Senior Integration Developer

Job Description :

Senior OSB Developer – OSB to IBM WebMethods Migration

Remote work from Poland
Long-term B2B cooperation
️ Start: ASAP | Contract until end of 2026 (with possibility of extension)
Good command of English required, Dutch/French – a plus

About the project
For our client based in Belgium, we're looking for a Senior OSB Developer to join their Integration Competence Center (ICC) team. The Integration Team (5 FTE) works according to Agile principles and is responsible for supporting existing OSB flows as well as migrating them to IBM WebMethods (B2B). The team is now looking for a second developer to reinforce this area.

Responsibilities
✅ Develop OSB flows together with the team
✅ Actively participate in the OSB → B2B (WebMethods) migration
✅ Document your software in a clear and structured manner
✅ Work closely with the Agile Infrastructure Team responsible for the OSB plat

Profile / Requirements :

Requirements
Solid knowledge of SOA / OSB
Good knowledge of IBM WebMethods
Good understanding of: Web Services (SOAP and REST), XML and WSDL, JSON and OpenAPI, OAuth2 / JWT, XSLT transformations, Oracle AQ integration
Experience with tools such as SOAPUI, Postman, XMLSpy
Knowledge of Java, Dynatrace, and Software AG API Gateway is a plus
Experience working with Agile methodologies
Strong analytical and critical thinking skills
Able to work independently as well as within a team
Quality-oriented, accurate, and pragmatic ("no-nonsense") mindset
Results-driven, proactive, and dynamic
Own sole proprietorship (one-person business) registered in the EU is required

Personality traits we value
⭐ High energy level with a strong drive to take ownership and complete tasks
⭐ Ability to inspire and motivate colleagues through enthusiasm and commitment
⭐ Persistent and determined
⭐ Attention to detail and follow-through
⭐ Goal-oriented
⭐ Well-organized, able to bring structure to complex work

What we offer
Long-term B2B cooperation
Flexibility – remote work possible for the right candidate
The chance to work on a real migration project in an international environment

Interested? Send your CV in English

Please note: due to the high number of applications, we will contact only selected candidates.

About us :

ALGOTEQUE is an IT consultancy firm that helps startups, mid-sized and large corporations to create and deliver innovative technologies.
Our team has a successful track record in designing, developing, implementing, and integrating software solutions (AI, ML, BI, Web, Automation) for Telecom, Energy, Bank, Insurance, Pharma, Automotive, Industry, e-commerce. We deliver our services both in fixed-price and time-and-materials models, helping our customers achieve their business and IT strategies.