Full Stack .Net Developer

Brilliant Infotech Inc.; Atlanta (GA); On-site; USD 110,000 - 150,000; Full time

Job summary

Brilliant Infotech Inc. is seeking an experienced .NET developer in the Atlanta area to modernize legacy ASP.NET applications to .NET 6/7/8/10, build and maintain RESTful APIs, and deliver production-ready software.

You will work in Agile environments, debug production issues independently, and collaborate with stakeholders to ensure data security and compliance, including government and healthcare domains as applicable.

Qualifications

• 8+ years of professional .NET development experience with C#, ASP.NET MVC, Web API.
• Experience migrating legacy ASP.NET apps to modern .NET (6/7/8/10), not just exposure.
• Production SQL Server experience including stored procedures, T-SQL tuning, and migrations.
• 5+ years delivering software in Agile environments using ADO or GitHub.

Responsibilities

• Migrate legacy ASP.NET applications to modern .NET versions (6/7/8/10) in production environments.
• Design and maintain RESTful APIs that external systems depend on.
• Debug production issues independently without hand-holding from a team lead.

Skills

C#

ASP.NET MVC

Web API

Agile (Scrum/Kanban)

Education

Bachelor's degree in Computer Science, Information Technology, or related field

Tools

SQL Server

RESTful APIs

Job description

• 8+ years of professional .NET development experience — C#, ASP.NET MVC, Web API
• Demonstrated, hands‑on experience migrating legacy ASP.NET applications to modern .NET (6, 7, 8 or 10) — not just exposure
• Production SQL Server experience: stored procedures, T-SQL tuning, schema migrations, data cleanup
• 5+ years delivering software in Agile (Scrum or Kanban) environments using ADO or GitHub

WHAT HANDS-ON MEANS HERE

• You have modernized a real application — not a proof of concept — from legacy ASP.NET to .NET 6/7/8/10
• You have designed and maintained RESTful APIs that external systems depend on
• You have debugged production issues independently, without a team lead walking you through it

Preferred Qualifications

These will make you effective faster. They are not dealbreakers, but they distinguish competitive

candidates.

• React experience — specifically building components within an existing application, not greenfield
• Exposer to .NET 10
• Power BI or SSRS reporting development
• Experience with government, healthcare, or public-sector systems — you understand compliance, auditability, and data sensitivity
• Familiarity with ADA/WCAG 2.1 AA accessibility standards
• Exposure to Azure Agentic AI services or integration of AI-driven features in production applications
• Experience with middleware platforms such as Boomi or MuleSoft
• Background working with PII data and the security protocols that protect it

Education

• Bachelor's degree in Computer Science, Information Technology, or a related field — or equivalent work experience that demonstrates the same depth