searching for angular 6 mean stack expert to check and fix some issues

I need an real expert who can fix crashing application on local machine. Rxjs-compat is out of the question. the checking is with help of teamviewer or any other application for remote desktop. I would also like for expert to check if database is ok. and if there is anything else to repair. Angular.js, node.js, Mongodb, Express, Javascript. And please i need only experts!