526 Java Software Developer jobs in Gainesville,VA

GovCIO LLC

Fairfax, VA 22031

Bachelor's degree in Computer Science, Engineering, or related field with 12+ years of experience with large integrated projects and 5+ years of professional experience in Java development, preferably in federal or defense contracting environments. (or commensurate experience).
Active Secret clearance with the ability to obtain and hold DEA suitability.
Strong knowledge of Java SE/EE, Spring Boot, and RESTful services.
Familiarity with cross-domain solution architectures, data labeling, and secure data transfer protocols.
Experience working in secure environments,
Understanding of FISMA, NIST, or RMF compliance.
Proficiency with build tools (Maven/Gradle).
Version control (Git).
CI/CD tools (Jenkins, GitLab CI).
Exposure to containerization technologies (Docker, Kubernetes).
Cloud platforms (AWS GovCloud, Azure Government).
Understanding of secure coding practices and experience with static/dynamic code analysis tools.

Vantor

Reston, VA 20190

To be eligible for this position, you mustbe a U.S. Citizen.
This position requires an active U.S. Government Security Clearance at the TS/SCI level with CI polygraph.
Export Control/ITAR:_ Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).
Strong proficiency in Python
Experience building backend systems, APIs, or distributed services in production environments
PostgreSQL and Elasticsearch proficiency
Familiarity with AWS, especially S3, RDS, and other data centric services
Current/active TS/SCI with a current CI polygraph or be willing and able to obtain a CI polygraph.
Bachelor's degree in a related field, e.g. Computer Science, Systems Engineering or equivalent experience
Understanding of software engineering fundamentals including testing, version control, CI/CD, and system design
Tenacious troubleshooting, problem solving and error fixing mentality
Strong communication and collaboration skills, ability to work, collaborate and thrive on a small technical team.
10\\+ years of professional software engineering experience, with strong backend development skills

GovCIO LLC

Fairfax, VA 22031

Bachelor's degree in Computer Science, Engineering, or related field (or equivalent experience).
Active secret clearance
US Citizen
12+ years of IT experience with large integrated projects
5+ years of professional experience in Java development, preferably in federal or defense contracting environments.
Strong knowledge of Java SE/EE, Spring Boot, and RESTful services.
Familiarity with cross-domain solution architectures, data labeling, and secure data transfer protocols.
Experience working in secure environments, preferably within the DOJ, and understanding of FISMA, NIST, or RMF compliance.
Proficiency with build tools (Maven/Gradle), version control (Git), and CI/CD tools (Jenkins, GitLab CI).
Exposure to containerization technologies (Docker, Kubernetes) and cloud platforms (AWS GovCloud, Azure Government).
Understanding of secure coding practices and experience with static/dynamic code analysis tools.
Strong problem-solving skills and ability to work independently or within a cross-functional Agile team.

Lockheed Martin

Fairfax, VA 22033

ManTech

Chantilly, VA 20151

Oak Grove Technologies Llc

Fort Belvoir, VA 22060

U.S. Citizenship and an active Top Secret clearance with SCI eligibility are required
Bachelor's degree in a relevant field
10+ years combined education/experience in software development, systems engineering, offensive security or cyber operations
3+ years of experience with C/C++/C# software development, including expertise in red team / offensive cyber operations capability development for Windows
Development and use of Command-and-Control (C2) frameworks/capabilities, especially Cobalt Strike
Ability to pass the Advanced Cyber Red Team Senior Developer Aptitude Test (SDAT) prior to onboarding
Willingness and ability to travel 15% (CONUS/OCONUS)