Flutter Developer required

I am looking for strong Flutter App developer . You will be responsible for the development, enhancement and maintenance of cross platform applications . Responsibilities - - Architecting, designing, developing and deploying new features for mobile applications. - Ensure the best possible performance, quality, and responsiveness of the application - Diagnose and fix bugs and performance bottlenecks for great performance - Maintain code and write automated tests to ensure the product is of the highest quality - Familiarity with RESTful APIs to connect applications to back-end services - Experience developing integrations with common APIs (e.g., Firebase, Twitter, Facebook, Instagram, Stripe, Vimeo, Google etc.) - Proficient understanding of code versioning tools, such as Git - Strong knowledge of design principles, patterns, and best practices - Experience with offline storage, threading, and performance tuning - Experience in launching apps on Play Store across different countries - A knack for benchmarking and optimization - Good knowledge of SQLite database - Must have built at least two Android / iOS apps with Flutter and have published mobile apps in Google Play or App Store