This mid-level Web Application and API Services Developer role involves revitalizing a critical customer-facing application from the ground up within a Scrum team. The position focuses on designing, developing, and debugging complex Java and Spring-based solutions while integrating microservices and big data technologies. Key responsibilities include conducting root cause analysis, mentoring junior developers, reviewing code, and defining technical standards to ensure mission success. The role is appealing due to the opportunity to select modern architectures and tools, offering significant professional growth and the chance to leave a lasting impact on a vital system. Candidates will work in a collaborative environment with comprehensive benefits, including extensive paid time off, retirement contributions, and continuous education support. The position requires an active TS/SCI clearance and is based on-site.