Job description

Senior .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 • 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. Qualifications & Requirements 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). Preferred Qualifications: • Bachelor’s Degree in Computer Science, Software Engineering, or a closely related technical discipline. Mandatory Submission Requirements 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.

Requirements

Must-haves

Senior .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.
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.
Qualifications & Requirements
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.

Nice-to-haves

Bachelor’s Degree in Computer Science, Software Engineering, or a closely related technical discipline.
Mandatory Submission Requirements
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.

Application prep

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Keywords to mirror

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