Senior .NET Developer (C#) , Phoenix, AZ (Hybrid)

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) Interfac...