Hello,
I gone through with the description and it sounds good to me , I would be glad if i get opportunity to work with you and can develop backend as per the requirements in node.js.
Here are our major technology stack in which we're dealing with :
Front-end : Angular, React.js ,TypeScript, JavaScript, Razor, jQuery.
Back-end : C#, ASP.NET, ASP.NET Core,Node.js, SignalR, Entity Framework, RabbitMQ.
Databased : Microsoft SQL Server, PostgreSQL, PostGIS , AWS.
Mobile technology : React Native,Xamarin, Kotlin, Swift, Android SDK, iOS SDK, DJI SDK, BLE, iBeacon, Vuforia.
Thanks