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# Integration Developer

- **Company:** GCS Ltd
- **Location:** London, UK (Remote available)
- **Salary:** £25,000.0 - £50,000.0
- **Contract:** Temporary contract
- **Skills:** Application Programming Interfaces (APIs), Microsoft Azure, Cloud Computing, Continuous Integration, Data Integration, Extract Transform Load (ETL), Data Mapping, Data Transformation, DevOps, Electronic Data Interchange (EDI), Middleware, JSON, Enterprise Messaging Systems, Microsoft Dynamics, Microsoft Office, Microsoft SQL Server, Standard Sql, Simple Object Access Protocol (SOAP), SQL Server Integration Services, System Testing, Systems Integration, Transact-SQL, Extensible Markup Language (XML), Azure Service Bus, Azure Data Factory, Apache Camel, Boomi, SC Clearance, Integration Tests, Enterprise Integration, Cloud Integration, SQL Server Management Studio (SSMS), Azure Synapse Analytics, Api Management, Serverless Computing, Mulesoft
- **Published:** October 9, 2026
- **Apply:** https://www.adzuna.co.uk/jobs/details/5918820080

## About the Role

* Active SC clearance already 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, and 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, and API integrations
 * Experience troubleshooting and supporting production integration services
 * Experience working in Agile delivery environments
 * Desirable: experience with MuleSoft, Dell Boomi, Apache Camel, Azure API Management (APIM), Dataverse or Dynamics 365 integrations, Azure Synapse, Event Grid, Power Platform integrations, or CI/CD using Azure DevOps

## Description

* 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

Technologies:

 * API
 * Apache Camel
 * Azure
 * CI/CD
 * ETL
 * Support
 * JSON
 * MuleSoft
 * REST
 * SOAP
 * SQL
 * SSIS
 * XML
 * Office 365
 * Cloud
 * DevOps
 * Security, Were recruiting an experienced Integration Developer to join a leading UK organisation delivering critical data and system integration initiatives. The role focuses on enterprise integration solutions that enable secure and reliable data exchange across business-critical systems, working with technical teams, business stakeholders, and third-party suppliers across the Microsoft Azure ecosystem. The position is remote or based in Enfield, UK, on an initial 12-month contract with an extension likely. The anticipated start is ASAP. GCS is acting as an Employment Business in relation to this vacancy.