of programming experience, including 3+ years in software development.
1–2+ years of professional experience using AI-assisted development tools, including:
GitHub Copilot
VS Code AI Extensions
AWS Bedrock
Anthropic Claude
Strong experience with:
C#
.NET Core
.NET Framework
ASP.NET
ASP.NET MVC
REST APIs
Entity Framework
ADO.NET
JavaScript
T-SQL
Azure DevOps and/or TFS
Experience with Windows Communication Foundation (WCF).
Knowledge of XML Schema, Unit Testing, Dependency Injection, and OWASP security principles.
Proficiency with Microsoft Office and Google Workspace applications.
Preferred Skills
Bachelor's degree in Computer Science or a related field.
Extensive experience with .NET technologies.
DevOps experience.
Experience designing enterprise client/server applications.
Key Responsibilities
Design, develop, enhance, and maintain enterprise .NET applications supporting tax accounting systems.
Develop client/server solutions using .NET Core, ASP.NET, C#, Entity Framework, ADO.NET, and MVC.
Build and consume RESTful APIs and integrate enterprise applications.
Utilize GitHub Copilot, VS Code AI Extensions, AWS Bedrock, and Anthropic Claude to accelerate software development.
Develop and optimize T-SQL queries, stored procedures, and database interactions.
Perform unit testing, troubleshooting, debugging, and application support.
Apply secure coding practices following OWASP Top 10 standards.
Participate in all phases of the Software Development Life Cycle (SDLC).
Prepare technical documentation and collaborate with cross-functional teams using Azure DevOps or TFS.
Flexible work from home options available.