App Developer - TS (Top Secret) Clearance Required

Piper Companies; King of Prussia (PA); On-site; USD 150,000 - 195,000; Full time

Benefits offered by this job

Full Benefits Package

Job summary

Zachary Piper Solutions is seeking an App Developer for a fully on-site role in King of Prussia, PA. The position requires TS/SCI or Top Secret clearance, 2+ years in Java and frontend or fullstack development, and familiarity with DevSecOps, Angular, or Kubernetes. Strong XML and experience with COTS/FOSS integration are expected, with a Bachelor’s degree.

Competitive salary and full benefits offered. Join a team supporting a national leading aerospace and global security program with

Qualifications

• Active TS (Top Secret) OR TS/SCI Clearance REQUIRED
• 2+ years of relevant experience in Java
• 2+ years of experience in either front-end or fullstack development
• Experience with DevSecOps, Angular, or Kubernetes is a plus!
• Ability to work with XML
• Proven experience in COTS/FOSS integration and support
• Ability to troubleshoot and navigate multiple operating system environments including LINUX/Windows
• Bachelors' degree

Responsibilities

• Apply the appropriate standards, processes, procedures, and tools throughout the development life cycle.
• Apply knowledge of computer hardware and software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered from system users to develop software.
• Correct program errors, compiling documentation of program development, and analyzing 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

Frontend or Fullstack

DevSecOps

XML

Angular

Kubernetes

COTS/FOSS integration

Linux/Windows environments

Education

Bachelor's degree

Job description

Zachary Piper Solutions is seeking an App Developer (multiple positions open for a range of experience levels) to support a national leading aerospace and global security program! The role is fully on site in King of Prussia, PA. This position offers extensive opportunity for long term growth and career development, as well as the opportunity to be part of a team of highly accomplished Software Developers.

Responsibilities of the App Developer:

• Apply the appropriate standards, processes, procedures, and tools throughout the development life cycle.
• Apply knowledge of computer hardware and software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered from system users to develop software.
• Correct program errors, compiling documentation of program development, and analyzing system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls.
• Ensure software standards are defined and met.

Required Qualifications of the App Developer:

*Active TS (Top Secret) OR TS/SCI Clearance REQUIRED*

• 2 + years of relevant experience in Java
• 2+ years of experience in either front-end or fullstack development
• Experience with DevSecOps, Angular, or Kubernetes is a plus!
• Ability to work with XML
• Proven experience in COTS/FOSS integration and support
• Ability to troubleshoot and navigate multiple operating system environments including LINUX/Windows
• Bachelors' degree

Compensation for the App Developer:

• Salary Range: $150,000-$195,000 depending on experience
• Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Tuition Reimbursement

This job was posted on September 9, 2026 and will be open for 30 days after posting date.

#LI-AK #LI-Remote #LI-REMOTE

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