Integration Developer (Active SC Clearance Required) Location: Remote / Enfield UK Duration: 12 Months Initial Contract (Extension Likely) Security Clearance: Active SC Clearance Mandatory Start Date: ASAP The Role We're recruiting for an experienced Integration Developer to join a leading UK organisation delivering critical data and system integration initiatives. This role will focus on designing, developing, and supporting enterprise integration solutions that enable secure and reliable data exchange between business-critical systems. You will work closely with technical teams, business stakeholders, and third-party suppliers to build robust, scalable integrations across the Microsoft Azure ecosystem. Key Responsibilities Design, develop, test, and support enterprise integration solutions. Build and maintain ETL and data integration pipelines. Develop integrations between internal and external systems using APIs and messaging technologies. Create data mappings, transformation rules, and message schemas. Configure and support Azure integration services and middleware platforms. Troubleshoot integration failures and implement effective resolutions. Produce technical documentation, integration designs, and support artifacts. Participate in integration testing, system testing, and deployment activities. Collaborate with developers, business analysts, architects, and stakeholders. Essential Skills & Experience Active SC Clearance (must already be in place). Proven commercial experience as an Integration Developer, Integration Engineer, or ETL Developer. Strong experience with: Azure Data Factory (ADF) Azure Logic Apps SQL Server SSMS SSIS Azure Service Bus Azure Functions Strong SQL and T-SQL development skills. Experience designing and supporting ETL solutions. Hands-on experience with REST and SOAP integrations. Strong knowledge of: JSON XML Data Mapping Data Transformation API Integrations Experience troubleshooting and supporting production integration services. Experience working within Agile delivery environments. Desirable Skills MuleSoft Dell Boomi Apache Camel Azure API Management (APIM) Dataverse / Dynamics 365 integrations Azure Synapse Event Grid Power Platform integrations CI/CD using Azure DevOps GCS is acting as an Employment Business in relation to this vacancy