Java Developer — Secret-Cleared, Multithreaded Backend

Apex Systems; Manassas (VA); Hybrid; USD 83,000 - 138,000; Full time

Job summary

Everforth Apex is seeking a Java Developer to support a mid-to-front-end stack, with DoD Secret clearance as a condition of employment. The role emphasizes Linux/Unix development, Java multithreading, and integration testing in a contract setting at the Manassas, VA location.

Candidates should have a B.S. in CS or related STEM field and 2+ years of relevant experience, with familiarity in UI frameworks, reactive programming, and containerization (Docker/Kubernetes).

Qualifications

• B.S. in CS or related STEM discipline.
• ≥ 2 years of relevant software development experience.
• Strong Linux/Unix development, integration, and troubleshooting background.
• Proven Java development experience with multithreading.
• Ability to integrate, test, troubleshoot, and refactor software systems.

Skills

Java development

Multithreading

Linux/Unix

Refactoring

Integration testing

UI frameworks

Reactive programming

Docker

Kubernetes

Bash scripting

Education

B.S. in Computer Science or related STEM

Tools

MongoDB

PostgreSQL

Job description

Everforth Apex is seeking a Java Developer to support a mid-to-front-end stack, with DoD Secret clearance as a condition of employment. The role emphasizes Linux/Unix development, Java multithreading, and integration testing in a contract setting at the Manassas, VA location.

Candidates should have a B.S. in CS or related STEM field and 2+ years of relevant experience, with familiarity in UI frameworks, reactive programming, and containerization (Docker/Kubernetes).