Application Developer

Zachary Piper Solutions is seeking an Application Developer to support a company focused on delivering secure, mission‑critical technology solutions for federal customers. This position is on-site in King of Prussia, PA. The Application Developer will design, develop, troubleshoot, and enhance applications across multiple operating environments to drive high‑impact mission objectives. Join a team supporting national‑level programs where your technical contributions directly strengthen critical operations.

Responsibilities for the Application Developer include:

• Applying standards, processes, procedures, and tools throughout the software development lifecycle

• Developing software using knowledge of hardware, software, mission/business applications, and user requirements

• Identifying and correcting program errors, documenting development efforts, and analyzing system capabilities

• Ensuring software standards are defined, implemented, and maintained

• Supporting dynamic and evolving user needs across complex system environments

Required Qualifications for the Application Developer include:

• Java development experience

• Experience with XML, COTS/FOSS integration, and multi‑OS environments (Linux/Windows)

• Strong troubleshooting and problem‑solving skills

• Ability to learn and adopt new technologies quickly

• Bachelor’s degree in Computer Science, Engineering, or related technical field

• Active Top Secret or TS/SCI clearance

Compensation for the Application Developer includes:

Salary Range: $135,000 – $175,000, depending on experience

Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Tuition Reimbursement, Sick leave as required by law

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Keywords: Application Developer, Java Developer, TS/SCI, Top Secret, Angular, Kubernetes, XML, COTS, FOSS, Linux, Windows, King of Prussia, Software Developer, Mission Systems, Clearance Jobs, Piper Solutions