Mongo Database, ADD Categories to 245 Videos

I have mongo database and Node.Js installed on backend of my Cpanel Dedicated Server. I got 245 TV Channel-Videos in Mongo Database. I need a Mongo Database expert. You will simply add categories for the videos-channels in Mongo. I am building a TV Streaming Video Service. My developer will Query the Channels-Videos in the React.Js UI. But we need categories set up into Mongo Database. I will provide a JSON browser view list of all channels in mongo. You must be available to work. You must be dependable and reliable and trusted with access to my entire Server. You must be a Mongo Database Expert. I will provide the categories for the channels. Must Start Right away and finish ASAP. You will be paid after completion of my requirements.