HAYS IT is assisting one of their clients in the Antwerp region in their search for a Freelance Senior Integration Developer. This is a long‑term assignment with a hybrid work setup (minimum 2 days onsite).
The Senior Integration Developer will join a central integration team within a large enterprise environment. You will focus on designing and developing modern, cloud‑based integration solutions using Microsoft Azure Integration Services, while collaborating closely with analysts, architects and engineering teams.
The ideal candidate has:
5+ years of hands‑on experience with Azure Integration Services (including Azure Logic Apps, Azure Service Bus, Azure API Management, Event Grid)
Strong .NET / C# development background
Solid knowledge of REST/SOAP, Azure DevOps and CI/CD
Experience with integration patterns, cloud architecture and security
Dutch (preferred) and English fluency
Nice to have: BizTalk experience or knowledge of insurance processes.
This is a full‑time and long term freelance role, starting ASAP. A personal device is required.
If you are interested, you can always contact Inge, Hays IT, via or, or reach out to Tim