DOT NET Developer

SR International Incorporation

Senior .NET Developer for State of Arizona, designing and maintaining web applications. Collaborating on Agile teams while implementing scalable solutions in a hybrid workspace.

Posted 7/7/2026contractPhoenix • Arizona • 🇺🇸 United StatesMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

ASP.NETEntity FrameworkJavaScript.NETReactReduxSDLCSQLSSISTypeScript

About the role

Key responsibilities & impact

Design, develop, test, debug, and maintain enterprise web applications.
Develop scalable solutions using C#, ASP.NET, .NET Core, React, and SQL Server.
Optimize SQL queries and improve application performance.
Create technical specifications and design documentation.
Develop RESTful APIs and integrate web services.
Perform unit testing and maintain application quality.
Work with business users to gather requirements and implement enhancements.
Participate in Agile ceremonies and collaborate with cross-functional teams.

Requirements

What you’ll need

5+ years of experience with C# / .NET Development
Strong experience with ASP.NET & .NET Core
Expert-level SQL Server and T-SQL
Experience writing User Stories
Experience with RESTful APIs and Web Services
Experience with Entity Framework
Strong JavaScript and TypeScript
Experience with ReactJS (Hooks, Redux/Context API)
Experience with SSIS
Unit Testing and Test Data Preparation
Software Design Documentation
Performance tuning, concurrency, and latency optimization
Full Software Development Life Cycle (SDLC)

Benefits

Comp & perks

Flexible work from home options

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

C#ASP.NET.NET CoreSQL ServerT-SQLRESTful API DevelopmentEntity FrameworkJavaScriptTypeScriptUnit Testing

Soft Skills

CollaborationCommunicationRequirements Gathering