Mid Backend Engineer6-Month Contract - Inside IR35 - up to 580 per dayLondon based - hybrid working - 2-3 days a week onsiteCurrent and active UK Security Clearance (SC) is essential for this position. We are seeking a Mid Backend Engineer to join a delivery pod, contributing to the design, development and maintenance of scalable, resilient backend systems.The role will specialise in event-driven architecture and CQRS-based systems, working within a collaborative engineering environment to deliver robust, distributed solutions. The successful candidate will have strong backend development experience, a solid understanding of architectural patterns and practical experience building event-driven applications. Key ResponsibilitiesDesign, develop and maintain backend services and applications within a pod-based delivery model.Implement and support systems built around Command Query Responsibility Segregation (CQRS).Develop and maintain event-driven architectures and distributed systems.Contribute to the implementation of Event Sourcing patterns.Design, develop and integrate RESTful APIs and backend services.Build and maintain integrations using Azure Service Bus and messaging technologies.Ensure backend solutions are scalable, resilient, secure and maintainable.Collaborate with engineers, architects and other stakeholders to deliver technical solutions.Contribute to code reviews, technical discussions and continuous improvement of engineering practices.Troubleshoot, diagnose and ..... full job details .....