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# Senior Mule/ESB Developer

- **Company:** ObjectLab Ltd
- **Location:** Greater London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Apache ActiveMQ, Automation of Tests, Unit Testing, Hibernate (Java), Internet Protocol, Java Message Service (JMS), Junit, Apache Maven, Mule, Object-Relational Mapping, Message Oriented Middleware, Extensible Markup Language (XML), Build Tools
- **Published:** September 10, 2026
- **Apply:** https://www.collegerecruiter.com/job/2840611400-senior-muleesb-developer

## About the Role

* Proven experience of successful ESB/Mule development & deployment.
 * Knowledge and experience with message-oriented middleware and JMS (ActiveMQ, JBossMQ, WebSphereMQ, etc).
 * Good understanding of Java (incl. Java 5 features like generics and annotations).
 * Good knowledge of the core Java packages.
 * Good developer-level understanding of relational databases and SQL.
 * Experience with automated build tools like Ant or Maven
 * Some knowledge of XML-Schema.
 * Good verbal and written communication skills.
 * You must be conscientious, dedicated, delivery-focused, and able to work in a dynamic environment., * Experience with Spring (both server-side and client-side)
 * Understanding of the concepts of object-relational mapping in general and Hibernate in particular, ideally with some hands-on experience.
 * Good grasp of IP networking concepts.
 * Conceptual understanding of transactions.

Nice to have

 * Experience with automated tests, including unit tests, e.g. JUnit.
 * Basic knowledge of investment banking nomenclature.

## Description

* Writing, debugging and maintaining Java 5 code primarily for the enterprise server bus: Mule, JMS, Spring 2, J2EE, EJB, JBoss, Dozer, JAXB.
 * Involvement at all stages of the process from requirements, architecture, development and some support (2/3rd line)
 * Developing automated tests: JUnit + our own E2E test tool.
 * Developing and maintaining the automated build suite (Maven/Ant-based).
 * Writing documentation for developers, testers and end-users.
 * May initially involve some 2nd/3rd line support for the first release (i.e. Dev support) outside normal business hours, for which a compensation scheme will be in place.


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