Senior Java Software Engineer
Concept Solutions, LLC (CS) is seeking an experienced Senior Java Software Engineer to support a mission-critical application modernization program for a Department of War (DoW) customer.
This initiative focuses on creating a unified platform that provides seamless access across multiple production applications through a single sign-on experience, a shared user interface, and a standardized approach to application integration.
The selected candidate will play a key role in sustaining existing applications while implementing enhancements that enable their integration into the modernized platform. This position requires strong enterprise Java development expertise, production application support experience, and the ability to work within secure, cloud-based environments.
Application Sustainment and Engineering
- Maintain and support a production application built with Java Spring Boot, React, and PostgreSQL, containerized using AWS ECS/Fargate.
- Manage application defects, security patches, and production releases while maintaining system reliability.
- Support API Gateway synchronization with a Pega-based status tracking system.
- Implement application-side integrations with the modernization platform, including identity-provider trust, deep linking, redeem endpoints, and feed access.
- Maintain operational runbooks and application sustainment baselines.
- Participate in the Severity 1 on-call rotation to address critical production incidents.
- Identify and remediate security findings to maintain compliance and operational readiness.