Senior Software Engineer (.NET​/VB.NET

JOB DESCRIPTION - hybrid - direct placement - Neumo

• Design, develop, and maintain core application logic using
• Build and maintain Win Forms desktop applications, including the SST client
• Design and optimize SQL Server queries and data access patterns for high-performance, transactional systems with a strong emphasis on query efficiency, indexing strategies, and minimizing latency
• Build and support web applications using C# / ASP.NET, including Web Forms, Web API, .NET MVC, and RESTful APIs
• Contribute to the migration of existing kiosk applications to Microsoft Azure Cloud
• Troubleshoot and resolve complex production issues across database, backend, and UI layers
• Work within and improve complex legacy systems while maintaining production stability
• Collaborate with developers, the Software Development Manager, the product team, and technical operations to deliver high-quality releases
• Participate in code reviews and contribute to improving development standards and practices
• Support automated testing and CI/CD pipeline improvements

• 5-8 years of experience with  and C#
• Experience with Web Forms, Windows Services, and Win Forms application development
• Experience working on systems where performance and reliability are critical to business operations
• Experience with Microsoft Azure Cloud architecture and development
• Strong experience with SQL Server, including query design and optimization, performance tuning, and efficient data access patterns

• Experience leveraging modern AI-assisted development tools (e.g., Claude Code, Cursor, Microsoft Copilot)
• Experience with UWP
• Experience modernizing legacy systems or working in hybrid environments
• Experience with automated testing frameworks (Selenium, Playwright)
• Familiarity with CI/CD pipelines
• Experience working in regulated or compliance-driven environments (e.g., PCI)
• Experience with devices like printers and credit card readers

$115,000 to $130,000 per year annual salary.

Exact compensation may vary based on several factors, including skills, experience, and education.

Benefit packages for this role may include healthcare insurance offerings and paid leave as provided by applicable law.