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# Java Software Engineer

- **Company:** Eliassen Group
- **Location:** Gaithersburg, MD, United States
- **Experience:** Expert
- **Contract:** Temporary contract
- **Skills:** Java (Programming Language), Software Applications, Systems Engineering, Bash Shell, C++ (Programming Language), Code Review, Computer Engineering, Software Debugging, Linux, Programming Tools, Graphical User Interface, Vim (Text Editor), Linux System Administration, Microsoft Visual Studio, Object-Oriented Software Development, Software Maintenance, Systems Development Life Cycle, Qt (Software), Software Engineering, Systems Integration, Software Troubleshooting, Git, Build Management, Information Technology, C++14, Software Version Control
- **Published:** August 10, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9003688/java-software-engineer

## About the Role

Due to federal security requirements, applicants must be U.S. Citizens and able to successfully obtain and maintain a Public Trust clearance., * 3+ years of software development experience (Senior level: 5+ years preferred).

 * Strong experience with Java and/or modern C++ (C++17 or newer).
 * Experience developing software in Linux environments.
 * Experience with the Qt Framework for GUI development.
 * Experience using Git for source control.
 * Understanding of object-oriented design and software engineering principles.
 * Experience across the full Software Development Lifecycle (SDLC).
 * Strong debugging, troubleshooting, and analytical skills.
 * Excellent verbal and written communication skills., * Experience with Bash scripting.
 * Familiarity with Visual Studio Code, vi/vim, or similar development tools.
 * Experience with software integration and automated build environments.
 * Exposure to AI-assisted development tools.
 * Experience supporting federal or aviation-related software projects.

Education

 * Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or a related technical discipline.

## Description

Our client is seeking Mid-Level and Senior Software Engineers with experience in Java, C++, and Qt to support a long-term federal aviation modernization program. Engineers will design, develop, test, and integrate mission-critical software applications in a Linux environment while collaborating with cross-functional engineering teams throughout the software development lifecycle., * Design, develop, test, and integrate Java and C++ applications in a Linux environment.

 * Develop graphical user interfaces using the Qt Framework.
 * Participate throughout the software development lifecycle, including requirements analysis, design, coding, testing, integration, and deployment.
 * Collaborate with software engineers using Git-based version control and participate in code reviews.
 * Troubleshoot software defects and performance issues while supporting system integration activities.
 * Develop and maintain build scripts and automation supporting development and CI workflows.
 * Work closely with systems engineers, software developers, and test teams to deliver high-quality software.
 * Produce technical documentation, interface documentation, and design artifacts.
 * Support software maintenance, enhancements, and modernization initiatives.


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