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Senior Java Developer (Remote):
Marathon TS, Inc.
- 🇺🇸 United States
- Remote
- Senior
- 17 hours ago
- Java
- Spring Boot
- DevSecOps
- Jenkins
- GitLab CI/CD
- Change Management
- Flyway
- AI
- REST API
- SOAP
- CI/CD
- GitLab
- SAST
- DAST
- Agile
- SQL
- Docker
- Kubernetes
17 hours ago
Position Summary
We are seeking a Senior Java Developer to support web-based application development in a US Government Client environment. The resource will provide hands-on engineering across the full SDLC, applying modern Spring Boot development practices and DevSecOps delivery using Jenkins/GitLab CI/CD, with database change management via Flyway. The role also includes evaluating and integrating AI-enabled capabilities where appropriate and compliant.
Key Responsibilities
• Design, develop, test, and maintain Java web applications using Spring Boot and related frameworks.
• Develop and integrate RESTful APIs (and SOAP where needed), ensuring secure and reliable service communication.
• Apply DevSecOps practices throughout delivery:
• Build/maintain CI/CD pipelines using Jenkins and/or GitLab
• Implement automated testing (unit/integration) and quality gates
• Integrate security checks (SAST/DAST/dependency scanning) into pipelines
• Manage database versioning and deployments using Flyway (migrations, baseline strategy, rollback approach where applicable).
• Troubleshoot and resolve production issues; perform root-cause analysis; optimize performance and reliability.
• Support integration efforts (including COTS integration) and coordinate with security, operations, and architecture teams.
• Participate in Agile ceremonies, peer reviews, and technical documentation; uphold coding standards and best practices.
• Identify opportunities to incorporate AI (e.g., intelligent automation, summarization/classification, anomaly detection) while meeting US Government Client/security governance requirements.
Required Qualifications
• 15+ years of development hands on experience
• Senior-level, hands-on experience in Java development in a web-based environment.
• Strong experience with:
• Spring Boot (building services, configuration, profiles, security patterns)
• REST APIs and service integration
• Relational databases and SQL
• Flyway for database migration/version control
• Jenkins and/or GitLab for CI/CD
• Proven DevSecOps experience, including automated build/test/deploy and secure coding practices.
• Experience supporting applications in production, including incident support and operational stability.
• Strong written/verbal communication skills and ability to work independently on complex initiatives.
Preferred Qualifications
• Experience with AI-enabled application features or integrating AI services/APIs in an enterprise setting.
• Experience with COTS integration and enterprise modernization efforts.
• Experience in regulated environments (government/federal) with security/compliance constraints.
• Familiarity with containerization and cloud-ready deployment patterns (Docker/Kubernetes) is a plus.
Additional Required Skills/Experience:
o A degree from an accredited College/University in the applicable field of services is required. If the individual's degree is not in the applicable field then four additional years of related experience is required.
o Typically performs all functional duties independently.
o Note: Special credentials (licenses and/or certifications) may be required at the Task Order level on a case-specific basis. "
Senior Java Developer (Remote): · Marathon TS, Inc.