Integration Developer

GCS; Greater London; Remote; GBP 65,000 - 80,000; Full time

Job summary

GCS is seeking an experienced Integration Developer to design, develop and support enterprise data integrations within the Azure ecosystem. You will work across Microsoft Azure services to enable secure data exchange between business-critical systems.

The role focuses on ETL pipelines, API and messaging-based integrations, and robust data mappings. Collaboration with IT teams, vendors, and analysts is essential, leveraging Agile delivery practices.

Qualifications

• Active SC Clearance (must already be in place).
• Proven commercial experience as an Integration Developer / ETL Developer.
• Experience with Azure Data Factory, Logic Apps and SQL Server.
• Hands-on with REST and SOAP integrations.
• Strong data mapping/transformation and API integration skills.
• Familiar with Agile delivery environments.

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.

Skills

SC Clearance

Integration Dev

REST & SOAP integration

SQL/T-SQL

Agile Delivery

Data Mapping

Data Transformation

JSON

XML

API Integrations

ETL Development

RESTful API Design

Tools

Azure Data Factory

Azure Logic Apps

SQL Server

SSMS

SSIS

Azure Service Bus

Azure Functions

Azure API Management

Job description

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