Job Description

We are seeking a Senior Full-Stack .NET Developer to strengthen security, support legacy applications, and drive modernization across .NET Framework and .NET 6/8+ services. You will remediate vulnerabilities, enhance APIs and data access, and collaborate on reliable releases.

Responsibilities

Investigate and remediate application security vulnerabilities, including OWASP Top 10 findings
Maintain and modernize legacy .NET Framework applications using ASP.NET MVC and WCF
Develop and enhance modern .NET services and RESTful APIs on .NET 6/8+
Implement secure data access with SQL Server and ADO.NET
Harden applications against SQL injection, XSS, and dependency risks
Collaborate with DevOps to support secure CI/CD pipelines and production releases
Coordinate work to ensure daily availability until 5:00 PM CT

Requirements

3+ years full-stack .NET development