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# Senior Middleware/Integration Engineer

- **Company:** Constellation West
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Agile Methodology, Cloud Engineering, Information Systems, Middleware, OpenShift, Software Engineering, Enterprise Software Applications, Spring-boot, SOAPAPI, Containerization, Kubernetes, Information Technology, Enterprise Integration, Api Design, Api Gateway, Devsecops, Microservices
- **Published:** October 2, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9213016/senior-middlewareintegration-engineer

## About the Role

* 10+ years of software engineering experience
 * Enterprise API development
 * Java
 * Spring Boot
 * REST and SOAP web services
 * IBM webMethods
 * Enterprise middleware
 * Microservices architecture
 * OpenShift or Kubernetes
 * Enterprise system integration
 * Application modernization
 * Production support and troubleshooting
 * Agile development

Preferred Experience

 * IRS experience
 * Federal Government experience
 * API Gateway experience
 * DevSecOps environments
 * Containerized applications, Bachelor's degree in Computer Science, Information Systems, Engineering, or related field (or equivalent experience).

## Description

Location: Remote, with occasional onsite support for meetings, deployments, production activities, or knowledge transfer as required., Lead the design, development, modernization, and support of enterprise middleware and API integration services supporting the Internal Revenue Service (IRS). This position will provide technical leadership for enterprise integration solutions utilizing Java-based technologies, IBM webMethods, and cloud-native architectures., Constellation West is an award winning company that delivers Information Technology (IT) engineering services and solutions and non-IT subject matter expertise worldwide. Established in 1997, Constellation West is an industry leader, partnering with key organizations. As a prime contractor or preferred subcontractor, we have a continual list of opportunities to fill nationwide with multiple agencies such as the Department of Veteran Affairs, the Department of Defense, civilian agencies, and the national intelligence community. Many positions supporting the U.S. federal government require our employees to be granted security clearances.