Senior Java Software Engineer – Application Enhancements Lead

Concept Solutions, LLC (CS) is seeking an experienced Senior Java Software Engineer – Application Enhancements Lead to join a program team responsible for building, modernizing, and sustaining mission-critical applications for a Department of War (DoW) customer. In this role, you will lead a small team of software engineers delivering enhancements and new capabilities to production Java and React applications. You will provide hands-on technical leadership throughout the software development lifecycle, from solution design and code reviews through testing and production release. This is an opportunity to combine your technical expertise with team leadership while supporting applications critical to federal government operations. Lead a small engineering team responsible for designing, developing, testing, and releasing new capabilities and enhancements to production Java and React applications. Own technical design decisions, establish code review standards, and ensure release readiness for assigned development work. Collaborate with Government product owners to define requirements, prioritize enhancements, and manage the team's development backlog. Deliver reliable software updates to mission-critical production systems using automated testing, feature flags, and rehearsed rollback procedures. Mentor and provide technical guidance to engineers, promoting software engineering best practices and high-quality code. Collaborate with sustainment, security, and platform engineering teams to ensure application reliability, security, and successful deployment.