Integration Developer

Zachary Daniels; Ewell; Hybrid; GBP 50,000 - 65,000; Full time

Job summary

Zachary Daniels is seeking an experienced Integration Engineer to design, build and maintain complex API and data-flow integrations. You will own solutions using Azure Integration Services, collaborate with internal teams, and support warehouse go-live activities and incident resolution.

The role requires hands-on work with REST/JSON/XML, OAuth patterns and ERP/eCommerce integrations, with a hybrid London-based office setup.

Qualifications

• 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.

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.
• Participate in an on-call rota during peak trading periods.

Skills

Integration experience

REST APIs

JSON

XML

OAuth 2.0

API keys

Event-driven flows

Middleware pipelines

Independent delivery

ERP/eCommerce/OMS integrations

Tools

Azure Integration Services

Logic Apps

Service Bus

Job description

Salary: £65,000 - 65,000 per year

Requirements

• 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
• Confidence to work independently and take ownership of delivery
• Experience integrating ERP, eCommerce, OMS, warehouse or logistics platforms would be highly advantageous

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
• Participate in an on-call rota during peak trading periods

Technologies

• API
• Azure
• ERP
• Flow
• Support
• JSON
• OAuth
• REST
• XML
• Cloud
• DevOps

More

We are an established consumer-facing organisation investing significantly in the modernisation of our technology landscape. We are delivering a new eCommerce platform, a new third-party logistics partner and an ERP upgrade concurrently, while building an internal integration capability to take long-term ownership of how our critical systems connect. This is a hands-on role within a small and highly capable integration team, working closely with our newly appointed Technical Lead, QA and Delivery Planning, with genuine ownership of the integrations you develop. The role is based in London with 4 days in the office and 1 day from home, and offers a salary of £50,000 - £65,000.