Salary: £104,000 - 117,600 per year Requirements: Microsoft BizTalk Server 2013 R2 and BizTalk Server 2020 experience Knowledge of BizTalk artifacts including schemas, maps, orchestrations, pipelines, bindings, and adapters Proficiency in .NET / C#, XML, XSLT Familiarity with REST / SOAP APIs Basic SQL knowledge Experience with DevOps / CI-CD practices Basic knowledge of Azure Microsoft certification in BizTalk Server or relevant Azure certifications (preferred) Experience with multi-environment migrations (Dev / Test / QA / Prod) (preferred) Familiarity with Azure PaaS integration options (Logic Apps, Service Bus) is a plus Strong understanding of integration patterns and best practices Responsibilities: Lead and support the migration of BizTalk Server 2013 R2 to BizTalk Server 2020 on Azure IaaS virtual machines Assess current integration solutions, identify dependencies, and develop migration plans Prepare detailed migration documentation, design documents, and runbooks Support environment provisioning, configuration, and testing in Azure IaaS Validate migrated artifacts such as schemas, maps, orchestrations, pipelines, and adapters to ensure correct post-upgrade functionality Conduct unit, integration, system, and UAT testing with stakeholders Provide production cut-over support and post-migration stabilization Perform artifact migration including orchestrations, maps, schemas, pipelines, bindings, and custom components from BizTalk 2013 R2 to BizTalk 2020 Reconfigure and test adapters and ports after migration Troubleshoot issues related to BizTalk artifacts, SQL performance, and connectivity Support deployment automation and CI/CD integrations for BizTalk solutions Ensure security configurations, certificates, and access controls are correctly applied in Azure environments Technologies: Azure C# CI/CD DevOps IaaS Support Microsoft BizTalk Server PaaS REST SOAP SQL Security XML ASP.NET Cloud More: We are seeking an experienced BizTalk Developer to support a major upgrade project for one of the UKs leading airline customers. Our current environment runs on BizTalk Server 2013 R2, and we are planning to migrate to BizTalk Server 2020 hosted on Azure IaaS. This position is hybrid, requiring three days of office attendance in Crawley, UK. We offer a collaborative team environment focused on innovation and excellence in integration solutions. last updated 5 week of 2026