Integration Developer

Integration Developer

Location: London - 4 days in the office, 1 day from home

Salary: £50,000 - £65,000

The Opportunity

We're working with an established consumer-facing organisation that's investing significantly in the modernisation of its technology landscape.

With a new eCommerce platform, a new third-party logistics partner and an ERP upgrade all being delivered concurrently, the business is now building an internal integration capability to take long-term ownership of how its critical systems connect.

This is not a role where you will simply maintain what already exists.

You will help build the integration layer that keeps orders moving, stock accurate and deliveries going out on time.

The Role

• eCommerce and order management platforms
• Warehouse management and 3PL systems
• ERP platform
• Downstream business applicationsYou will work closely with a newly appointed Technical Lead, alongside QA and Delivery Planning, with genuine ownership of the integrations you develop.

Key Responsibilities

• Build and maintain APIs, data flows and middleware integrations
• Develop and own solutions using Azure Integration Services
• Support the new warehouse go-live and integration hypercare
• Monitor live integrations, investigate incidents and resolve failures
• Build the eCommerce and OMS integration layer
• Develop ERP integration components from established technical designs
• Test, deploy and monitor integration pipelines
• Produce clear runbooks, data flow diagrams and error-handling documentation
• Work closely with internal teams and external delivery partners

About You

You will have:

• Commercial experience building integrations in a production environment
• Hands-on experience with Azure Integration Services, Logic Apps, Service Bus or a comparable integration platform
• Strong experience working with REST APIs, JSON and XML
• Knowledge of OAuth 2.0, API keys and common authentication patterns
• Experience building event-driven flows or middleware pipelines
• A strong debugging mindset and the ability to resolve integration failures properly
• The confidence to work independently and take ownership of delivery
• Experience integrating ERP, eCommerce, OMS, warehouse or logistics platforms would be highly advantageous.

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