I have gone through your requirement to fix on your job
Maybe there are some codes to optimize by keeping the functions in your project
My main skills:
-Front-end:Angular 2/4/5/6, React + Redux, node, bootstrap, jquery,Html5, CSS
-Back-end: Php, python, Node, ROR, laravel, django, flask, codeigniter, wordpress…
-Web service: XML/JSON, REST/SOAP, PHP, HTML5, ASP, JSP
-Server:Gcloud, AWS, cpanel, godaddy,
-Mysql, PostgreSQL, Nosql
-android java, kotlin
-iOS swift , object c
-react native/hybrid, cordova, xamarin
Please discuss more details over chat
Hope your kind reply
Thanks