Software Engineer (C#, VB.NET)

Company

Job Details

Overview:

We are seeking a Software Engineer to support a customer-focused mission maintaining and modernizing a pair of internal applications. The role involves routine software maintenance, bug fixes, and transitioning legacy software from VB.NET to C#. The initial project phase will include close collaboration with the customer to gather and refine requirements prior to carrying out technical implementation. A successful candidate will have experience with the Microsoft technology stack, AWS services, and related software.

Responsibilities:

• Provide ongoing maintenance and break-fix support for a legacy VB.NET application
• Collaborate with customers to define and refine software requirements
• Lead the re-engineering and migration of an application from VB.NET to C#
• Implement software changes in a methodical and well-documented manner
• Support basic UI updates, minor feature enhancements, and reliability improvements
• Participate in technical meetings and requirement-gathering sessions
• Follow existing development and configuration management workflows (e.g., Git/GitLab, Jira)

Basic Qualifications:

• Active Top Secret clearance (TS/SCI preferred, must be eligible to obtain CI Poly after starting)
• Experience with Microsoft .NET ecosystem tools such as VB .NET , C# , C++, Visual Studio, WPF.
• Familiarity with Visual Studio and common debugging tools
• Firm understanding of object-oriented design, data structures and design patterns
• Experience working with large code bases
• Database experience such as PostgreSQL
• Web Application and application workflow experience
• Ability to write clear, maintainable, and testable code
• Solid understanding of software maintenance, version control, and agile practices
• Experience collaborating with end users or stakeholders to collect requirements

Preferred Qualifications:

• GIS experience and knowledge of roaster and imagery
• Experience converting legacy applications to newer frameworks or languages
• Familiarity with AWS environments (e.g., EC2, S3)
• Prior work in government or defense contracting environments
• Experience working with relational databases like PostgreSQL
• Security+ or equivalent DOD 8570 certification