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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Interface / Integration Developer (Java) - **Company:** Infinity Quest - **Location:** UK - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), XML Schema, Application Programming Interfaces (APIs), Bash Shell, Software Quality, Code Review, Data Transformation, Software Debugging, Distributed Systems, Middleware, File Transfer, Hibernate (Java), IBM WebSphere MQ, Java Persistence API, Spring Framework, JSON, Junit, Linux System Administration, Performance Tuning, Systems Development Life Cycle, Release Management, Secure Coding, Simple Object Access Protocol (SOAP), SQL Databases, Systems Architecture, System Testing, Strategies of Testing, Extensible Markup Language (XML), Extensible Stylesheet Language Transformations (XSLT), Apache Camel, GitHub Copilot, Concurrency, Spring-boot, Git Flow, Integration Tests, Integration Frameworks, Apache Karaf, Teamcity, Api Gateway, Restful APIs, Cucumber (Software), Microservices - **Published:** September 11, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5878820063 ## About the Role 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 ## Description 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 2. 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 3. 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 4. 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 ## Related Videos - [Why make use of an integration platform in today's software developments and infrastructure?](https://www.wearedevelopers.com/videos/758-why-make-use-of-an-integration-platform-in-today-s-software-developments-and-infrastructure) - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Enterprise Integration Is Dead! Long Live AI-Driven Integration with Apache Camel](https://www.wearedevelopers.com/videos/1606-enterprise-integration-is-dead-long-live-ai-driven-integration-with-apache-camel) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) ## Related Articles - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Top 10 Java Libraries](https://www.wearedevelopers.com/magazine/364-top-10-java-libraries) - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Why Upskilling And Reskilling is Important For Developers](https://www.wearedevelopers.com/magazine/428-why-upskilling-and-reskilling-is-important-for-developers) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)