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

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

Technologies:

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 43 week of 2026

Integration Developer

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