App Developer - Top Secret Clearance Required

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

Benefits offered by this job

Paid time off

Medical, dental, vision insurance

401K with company match

Tuition reimbursement

Job summary

Zachary Piper Solutions is seeking an App Developer to support a national aerospace and global security program. This on-site role in King of Prussia, PA offers extensive long-term growth and an opportunity to join a team of accomplished software developers.

The position requires active TS/SCI clearance, 2+ years in Java and front-end or fullstack development, and familiarity with DevSecOps, Angular, or Kubernetes.

Qualifications

• Active TS/SCI (or TS) clearance is required.
• 2+ years of Java experience.
• 2+ years front-end or fullstack development.
• Experience with DevSecOps, Angular, or Kubernetes is a plus.
• Able to work with XML.
• Experience with COTS/FOSS integration and support.
• Proficient across Linux and Windows environments.
• Bachelor's degree is required.

Responsibilities

• Apply standards, processes, procedures, and tools across the development life cycle.
• Leverage hardware/software knowledge and user information to develop software for mission applications.
• Identify and fix program errors; document development and analyze system capabilities.
• Ensure software standards are defined and met.

Skills

Java

Front-end/Fullstack

DevSecOps

Angular

Kubernetes

XML

COTS/FOSS integration

Linux/Windows

Education

Bachelor's degree

Tools

Git

Docker

Kubernetes

OpenShift

Jenkins

GitLab

GitHub

CI/CD

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! This 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 October 2, 2026 and will be open for 30 days after posting date.

#LI-AK #LI-ONSITE

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