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# Senior Java Integration Engineer (webMethods / Spring Boot)

- **Company:** The C.A.S.E. Engineering Group
- **Location:** Washington, DC, United States (Remote available)
- **Experience:** Expert
- **Salary:** $160,000.0 - $185,000.0
- **Contract:** Temporary contract
- **Skills:** Java (Programming Language), Middleware, File Transfer, JSON, Log Analysis, OpenShift, Secure Coding, Simple Object Access Protocol (SOAP), Extensible Markup Language (XML), Spring-boot, SOAPAPI, Kubernetes, Enterprise Integration, Restful APIs, Appdynamics, Microservices
- **Published:** July 27, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=3f9a7ac2ab789bc7

## About the Role

* 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.

## Description

This position supports a mission-critical federal enterprise integration environment operating middleware services processing tens of millions of transactions monthly., 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., * 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.


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