Senior .NET Developer (C#) , Phoenix, AZ (Hybrid)
Confirmed on the employer's own hiring board on Nov 2, 2026. First seen by Alion on Nov 1, 2026.
Senior .NET Developer (C#) , Phoenix, AZ (Hybrid)
Location:Phoenix, AZ 85007 , Hybrid (local Phoenix only)
Type:Contract (18 months) |Start:Tentative, pending interviews/onboarding
About the Role
SunSoft Online is seeking a Senior .NET Developer for a contract opportunity with an Arizona state agency. You'll design, build, test, and debug web applications for business systems, working full life-cycle development with strong SQL and modern .NET/React front-end skills. This is a hybrid role: onsite as needed during the first 3 months for training/ramp-up, then typically once a week or less.
Key Responsibilities
- Design, code, test, debug, and document web applications using full life-cycle development
- Write and optimize complex SQL (T-SQL tuning, refactoring, performance)
- Conduct unit testing and prepare test data to meet specifications
- Analyze automation requests; create work plans, schedules, and time/cost estimates
- Produce technical documents (technical specs, design docs)
- Interface with users for enhancements, maintenance, and problem resolution
- Prepare project status reports and attend technical meetings
Required
- 5+ years of .NET / C# experience
- SQL expert (T-SQL optimization, refactoring, performance tuning)
- Experience writing user stories
Preferred
- EDI transactions, DevOps, GitHub, Agile, Bootstrap
Key Skills
Expert C#/.NET, Visual Studio, ASP.NET 4.0+, .NET Core, Entity Framework, Web Services, Expert SQL Server / T-SQL, SSIS, JavaScript, Bootstrap, React (hooks, Redux/Context API), TypeScript, RESTful API integration
Additional Details
- Local to Phoenix only (current location must be on resume)
- Available for an in-person interview within one week
- Able to start within two weeks of an offer
- HireRight background check and drug screening
To apply, submit your resume with your current city and state listed.