Op5, Inc. is a technology and logistics solutions company based in Calhoun, Georgia, specializing in custom-built software for operational efficiency, e-commerce management, and business automation. With over two decades of experience developing and maintaining mission-critical applications, Op5 delivers powerful, scalable systems that streamline processes for clients across multiple industries. Our in-house development team leverages the full Microsoft technology stack - from ASP.NET and SQL Server to Azure and AI integrations - to create innovative, reliable solutions that drive real business results. We are seeking a motivated Full-Stack .NET Developer to join our in-house development team in Calhoun, Georgia. This position is responsible for maintaining and enhancing a suite of over twenty custom business applications built on the Microsoft stack. You'll work closely with our IT Director on projects that include upgrading legacy ASP.NET applications to newer .NET versions and implementing our company's AI integration roadmap. This is a full-time, on-site position - all work is performed from our Calhoun, GA office. It's an excellent opportunity for a developer who is technically capable and eager to grow, but open to learning established processes and best practices within a cohesive Microsoft environment.