Hybrid Java Developer

at Expleo Group

• Job title: Java Developer
• Job type: Full Time
• Experience level: Junior, Mid level
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: Java, SOAP
• Location requirements: Hybrid, London, United Kingdom

About the role

• Java Developer designing and developing integration solutions for various systems at Expleo. Collaborating with diverse teams to ensure seamless communication between applications.

Responsibilities

• Develop and maintain integration flows using IBM Integration Bus.
• Implement message transformations and routing logic using ESQL.
• Work with various data formats (XML, JSON, CSV) for integration.
• Integrate systems using HTTP, SOAP, and REST protocols.
• Configure and manage IBM MQ queues for message handling.
• Package and deploy BAR files to integration nodes.
• Troubleshoot integration issues using Trace Nodes, User Trace, and logs.
• Build simple flows (e.g., HTTP → Transform → MQ or DB).
• Monitor and restart integration nodes as needed.
• Collaborate with cross-functional teams to ensure smooth integration.

Requirements

• Bachelor’s degree in Computer Science or related field.
• 2+ years of experience in Java development.
• Strong core Java programming skills.
• Basic IIB concepts: message flows, nodes, integration servers.
• ESQL fundamentals for transformations and routing.
• XML, JSON, CSV data formats.
• HTTP, SOAP, REST protocols.
• Understanding of IBM MQ queues and message handling.
• Creating and deploying BAR files.
• Using Trace Nodes, User Trace, and logs.
• Hands-on experience with IBM Integration Bus and IBM MQ.
• Familiarity with integration patterns and best practices.

Benefits

• Collaborative working environment – we stand shoulder to shoulder with our clients and our peers through good times and challenges
• We empower all passionate technology loving professionals by allowing them to expand their skills and take part in inspiring projects
• Expleo Academy - enables you to acquire and develop the right skills by delivering a suite of accredited training courses
• Competitive company benefits
• Always working as one team, our people are not afraid to think big and challenge the status quo
• As a Disability Confident Committed Employer we have committed to:
• • Ensure our recruitment process is inclusive and accessible
• • Communicating and promoting vacancies
• • Offering an interview to disabled people who meet the minimum criteria for the job
• • Anticipating and providing reasonable adjustments as required
• • Supporting any existing employee who acquires a disability or long term health condition, enabling them to stay in work
• • at least one activity that will make a difference for disabled people
• “We are an equal opportunities employer and welcome applications from all suitably qualified persons regardless of their race, sex, disability, religion/belief, sexual orientation or age”.
• We treat everyone fairly and equitably across the organisation, including providing any additional support and adjustments needed for everyone to thrive