Interface / Integration Developer (Java - Apache)

Role: Java Developer

• Employment: Contract - Inside IR35
• Location: London,UK - hybrid

Skills

Strong expertise in Core Java (collections, concurrency, NIO)

Experience with Spring Boot, JPA, Hibernate

• Solid understanding of integration patterns (Apache Camel)
• Hands-on experience with IBM MQ (configuration, troubleshooting, performance tuning)
• Strong experience building microservices and RESTful APIs
• Knowledge of message formats and data transformation (XML, XSD, XSLT, JSON)
• Experience with SQL databases and ORM frameworks
• Familiarity with CI/CD pipelines (e.g., TeamCity, Git-based workflows)
• Comfortable working in Linux environments (bash, SSH)
• Understanding of API protocols (REST, SOAP)
• Experience delivering systems in a front-office / trading environment
• Knowledge of financial products / investment banking domain

Desirable

Experience with Apache Karaf

Exposure to API Gateway technologies