Senior .NET Applications Developer (AI & Cloud)
Job Description
Job DescriptionSenior .NET Applications Developer (AI & Cloud)
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
Position Overview
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.
Key Responsibilities
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Enterprise .NET Development: Architect, code, test, and deploy robust web and enterprise applications using C#, ASP.NET, JavaScript, and REST APIs.
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Generative AI Feature Engineering: Programmatically build and integrate enterprise application features utilizing AWS Bedrock and Anthropic Claude.
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AI-Assisted Coding: Leverage modern developer tooling (GitHub Copilot, VS Code AI extensions) to accelerate software delivery and code quality.
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DevOps & ALM: Manage code repositories, automated builds, and deployment pipelines within Azure DevOps / TFS.
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Database & Architecture: Design clean backend services, optimize data access layers, and enforce modern architectural patterns.
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Collaborative Delivery: Partner with system architects, project managers, and business analysts to translate complex business logic into high-performing software.
Qualifications & Requirements
Required Qualifications:
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Programming Experience: Minimum of 8+ years of professional software engineering experience, with at least 3+ years dedicated strictly to enterprise application development.
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Core Tech Stack: Strong mastery of C#, .NET, ASP.NET, JavaScript, RESTful APIs, and MS Visual Studio.
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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).
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DevOps: Hands-on experience with Azure DevOps and/or Team Foundation Server (TFS).
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Productivity Tools: Proficient with MS Office (Word, Excel, Outlook) and Google Suite (Gmail, Docs, Sheets, Drive).
Preferred Qualifications:
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Bachelor’s Degree in Computer Science, Software Engineering, or a closely related technical discipline.
Mandatory Submission Requirements
Candidates submitting through SunSoftOnline must provide:
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Updated Resume (must explicitly state current location in the Phoenix metro area)
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Right to Represent (R2R)
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Confirmation of Hybrid Work Capability (1600 W. Monroe, Phoenix, AZ)
Security & Onboarding: Candidates must pass standard security background checks prior to start.