> Markdown version of [/jobs/ext/1245569-senior-flutter-mobile-app-developer-flutter-dart-kotlin-swift](https://www.wearedevelopers.com/jobs/ext/1245569-senior-flutter-mobile-app-developer-flutter-dart-kotlin-swift). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Flutter Mobile App Developer (Flutter / Dart / Kotlin / Swift) - **Company:** Open Paparazzi - **Location:** London, UK - **Experience:** Expert - **Salary:** £26,401.0 - £58,400.0 - **Contract:** Permanent contract - **Skills:** Flutter, Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Apple IOS, Application Performance Management, App Store (IOS), Computer Vision, Software Quality, Software Debugging, Mobile Application Software, Firebase, Kotlin, Dart, Google Play, Restful APIs - **Published:** July 12, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=1690f08f47797af3 ## About the Role * Strong commercial experience with Flutter * Excellent knowledge of Dart * Good knowledge of Kotlin (Android) * Good knowledge of Swift (iOS) * Experience with Firebase * Experience working with REST APIs * Experience maintaining production mobile applications * Strong problem-solving and debugging skills Desirable Skills * Experience integrating AI features into mobile applications * Experience with computer vision or AI-powered camera functionality * Experience building custom camera features * Experience developing photography, social media or marketplace applications * Startup experience We're Looking For Someone Who * Takes ownership of their work * Is proactive and self-motivated * Enjoys solving technical challenges * Writes clean, scalable code * Wants to be part of a growing startup * Can work independently while collaborating effectively with the team ## Description We are looking for a highly experienced Flutter developer who can take ownership of our mobile application, maintain the existing codebase, develop new features, improve performance, and help us scale the platform after launch. You will work closely with the Founder & CEO and collaborate with our product and design teams to continuously improve the user experience. Key Responsibilities * Maintain and manage our existing Flutter application * Develop and implement new features * Improve application performance and stability * Optimise code quality and architecture * Work with APIs, Firebase and AWS services * Support App Store and Google Play releases * Contribute to technical planning and future product development * Identify and resolve bugs efficiently ## Related Videos - [Intro to Flutter Development](https://www.wearedevelopers.com/videos/170-intro-to-flutter-development) - [Flutter Packages and Plugins - A Look Under the Hood](https://www.wearedevelopers.com/videos/555-flutter-packages-and-plugins-a-look-under-the-hood) - [Dart - a language believed dead, experiences a new bloom](https://www.wearedevelopers.com/videos/442-dart-a-language-believed-dead-experiences-a-new-bloom) - [Kotlin Multiplatform - True power of native code reuse](https://www.wearedevelopers.com/videos/4-kotlin-multiplatform-true-power-of-native-code-reuse) - [Writing truly cross plattform applications using flutter](https://www.wearedevelopers.com/videos/456-writing-truly-cross-plattform-applications-using-flutter) - [Using Serious Tech for a Silly Game - How to Build an MVP with Flutter](https://www.wearedevelopers.com/videos/728-using-serious-tech-for-a-silly-game-how-to-build-an-mvp-with-flutter) ## Related Articles - [Basic And Advanced Networking in Dart and Flutter](https://www.wearedevelopers.com/magazine/112-basic-and-advanced-networking-in-dart-and-flutter) - [Flutter Developer Salary [2023]](https://www.wearedevelopers.com/magazine/199-flutter-developer-salary-2023) - [8 No-Code App Builders](https://www.wearedevelopers.com/magazine/300-8-no-code-app-builders) - [Cross Platform Mobile Development Frameworks to Use in 2025](https://www.wearedevelopers.com/magazine/404-cross-platform-mobile-development-frameworks-to-use-in-2025) - [A Guide to Choosing the Right Tools for App Developers](https://www.wearedevelopers.com/magazine/391-a-guide-to-choosing-the-right-tools-for-app-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline)