Java Developer

General information

Requisition # R67541 Locations USA-Remote Work Posting Date 05/06/2026 Security Clearance Required Secret Remote Type Fully Remote Time Type Full time

Description & Requirements

Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we’ve been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Java Developer to join our team. This is a remote position. 

Responsibilities include but are not limited to:

• Design and implement scalable, secure microservices using Java and frameworks such as Spring Boot, Quarkus, Micronaut, or MicroProfile. Implement unit and integration tests using modern testing frameworks (JUnit, Mockito, Testcontainers, etc.).
• Develop and maintain RESTful APIs and backend services in compliance with government performance and security standards.
• Integrate services with Oracle, PostgreSQL or other relational databases.
• Participate in cloud-first solution design, leveraging platforms like AWS GovCloud.
• Contribute to DevSecOps pipelines with CI/CD tools like GitLab.
• Collaborate with DevOps, Security, and Infrastructure teams to ensure compliance with DISA STIG, RMF, and other DoD/DHA security mandates.
• Support system documentation, security accreditation processes, and technical artifacts required for ATOs.

Minimum Qualifications:

• 4+ years of hands-on Java development experience with the following technologies:
  • Experience with Linux and Java Web Containers (e.g., Jboss, Tomcat)
  • Spring Boot, Quarkus, Micronaut, or Eclipse MicroProfile
  • JPA/Hibernate, JDBC, and SQL (Oracle, PostgreSQL or similar)
  • RESTful service design and implementation
  • JSON, Swagger/OpenAPI, and REST standards
• Working knowledge of Git and CI/CD tools like GitLab.
• Ability to interpret technical requirements and deliver scalable solutions.

Preferred Qualifications:

• Bachelor’s degree in computer science, Information Systems, Engineering, or related field.
• Prior experience supporting Department of Defense (DoD), DHA, or other federal healthcare systems.
• Proficiency in diverse operating system environments, including Windows and various Linux distributions (e.g., Alpine, Red Hat, and Ubuntu).
• Proficient in scripting languages, including Python, JavaScript, and Bash.
• Experienced with container technologies such as Docker, Kubernetes, and Helm.

Clearance Requirements:

• Must have a current/active secret security clearance.

Physical Requirements:

• Must be able to be in a stationary position more than 50% of the time
• Constantly operates a computer and other office productivity machinery, such as a computer
• The person in this position frequently communicates with co-workers, management and clients, which may involve delivering presentations and must be able to exchange accurate information in these situations
• The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

The projected compensation range for this position is $94,800.00-$157,200.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH’s benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections. MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at [email protected] and provide your name and contact information.