Job Overview We are seeking a highly skilled and self-sufficient Senior Flutter Developer to join our team. This role is ideal for someone who thrives in a fast-paced environment, is passionate about solving real-world problems, and has deep expertise in architecting and building scalable mobile applications. You will take the lead in developing and maintaining complex features, including real-time chat, location-based tracking, authentication, and push notifications. Key Responsibilities Architect and implement mobile apps using Flutter with clean architecture principles Build and maintain complex state management systems using BLoC Develop robust chat features using Socket.IO for real-time messaging Integrate secure authentication flows, including OAuth providers like Google Design and maintain offline-first capabilities using local storage (Hive, Drift, ObjectBox) Develop and monitor real-time map-based features including live tracking and geofencing Ensure high performance, testability, and maintainability of the codebase Collaborate with cross-functional teams on system design, product features, and delivery Key Qualifications Minimum of 4 years of hands-on experience with Flutter and Dart Strong understanding of clean architecture (domain, data, and presentation separation) Advanced experience using BLoC for managing complex state transitions Experience integrating and managing Socket.IO for real-time communication Experience building chat systems from scratch with support for offline messaging, syncing, and background notifications Deep familiarity with local storage and caching strategies for chat and real-time apps Experience implementing user authentication and account management flows Solid understanding of OOP principles and design patterns such as Repository, Factory, Singleton Familiarity with push notification handling in all app states (foreground, background, terminated) Demonstrated ability to work independently and drive projects to completion Preferred Experience Previous experience building chat or delivery applications Experience with notification, and Authentication Experience with background location tracking and optimizing battery usage Strong testing discipline with knowledge of unit and integration testing for BLoC and services What We Offer A high-impact role with the opportunity to take ownership of core application features A collaborative environment focused on quality, performance, and usability The chance to work on challenging problems with real-world impact Remote and flexible working conditions How to Apply Please submit your resume, portfolio or GitHub link, and a brief cover letter outlining your relevant experience to info@cleaninv.com.