Job Title: Data Integration Engineer Contract Duration: 23/03/ /12/2026 Languages Required: Dutch, English, French Work mode: Hybrid (2 days onsite per week) Primary Skills web services, data-centric, administration, distributed architecture Service description: In the scope of the evolution of the client 's IT, we are actively looking for an external experienced data integration engineer / integration layer developer. This position is in one of our product teams dealing with asset – data. The mission will cover the following tasks: Design and implementation of solutions for effective data management (like data quality tooling, master data management, …) Ensure the alignment between the business/technical architecture and the functional/non-functional needs of the clients Bring concrete experience in terms of best practice in the data management concepts. Guarantee performance and trust in the solution by participating to the set up and following of a continuous build and testing platform Collaborating with the (sub) chapter lead to contribute in the maturity development of the chapter Bring technical expertise to the team as well as infrastructure knowledge of tools used in the data platform(open data soft, queue manager, distributed cache, audit and monitoring) Participate in the setup of an efficient and dynamic documentation solution Second- and third-line support for production Requirements: Technical Skills (required) Experience in .Net/Microsoft platform (3+ years) Integration framework experience Scheduler framework experience Audit and Trace framework experience (3+ years) Efficient monitoring tools experience (3+ years) Web Services (REST, SOAP), XML, Flat Files, GraphQL, Messaging-/Steaming based communication Experience with a data centric approach and working in a product organization Capabilities to help in the administration of the tools used (mixed environment Windows and Unix) Supplier and procurement documentation and meetings with external parties will be in English. Theoretical knowledge of and practical experience with distributed architecture patterns (synchronous & asynchronous) Distributed cache patterns (Concepts and practical experience) Practical experience in the usage of Messaging and/or Event Streaming solutions Practical experience in the development of a data integration layer Automated Unit Testing and Integration Testing Continuous Integration development Good level of Dutch and/or French and English is required. Soft skills Agile mindset, Team player; \"able to think outside the box\" Strong interpersonal, communication & collaboration skills Open and continuous improvement mindset Solution-oriented, able to work independently as well as in a cross-functional and self-organizing team and Ability to communicate with different profiles Experience in the asset domain of a TSO is a plus