As a seasoned developer, I'm confident that I possess the necessary skills and experience to tackle your Ionic app project. My proficiency with the Ionic 3 framework is exceptional. This not only includes developing for iOS and Android but also the ability to make builds work seamlessly on Mac M1 laptops - an area where many developers struggle. Also, I have a proven track record in custom plugin development which could prove to be an asset for adding any specialized functionality you may require.
Though my primary language and framework are Php (Laravel, Codeigniter, Cakephp) and MERN stack respectively, I have thoroughly mastered a number of other technologies that would be valuable for your project. These include React JS and Node JS which are essential for Ionic development, as well as databases like MongoDB and MySQL. Moreover, having proficiently worked with remote access to m1 laptop.
In conclusion, my diverse technical skills, extensive experience with the Ionic framework, and history of successful app projects make me the perfect fit for your job. Let's discuss your vision in more detail -I am confident we can collaboratively create an exceptional Ionic app maintaining v3 without compromising performance or functionality on iOS or Android.