Integration Developer
Summary
An Integration Developer in Central London designing, building and supporting ETL and system integrations using Azure Data Factory, Logic Apps, Service Bus, Functions and SQL Server (T-SQL, SSIS), plus REST and SOAP APIs with JSON/XML data mapping. Requires an active UK SC security clearance.
Salary: £25,000 - 50,000 per year
Requirements:- 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
- 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
- API
- Apache Camel
- Azure
- CI/CD
- ETL
- Support
- JSON
- MuleSoft
- REST
- SOAP
- SQL
- SSIS
- XML
- Office 365
- Cloud
- DevOps
- Security
More:
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.
last updated 41 week of 2026