Genesis Consult is seeking a Senior OSB Integration Developer for Brussels.

This position is open for freelance or permanent contract.

Within the Integration Competence Center (ICC), several Agile teams are responsible for developing and maintaining the company's integration flows.

To strengthen the Integration team, we are looking for a Senior OSB Integration Developer to support the maintenance and development of existing integration flows while contributing to the progressive migration from Oracle Service Bus (OSB) to a B2B architecture based on IBM WebMethods.

The working environment is fully Agile, requiring close collaboration with both business and technical teams.

You will join a team of 5 integration specialists.

Your Mission

Your main responsibilities will include:

• Develop and maintain Oracle Service Bus (OSB) integration flows.
• Actively contribute to the migration program from Oracle Service Bus to IBM WebMethods.
• Provide support, maintenance, and enhancements for existing integration flows.
• Produce clear, well-structured, and maintainable technical documentation.
• Collaborate closely with Agile delivery teams and the Infrastructure team responsible for the OSB platform.
• Ensure the quality, stability, reliability, and performance of integration solutions.

Mandatory

• Strong expertise in SOA and Oracle Service Bus (OSB).
• Good knowledge of IBM WebMethods.

Hands-on experience with:

• SOAP & REST Web Services
• XML & WSDL
• JSON & OpenAPI
• OAuth2 / JWT
• XSLT transformations
• Oracle AQ

Proficiency with:

• SoapUI
• Postman
• XMLSpy

Experience with the following technologies is considered an asset:

• Java
• Dynatrace
• Software AG API Gateway

Functional Skills

• Proven experience working in an Agile environment.
• Strong analytical and problem-solving skills.
• Critical thinking with the ability to synthesize complex information.
• Able to work independently while contributing effectively within a team.
• Strong quality mindset and attention to detail.
• Pragmatic and results-oriented approach.
• Proactive attitude with excellent ownership.

Language Skills

• Fluent in French and Dutch, or native/proficient in one language with a good working knowledge of the other.
• Excellent command of English.

We are looking for someone who is:

• Highly motivated with a strong sense of initiative.
• Able to take ownership of tasks from start to finish.
• Positive, enthusiastic, and able to motivate colleagues.
• Persistent when facing technical challenges.
• Well-organized and structured.
• Detail-oriented and rigorous.
• Goal-driven with a strong commitment to delivering results.

Why Join This Opportunity?

• Be part of a strategic project within the Integration Competence Center.
• Contribute to a major migration towards IBM WebMethods.
• Work in a mature Agile environment.
• Collaborate with experienced integration specialists.