Java Developer

### Join ManTech as a Java Developer **Location:** Fully Remote **Requisition #:** R67541 **Security Clearance Required:** Secret **Time Type:** Full time 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. Propel your career forward and be part of something extraordinary. #### Responsibilities: - 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. - Experience with Linux and Java Web Containers (e.g., Jboss, Tomcat). - Proficiency in Spring Boot, Quarkus, Micronaut, or Eclipse MicroProfile. - Knowledge of JPA/Hibernate, JDBC, and SQL (Oracle, PostgreSQL or similar). - Familiarity with 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. - Proficient in scripting languages, including Python, JavaScript, and Bash. - Experienced with container technologies such as Docker, Kubernetes, and Helm. **Note:** Must have a current/active secret security clearance.