Spectrum IT''s partner are an enterprise digital platform provider who deliver a widely used, real-world consumer mobile application. They are entering a key delivery phase and are looking for an experienced Contract Flutter contractor to join them and help deliver new features and enhancements within a time-critical product roadmap. In this role you''ll be supporting upto 1.5 million customers across the UK and Europe. This role has been deemed OUTSIDE IR35 and will be a remote working role with occasionally office visits to the West London/Uxbridge site. You''ll be joining a modern engineering function working on a production-scale mobile app that integrates with a large Azure cloud-based backend platform. The RoleYou will play a key role in designing and building new mobile features while improving existing functionality in a live Flutter application. The work is highly collaborative, involving close interaction with backend engineers working in a .NET / Azure cloud environment, as well as product and design teams. This is a fast-paced contract where delivery momentum and quality both matter. Key ResponsibilitiesDesign and develop new features in a live Flutter application (iOS, Android, Web)Contribute to architectural decisions within a modular Flutter codebase (Bloc / Cubits)Implement clean, scalable Dart code aligned with best practicesIntegrate backend services via REST (previous gRPC exposure beneficial)Implement and enhance mapping functionality (Mapbox mobile, Goog