Interface / Integration Developer (Java)

The Interfaces team designs, builds, and supports the integration platforms that form a core part of the organisation?s system architecture. These platforms leverage in-house Java frameworks alongside IBM MQ messaging, API gateway technologies, and file transfer solutions., 1. Development & Engineering

Design, develop, and maintain integration solutions using Java and modern integration frameworks (e.g., Apache Camel, Spring Boot)

Build scalable, resilient message flows and routing logic across distributed systems

Integrate internal and external systems using messaging (IBM MQ) and APIs (REST/SOAP)

Contribute to microservices-based architectures

Ensure adherence to secure coding standards, SDLC, and change control processes

Participate in code reviews and champion engineering best practices

Proven ability to leverage AI-assisted development tools (e.g. GitHub Copilot) to enhance productivity, code quality, and delivery outcomes

1. Testing & Quality Assurance

Develop and maintain automated unit and integration tests (JUnit, Cucumber)

Contribute to test strategy and system test design

Support User Acceptance Testing (UAT) and validate test outcomes

Ensure high-quality, production-ready deliverables

1. Collaboration & Stakeholder Engagement

Work closely with front-office, back-office, and technology teams to define and deliver integration solutions

Act as a subject matter expert (SME) for integration platforms and middleware

Provide 3rd line support and guidance to production support teams

Contribute to continuous improvement initiatives across tooling, processes, and architecture

1. Documentation & Governance

Produce and maintain high-quality technical documentation

Ensure all solutions meet internal standards, security policies, and regulatory requirements

Follow established release management and deployment processes

Support audit and compliance activities where required

Essential

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

Personal requirements:

Strong communication and stakeholder management skills

Highly results-driven with ownership mindset

Proactive, self-motivated, and able to work independently

Ability to prioritise under pressure in a fast-paced environment

Structured, analytical, and detail-oriented approach

Strong problem-solving and debugging skills