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# Java Microservices Developer (Legacy Modernization / OpenShift)

- **Company:** The C.A.S.E. Engineering Group
- **Location:** Washington, DC, United States (Remote available)
- **Experience:** Experienced
- **Salary:** $125,000.0 - $145,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Software Design Patterns, OpenShift, Simple Object Access Protocol (SOAP), Software Engineering, Spring-boot, Kubernetes, Restful APIs, Microservices
- **Published:** July 27, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=dd4d36a65ceab1cb

## About the Role

* Experience:
 * At least 5 years of software development experience.
 * At least 2 years focused on legacy modernization or re-platforming efforts.
 * Proven hands-on Java / Spring Boot microservice development.
 * Technical Expertise:
 * REST APIs, microservice design patterns, and interface contract testing.
 * OpenShift or Kubernetes deployment patterns and containerization.
 * Legacy integration patterns (ESB, SOAP, batch/file interfaces; webMethods exposure is a plus).
 * Clearance & Security:
 * Must possess U.S. work authorization.
 * Must be able to obtain and maintain a federal Moderate Risk Public Trust (MBI level)

## Description

* Legacy Analysis: Reverse-engineer legacy service behaviors, interfaces, data flows, and dependencies.
 * Microservice Engineering: Decompose legacy ESB flows into modular Java/Spring Boot microservices tailored for OpenShift.
 * Interface Preservation: Preserve 100% interface compatibility for consumer applications during migration waves.
 * Migration Waves: Produce legacy-to-target mapping documentation, sequencing plans, dual-run support, and rollback strategies.
 * Testing & Standards: Perform contract testing, produce developer validation evidence, and establish reusable modernization templates.


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