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# Sr .NET Developer

- **Company:** Insight Global
- **Location:** Phoenix, AZ, United States
- **Experience:** Expert
- **Salary:** $81,120.0 - $101,920.0
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Agile Methodology, Bootstrap (Software), C Sharp (Programming Language), Cyber Security, Continuous Integration, DevOps, Electronic Data Interchange (EDI), UN Electronic Data Interchange for Administration Commerce and Transport, Entity Framework, Github, Microsoft SQL Server, Performance Tuning, Scrum Methodology, Systems Development Life Cycle, SQL Server Integration Services, Transact-SQL, TypeScript, Enterprise Software Applications, .NET Core, ReactJS, Fast Healthcare Interoperability Resources, Health Level Seven International, Front End Software Development, React Redux, Restful APIs, Code Restructuring
- **Published:** August 5, 2026
- **Apply:** https://jobs.insightglobal.com/jobs/find_a_job/arizona/phoenix/sr-net-developer/job-555978/

## About the Role

10+ years of professional C# / .NET development experience (team prefers very senior profiles, ideally 10+ years mindset)
Experience with EDI, HL7, and FHIR
Strong SQL Server expertise, including advanced T-SQL optimization, performance tuning, and refactoring
Experience with ASP.NET 4.0+ and .NET Core
Advanced Entity Framework experience
Strong experience building and consuming RESTful APIs
React experience with hooks and state management (Redux or Context API)
Proficiency with JavaScript and TypeScript
Ability to write User Stories and work within Agile teams
Experience with full SDLC development
Must pass HireRight background check and drug screening
Resume must clearly list current Phoenix, AZ location

Nice to Have Skills & Experience

Healthcare systems or healthcare development experience (HUGE plus)
Cybersecurity experience or security-focused development exposure
EDI Transactions experience
DevOps / CI-CD experience
GitHub version control experience
Agile/Scrum environment experience
Bootstrap front-end experience
Advanced SSIS knowledge
Performance tuning (concurrency & latency optimization)

## Description

Insight Global is seeking multiple Senior .NET Developers and a Lead for a large public-sector client in Phoenix, AZ. This role will support the design, enhancement, and optimization of critical enterprise applications used across the organization.
The ideal candidate is a hands-on developer with deep expertise in C#, .NET Core, SQL Server, and modern front-end technologies like React. This team is focused on modernization efforts, performance improvements, and building scalable, high-impact systems.
This is part of a broader hiring initiative that will also include a Lead-level resource and additional mainframe developers to support long-term system transformation efforts. Strong candidates will be highly autonomous, capable of owning workstreams, and comfortable working across the full stack.
This is a long-term hybrid opportunity offering stability, meaningful work, and the chance to contribute to high-impact systems serving the public sector.


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