C#.NET Developer

*Updated 21 JAN 2026

C# .NET Developer

Location: Remote-Must reside in Mountain Central or Eastern time zones to support core business hours of 9am-4pm CST and be able to go onsite to Warner Robins GA up to two (2) times per year.

Clearance Requirement: Candidates must be U.S. citizens and possess an ACTIVE Secret security clearance.

Teksouth is a recognized leader in Business Intelligence and Data Analytics solutions for the federal government. With a reputation for excellence and innovation Teksouth is a trusted partner across the defense sector dedicated to being the indispensable architect of intelligent enterprise. We are committed to fundamentally transforming how organizations operate make decisions and innovate across every critical function moving beyond traditional data reporting to deliver strategic predictive and actionable insights.

Position Overview - Teksouth is seeking a C#.NET Developer to develop and enhance government software capabilities. You will take ownership of full-stack development efforts that enhance our clients operational capabilities contributing to the architecture implementation and continuous improvement of scalable secure and efficient software solutions. Your work will directly support decision-making and mission readiness for this Air Force customer.

Responsibilities

• Review the current state of existing systems.
• Generate ideas for system improvements.
• Create detailed technical design documentation and level of effort estimates.
• Development of new systems
• Modernization/Maintenance of existing systems
• Testing newly developed systems and changes to existing systems
• Create developer documentation.
• Work closely with Database Developers Business Analysts Project Managers Quality Assurance teams and Documentation teams.

Qualifications

Clearance & Education

• U.S. citizenship and an Active Secret security clearance required.
• A bachelors degree in computer science engineering or a related field is preferred.

Technical Skills

• 5 years of software development experience with strong C# and .NET Core skills.
• 3 years of hands-on SQL and Microsoft SQL Server experience. (Entity Framework alone does not meet this requirement.)
• Proficiency in Core including services dependency injection and middleware.
• Experience with web application development (client-side and server-side/full-stack).
• Solid understanding of front-end technologies: JavaScript HTML CSS.
• 3 years of experience with modern front-end frameworks-React preferred VueJS acceptable.
• Familiarity with secure coding practices and common web application vulnerabilities.

Additional Experience

• Experience working with legacy systems or poorly documented codebases is a strong plus.
• Strong communication skills and the ability to collaborate effectively across disciplines.

Reasonable Accommodations: Accommodations may be made to enable individuals with disabilities to perform the essential functions of the role.

Company Benefits

Teksouth is an employee-owned company. We offer a competitive salary and benefits package including medical dental and vision insurance a 401(k) match and paid time off.

Teksouth values and engages the diversity of its teammates customers and business partners.

EOE race/color/sex/sexual orientation/gender identity/disability/vet

Required Experience:

IC