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# Mid/Senior-Level Front-End Developer

- **Company:** Belay Technologies, Inc
- **Location:** Annapolis Junction, MD, United States
- **Experience:** Experienced
- **Salary:** $168,000.0 - $240,000.0
- **Contract:** Permanent contract
- **Skills:** C (Programming Language), HTML, Java (Programming Language), JavaScript (Programming Language), Amazon Web Services, C++ (Programming Language), Cascading Style Sheets (CSS), CentOS, Google Web Toolkits, Object-Oriented Software Development, Oracle (Applications), Screen Reader, Software Engineering, Primefaces, AngularJS, Atlassian Tools, Front End Software Development
- **Published:** August 20, 2026
- **Apply:** https://www.careerjet.com/jobad/us00ab9b669742824916db6e13f154340c

## About the Role

* TS/SCI Clearance with polygraph
 * Bachelor's degree from an accredited college or university. Four (4) years of additional SWE or related experience may be substituted for a Bachelor's degree. Master's degree can be substituted for two (2) years' experience.
 * Shall have at least eight (8) years' experience as a Software Engineer in software development/engineering, including requirements analysis, software development, installation, integration, evaluation, enhancement, maintenance, testing, or problem diagnosis/resolution. The individual must be able to communicate directions and provide guidance to junior programmers/analysts, as required.
 * Shall have at least six (6) years' experience developing software developing software with high level languages such as Java, C, C++, JavaScript.
 * Shall have at least three (3) years' experience developing software for Microsoft Windows or UNIX/Linux/Centos family of operating systems.
 * Shall have experience on the design and development of at least one Object Oriented system.

Candidates are required to have the following skills:

 * Java 8+
 * Understanding, maintaining, and troubleshooting interfaces between multiple applications
 * GWT
 * Angular
 * Primefaces
 * Quarkus
 * Advanced understanding of HTML, CSS, JavaScript

Candidates are desired to have the following skills:

 * Proficiency with screen readers
 * 508/WAI-ARIA knowledge
 * Oracle
 * Amazon Web Services (AWS)
 * Agency reporting and dissemination tools
 * Agency classification policies
 * Working in an agile environment using JIRA and Confluence, MANTECH seeks a motivated, career and customer-oriented Junior Developer to join our team in Annapolis Junction, MD. The Junior Developer is part of a dynamic development team, f…
 + 2 months ago



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