App Developer

Zachary Piper, LLC

King of Prussia (PA)

On-site

USD 150,000 - 195,000

Full time

6 days ago
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Benefits offered by this job

PTO
Paid Holidays
Medical
Dental
Vision
401K
Tuition Reimbursement

Job summary

Zachary Piper Solutions in King of Prussia, PA seeks an App Developer (multiple levels) to support a national aerospace and global security program. The role is on-site with strong growth potential and a team of accomplished software developers.

Responsibilities include applying development standards, delivering robust software, correcting issues, and documenting progress. A TS clearance and 3+ years of software experience are required.

Qualifications

  • Active TS (Top Secret) OR TS/SCI Clearance REQUIRED
  • 3+ years of relevant software engineering experience
  • 2+ years of front-end or full stack development
  • 2+ years of experience with Java, React, Angular, and SpringBoot highly PREFERRED
  • DevSecOps, Angular, or Kubernetes experience is a plus
  • Geospatial data/engineering experience a plus
  • Experience with XML and COTS/FOSS integration
  • Ability to work across Linux/Windows environments
  • Bachelors' degree

Responsibilities

  • Apply standards, processes and tools throughout the development life cycle.
  • Develop software using business/mission application knowledge and user input.
  • Correct program errors and document development to resolve system requirements.
  • Ensure software standards are defined and met.

Skills

XML hands-on
Clearance: TS/SCI or TS

Education

Bachelor's degree

Tools

Java
React
Angular
SpringBoot
Kubernetes
DevSecOps
XML
Git
Docker
OpenShift
REST API

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*

  • 3 + years of relevant experience in software engineering
  • 2+ years of experience in either front-end or full stack development
  • 2 + years of experience with Java, React, Angular, and SpringBoot highly PREFERRED
  • Experience with DevSecOps, Angular, or Kubernetes is a plus!
  • Experience with geospatial data/engineering 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-$195,0 00 depending on experience
  • Full Benefits Package: PTO, Paid Holidays, Medical, Dental, Vision, 401K, Tuition Reimbursement

This job was posted on October 20, 2026 and will be open for 30 days after posting date.

#LI-AK #LI-ONSITE

Keywords: Front End Developer, Frontend Developer, UI Developer, Web Developer, Web Application Developer, Software Developer, Software Engineer, Application Developer, Application Engineer, Application Software Developer, App Developer, AppDev, Full Stack Developer, Full-Stack Engineer, Software Programmer, Application Programmer, Programmer Analyst, Software Development, Application Development, Angular, AngularJS, Java, Java EE, J2EE, Jakarta EE, Java Developer, Java Engineer, Java Software Engineer, Spring, Spring Boot, Spring MVC, Spring Framework, DevSecOps, DevOps, CI/CD, Jenkins, Git, GitLab, GitHub, Docker, Kubernetes, OpenShift, Front-End, Frontend, Program Development, COTS, Commercial Off-the-Shelf, FOSS, Open Source, Software Integration, Systems Integration, Application Integration, XML, XSLT, XPath, XSD, JSON, REST, RESTful, REST API, API, Microservices, Maven, Gradle, Hibernate, JPA, JDBC, JavaScript, TypeScript, HTML, HTML5, CSS, CSS3, UI, GUI, Web UI, Single Page Application, SPA, Linux, RHEL, Red Hat, Red Hat Enterprise Linux, Unix, Windows, Windows Server, Bash, Shell, SQL, PostgreSQL, Oracle, MySQL, Top Secret, TS, TS/SCI, SCI, Active TS, Active Top Secret, Security Clearance, Cleared, Cleared Software Engineer, Cleared Java Developer, Intelligence Community, IC, DoD, Federal, NGA, National Geospatial, Top Secret, Cleared, Geospatial, Airforce, d, TS, Geospatial

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