Location: Phoenix, AZ (Hybrid – 1600 W. Monroe, Phoenix, AZ 85007)
Job Type: Contract / Staff Augmentation (Full-Time, 40 hrs/week)
Contract Duration: 1+ Year (Projected Start: August 31, 2026)
Schedule: Monday – Friday, 8:00 AM – 5:00 PM
Employer: SunSoftOnline
SunSoftOnline is seeking a high-performing Senior .NET Applications Developer to join our team on a long-term contract engagement in Phoenix, AZ supporting state agency systems.
This role operates on a hybrid schedule and requires a senior engineer who combines deep expertise in C#, .NET, and cloud services with modern AI-assisted engineering skills. You will design, build, and maintain enterprise software while integrating cutting-edge Generative AI features (AWS Bedrock, Anthropic Claude) into application workflows using tools like GitHub Copilot.
Enterprise .NET Development: Architect, code, test, and deploy robust web and enterprise applications using C#, ASP.NET, JavaScript, and REST APIs.
Generative AI Feature Engineering: Programmatically build and integrate enterprise application features utilizing AWS Bedrock and Anthropic Claude.
AI-Assisted Coding: Leverage modern developer tooling (GitHub Copilot, VS Code AI extensions) to accelerate software delivery and code quality.
DevOps & ALM: Manage code repositories, automated builds, and deployment pipelines within Azure DevOps / TFS.
Database & Architecture: Design clean backend services, optimize data access layers, and enforce modern architectural patterns.
Collaborative Delivery: Partner with system architects, project managers, and business analysts to translate complex business logic into high-performing software.
Required Qualifications:
Programming Experience: Minimum of 8+ years of professional software engineering experience, with at least 3+ years dedicated strictly to enterprise application development.
Core Tech Stack: Strong mastery of C#, .NET, ASP.NET, JavaScript, RESTful APIs, and MS Visual Studio.
AI & LLM Integration (1–2 Years): Direct professional experience integrating AI models programmatically (AWS Bedrock, Anthropic Claude) and using AI coding assistants (GitHub Copilot, VS Code AI extensions).
DevOps: Hands-on experience with Azure DevOps and/or Team Foundation Server (TFS).
Productivity Tools: Proficient with MS Office (Word, Excel, Outlook) and Google Suite (Gmail, Docs, Sheets, Drive).
Bachelor’s Degree in Computer Science, Software Engineering, or a closely related technical discipline.
Candidates submitting through SunSoftOnline must provide:
Updated Resume (must explicitly state current location in the Phoenix metro area)
Right to Represent (R2R)
Confirmation of Hybrid Work Capability (1600 W. Monroe, Phoenix, AZ)
Security & Onboarding: Candidates must pass standard security background checks prior to start.
Skills Required
- 8+ years professional software engineering experience
- 3+ years dedicated to enterprise application development
- Strong mastery of C#, .NET, ASP.NET, JavaScript, RESTful APIs, and MS Visual Studio
- 1-2 years integrating AI/LLM programmatically (AWS Bedrock, Anthropic Claude) and using AI coding assistants (GitHub Copilot, VS Code AI extensions)
- Hands-on experience with Azure DevOps and/or Team Foundation Server (TFS)
- Proficiency with MS Office (Word, Excel, Outlook) and Google Suite (Gmail, Docs, Sheets, Drive)
- Updated resume stating current location in the Phoenix metro area
- Right to Represent (R2R) submission
- Confirmation of hybrid work capability at 1600 W. Monroe, Phoenix, AZ
- Must pass standard security background checks prior to start
- Bachelor's degree in Computer Science, Software Engineering, or related (preferred)
What We Do
SunSoft Online is a US-operated IT consulting and technology services company that has been delivering solutions since 2006. The firm specializes in IT consulting, project delivery, and workforce support, focusing on placing highly qualified IT professionals—such as security engineers and product managers—with Arizona state agencies, government clients, and enterprise organizations across the United States.
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