Senior Integration Developer (OSB/WebMethods)

TL;DR

Senior Integration Developer (OSB/WebMethods): Developing and migrating OSB flows to IBM WebMethods for a client in Belgium with an accent on SOA architecture and B2B integration. Focus on implementing Web Services, handling XSLT transformations, and ensuring stable migration of legacy flows.

Location: Remote work from Poland. Own sole proprietorship registered in the EU is required.

Company

An IT consultancy firm helping startups and large corporations deliver innovative technologies across various industries including Telecom, Energy, Bank, and Pharma.

What you will do

• Develop OSB flows as part of the Integration Competence Center team.
• Execute the migration of existing OSB flows to IBM WebMethods (B2B).
• Create clear and structured software documentation for developed solutions.
• Collaborate with the Agile Infrastructure Team responsible for the OSB platform.
• Work within an Agile framework to ensure iterative delivery and quality.

Requirements

• Solid knowledge of SOA and OSB.
• Proficiency in IBM WebMethods.
• Deep understanding of Web Services (SOAP, REST), XML, WSDL, JSON, and OpenAPI.
• Experience with OAuth2/JWT, XSLT transformations, and Oracle AQ integration.
• Own sole proprietorship registered in the EU is required.
• English: Good command required.

Nice to have

• Knowledge of Java, Dynatrace, and Software AG API Gateway.
• Experience with tools such as SOAPUI, Postman, and XMLSpy.
• Proficiency in Dutch or French.

Culture & Benefits

• Long-term B2B cooperation with contract duration until the end of 2026.
• Full remote work flexibility.
• Opportunity to work on a large-scale migration project in an international environment.
• Professional growth within an Agile-driven team.