i am a Sharepoint /C# .net Consultant in Algeria , i work about 3 years in sharepoint with big company in algeria (Sonatrach , anadarko , Cevital , Groupement berkine ,MagPharm) with deferent technologies like sql server , Active directory , sharepoint 2013 or 2016 or 2019 also in azure cloud , Sharepoint Framework , Sql Server , migration from 2013 to 2016 , migration from 2013 to 2019 , Lists , Event reciever, Jobs ....
Also i Am a Web/mobile developer as a freelancer using any technologies you want like laravel , react , react native , php , django , .... for build WebSites and mobile App , this is make me i can install certificate to your platform
i hope i can help you for this work you can contact me anytime by message.
Thank you.