Senior Java Integration Engineer (webMethods / Spring Boot)

Job Title Senior Java Integration Engineer (webMethods / Spring Boot) About The C.A.S.E. Engineering Group At The C.A.S.E. Engineering Group, we specialize in cybersecurity advisory services, modernizing IT architectures, developing IT strategic plans, and engineering innovative systems and software. C.A.S.E. stands for C*ybersecurity, Architecture, Strategy, and E*ngineering. We take a balanced, tailored approach to solving unique organizational challenges while leveraging industry best practices for long-term success. This position supports a mission-critical federal enterprise integration environment operating middleware services processing tens of millions of transactions monthly. Position Overview Job Type: Full-Time Location: Remote (U.S.) with occasional on-site meetings in the Washington, DC area Target Salary Range: $160,000 – $185,000 / year (Note: Final offer is subject to candidate experience and expectations) Position Contingency: Contingent upon contract award (Anticipated award: September 2026; Estimated start date: November 17, 2026) As our Senior Java Integration Engineer, you will serve as the senior technical resource sustaining IBM webMethods-based integration services while leading their progressive modernization to Java/Spring Boot microservices on OpenShift. Key Responsibilities Middleware Engineering: Design, develop, troubleshoot, and sustain enterprise middleware, ESB flows, adapters, and REST/SOAP interfaces. Modernization Execution: Lead modernization work packages decomposing legacy webMethods patterns into performant Java/Spring Boot microservices on OpenShift. Interface Continuity: Maintain strict consumer/provider interface compatibility during dual-run migration waves. Platform Currency: Support runtime upgrades, SSL certificate updates, credential rotations, and dependency remediation. Documentation & Review: Produce detailed design specifications, developer validation evidence, and release packages while mentoring team members. Qualifications & Requirements Experience: At least 8 years of enterprise integration or middleware engineering experience. At least 4 years of hands-on IBM webMethods experience (Integration Server, ESB flows, adapters). At least 4 years of Java / Spring Boot microservice development experience. Technical Expertise: RESTful and SOAP web services, JSON/XML processing, message routing, and file transfer patterns. OpenShift or Kubernetes containerized deployment patterns. AppDynamics, ELK log analysis, and secure coding practices. Clearance & Security: Must possess U.S. work authorization. Must be able to obtain and maintain a federal Moderate Risk Public Trust (MBI level) background investigation. Our Hiring Process Submit Application: Apply directly on Indeed with your updated resume. Salary & Contingency Confirmation: State your expected salary range and confirm your availability for a contingent start in November 2026. Alex AI Assessment: Complete an automated AI assessment interview through Alex AI. (Candidates achieving a score of 80/100 or higher will advance to recruiter review). Recruiter Screening Call: Connect with our recruiting team to discuss your hands-on technical experience, federal background/suitability, and contract alignment. Final Technical Review & Selection: Final candidate slate submission and formal placement consideration. Pay: $160,000.00 - $185,000.00 per year Benefits: Dental insurance Health insurance Paid time off Vision insurance Application Question(s): What are your salary expectations? Location: Washington, DC (Required) Work Location: Remote