Senior .NET/C# Developer

Interactive Process Technology LLC; Fort Belvoir (VA); On-site; USD 90,000 - 120,000; Full time

Job summary

Interactive Process Technology LLC is seeking a Senior .NET/C# Developer in Ft. Belvoir, VA. In this role, you will design, develop, and maintain web applications using MS .NET and C#. You will also lead software testing activities and mentor junior team members.

The ideal candidate has a minimum of 8 years of experience in .NET development and an active Security clearance. Join a collaborative team dedicated to solving real-world problems with technology.

Qualifications

• Minimum 8 years of experience supporting .NET development.
• Minimum 5 years of experience supporting the Software Development Life Cycle (SDLC).
• Active Security clearance is required.

Responsibilities

• Design, develop, enhance, and maintain web applications using MS .NET and C#.
• Support all phases of the Software Development Life Cycle (SDLC).
• Develop and maintain SQL Server stored procedures.

Skills

MS .NET

C#

MVC 4+

IIS / Windows Server

SQL Server stored procedures

SDLC

Software testing

Mentorship

Bug tracking tools

Job description

Senior .NET/C# Developer

Ft. Belvoir, VA

At IPT Associates (IPTA), we enjoy solving real-world problems with technology. We work closely with our customers, teammates, experts, and partners to come up with practical solutions that actually make a difference. Whether it's a government or business organization, we focus on understanding the need and building something that works.

Our Team

At IPTA, everything starts with our people. We're big believers that when you invest in your team, great things happen. That's why we encourage learning, growth, and trying new things-even if you don't have all the answers yet.

Our culture is rooted in fierce determination, fearless integrity, and passionate service-but we also like to keep things collaborative, supportive, and down-to-earth.

We're looking for people who:

• Are curious and excited about technology
• Like solving problems and figuring things out
• Can take initiative but also enjoy working with a team
• Want to keep learning, growing, and challenging themselves

If you're someone who's eager to jump in, learn something new, and make an impact-you'll fit right in here.

*This position is contingent upon contract award and the actual job description may vary based on specific contract requirements and organizational needs.*

Responsibilities

• Design, develop, enhance, and maintain web applications using MS .NET, C#, MVC 4+, and IIS on Windows Server
• Support all phases of the Software Development Life Cycle (SDLC) including requirements analysis, design, development, testing, deployment, and maintenance
• Develop and maintain SQL Server stored procedures and database-driven functionality
• Perform software testing activities including: Unit Testing, System Testing, Functional Testing, and User Acceptance Testing (UAT)
• Document and track software defects using enterprise bug tracking systems
• Coordinate defect resolution with developers, testers, and project managers
• Mentor junior team members on development standards, tools, and best practices
• Support configuration management and deployment activities in controlled environments
• Ensure compliance with secure coding standards and mission environment requirements

Requirements

• Minimum 8 years of experience supporting .NET development
  • MS .NET
  • C#
  • MVC 4+
  • IIS / Windows Server web development
• Minimum 5 years of experience supporting the Software Development Life Cycle (SDLC)
• Minimum 5 years of experience supporting software development testing (Unit, System, Functional, or UAT)
• Minimum 5 years of experience developing SQL stored procedures
• Minimum 5 years of experience mentoring junior technical personnel
• Minimum 5 years of experience documenting software defects using bug tracking tools
• Ability to obtain SI, TK, G, HCS, and NATO Secret accesses
• DoD 8140.03 IAT Level II (Intermediate) certification required
• Active Security clearance required

IPTA is an Equal Opportunity Employer. All employment decisions are based on individual merit, including qualifications, experience, performance, and business needs, consistent with applicable federal laws and federal contracting requirements. IPTA provides equal opportunity and utilizes merit-based principles to make employment-related decisions.