.Net Developer

Senior Full-Stack .NET Modernization Developer Atlanta, GA

Location: Atlanta, GA Local candidates only

Work Model: Hybrid Tuesday Thursday onsite

Contract: Long-Term

We are seeking a Senior Full-Stack .NET Modernization Developer to support a major modernization initiative for a mission-critical statewide platform serving child care licensing, provider management, and program eligibility .

This is a hands-on engineering role focused on migrating legacy ASP.NET applications to modern .NET 8+ , building modern APIs, integrating Azure cloud services , and developing React-based user experiences .

What You ll Do

• Lead modernization of legacy ASP.NET applications to .NET 6/7/8/10
• Design and develop scalable C#, ASP.NET MVC and Web API solutions
• Build and maintain RESTful APIs and third-party integrations
• Develop cloud-native solutions using Azure App Services and Azure Functions
• Design, migrate and optimize SQL Server databases, T-SQL and stored procedures
• Build and maintain CI/CD pipelines using Azure DevOps
• Develop React components within an existing application
• Work with SSRS and Power BI reporting
• Participate in Azure AI, Copilot and chatbot integration initiatives
• Perform production troubleshooting and root-cause analysis
• Participate in architecture reviews, code reviews and Agile ceremonies
• Maintain technical documentation, deployment procedures and runbooks

Required Skills

• 8+ years of professional .NET development experience
• Strong C#, ASP.NET MVC and Web API
• Hands-on experience modernizing legacy ASP.NET applications to .NET 6/7/8/10
• Strong SQL Server, T-SQL, stored procedures and performance tuning
• Hands-on Azure App Services and Azure Functions
• Experience with Azure DevOps and CI/CD
• Strong REST API development and integration experience
• React development experience
• 5+ years working in Agile/Scrum or Kanban environments
• Ability to independently troubleshoot and resolve production issues

Preferred Skills

• .NET 10
• React component development
• Power BI / SSRS
• Government, healthcare or other regulated environments
• ADA/WCAG 2.1 AA
• Azure Agentic AI / Copilot
• Boomi or MuleSoft
• Experience working with PII and security controls

Education

Bachelor's degree in Computer Science, Information Technology or related field, or equivalent professional experience .

Important Location Requirement

Candidates must be physically located in Georgia and able to work onsite at DECAL headquarters in Atlanta Tuesday Thursday , along with required in-person meetings and project milestones.

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