Application Developer

Piper Companies; Herndon (VA); On-site; USD 130,000 - 150,000; Full time

Job summary

Piper Companies in Herndon, VA is seeking an Application Developer to support a government contractor on a national security initiative. This role requires an active Top Secret clearance and onsite reporting at the client location.

You will develop with Java, XML, and integrate COTS/FOSS, navigate Linux and Windows environments, and apply standards across the development life cycle. Angular and Kubernetes experience is a big plus.

Qualifications

• Bachelor's degree preferred.
• 2–10 years of professional Java development experience.
• Proven ability to work with XML and experience in COTS/FOSS integration and support.
• Ability to troubleshoot and navigate multiple operating system environments including Linux and Windows.
• Experience with Angular and Kubernetes is a huge plus.
• Active Top Secret security clearance required.

Responsibilities

• Apply appropriate standards, processes, procedures, and tools throughout the development life cycle.
• Use knowledge of computer hardware and software, subject matter, and information processing techniques to develop solutions for business/mission applications.
• Correct program errors, compile documentation of program development, and analyze system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls.
• Ensure software standards are defined and met.

Skills

Java development

XML

COTS/FOSS integration

Angular

Kubernetes

Linux

Windows

Top Secret clearance

Education

Bachelor's degree

Job description

Application Developer

Piper Companies is looking for an Application Developer to join a government contractor supporting a national security initiative. This role requires an active Top Secret Clearance and the ability to report onsite to the client location in Herndon, VA.

Responsibilities

• Apply appropriate standards, processes, procedures, and tools throughout the development life cycle.
• Use knowledge of computer hardware and software, subject matter, and information processing techniques to develop solutions for business/mission applications.
• Correct program errors, compile documentation of program development, and analyze system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls.
• Ensure software standards are defined and met.

Qualifications

• Bachelor's degree preferred.
• 2‑10 years of professional Java development experience.
• Proven ability to work with XML and experience in COTS/FOSS integration and support.
• Ability to troubleshoot and navigate multiple operating system environments including Linux and Windows.
• Experience with Angular and Kubernetes is a huge plus.
• Active Top Secret security clearance required.

Compensation

• $130,000 – $150,000+ (based on experience).
• Comprehensive benefit package: Cigna Medical, Cigna Dental, Vision, 401(k) with ADP, PTO, paid holidays, sick leave as required by law.

This job opens for applications on 7/17/26. Applications for this job will be accepted for at least 30 days from the posting date.