Integration Developer (C# / .NET)

Integration Developer (C# / .NET)

London · Hybrid

Are you an experienced Integration Developer ready to shape modern engineering practices, influence architectural direction, and deliver high‑impact solutions across a globally recognised consumer brand. We are recruiting for a hands‑on, strong Integration Developer to join a growing engineering team and play a key role in transforming a modern digital and operational technology landscape.

About the Role

As the Integration Developer, you will be responsible for designing, developing, and leading the delivery of integration solutions that connect core business systems, digital products, data services, and cloud platforms. You will own end-to-end integration architecture, champion modern engineering standards, and guide engineers through best practices in API design, cloud-native development, and scalable integration patterns.

What You’ll Be Doing

• Design, development, and delivery of integration solutions across a diverse technology ecosystem
• Develop secure, scalable APIs, services, and messaging-based integrations
• Champion best practices in engineering, DevOps, automation, testing (TDD) and CI/CD
• Work closely with architects, digital product and design team, and stakeholders to define integration strategy
• Provide technical leadership, supporting developers through coaching and code reviews
• Contribute hands-on to development using modern .NET, cloud, and database technologies
• Influence and shape cloud-based integration modernisation (Azure preferred)
• Troubleshoot complex integration issues, ensuring performance, reliability, and data quality
• Support documentation, standards, and governance for integration patterns
• Play a key role in solution design for business and digital transformation initiatives

We’re looking for someone passionate about engineering, integration design. You’ll thrive here if you’re proactive, collaborative, and comfortable working across multiple systems in a fast-paced environment.

Essential skills and experience

• Strong background in C# / .NET, API development, and integration technologies
• Experience designing and delivering integrations using RESTful services, messaging, or service bus patterns
• Solid understanding of SQL Server, T-SQL, and database performance optimisation
• Experience working with Azure (Functions, Service Bus, Logic Apps, AKS, or related services)
• Hands-on experience with CI/CD pipelines, DevOps tooling, automation and testing
• Ability to lead technical discussions, coach developers, and set engineering standards
• Experience working in Agile environments

Nice to have

• Containerisation experience (Docker, Kubernetes)
• Nice to have messaging integration experience with Kafka or RabbitMQ
• Exposure to event-driven architectures
• Experience integrating systems within membership, retail, leisure, or consumer-facing industries
• Security, identity, or enterprise authentication experience

This is a permanent role based in London with a hybrid working model of three days in the office based in central London. Salary range £75,000 - £90,000.

You must have the right to work in the UK.

NO SPONSORSHIP WILL BE PROVIDED.