Hi i am an expert developer in severals languages such as PHP (Laravel, Symfony), Javascript(Angular, ionic, react, VueJS, jQuery, Bootstrap, NodeJS), Android(Java, ionic, react), iOS(Swift), SQL(MySQL, Postgres), CSS(bootstrap, mediaquery, responsive) i know about oAuth2, so i will help you in anything that you need, please contact me and i will help you to do that you need.
Regards
Esteban Barrios