Video upload website

Need a community video upload website built with the following functionalities: 1. User goes to website (from mobile or on desktop) and can sign up or login. 2. User uploads a video. Video gets processed on site in cloud. Needs to be compressed and resized (if necessary to our size and format standards). 3. The videos are then loaded onto the home screen as a grid formation and guests can scroll down and click on any of the video thumbnails to view any of the videos. 4. On opening the videos, the guest can then comment on the video, like the video, share the video link on Facebook, Tweet the video on Twitter. 5. On the video view grid, the user can arrange the video by likes in order of most to least, tweeted or shared (also arranged by most to least). 6. There needs to be a donation function. This will allow guests to make a donation via the Payfast payment gateway which will direct them to the site for payment and back. We can possibly show how much has been donated on the homepage, etc. 7. We can host this on Google Firebase. Build in any security that may be necessary. Please advise your timelines to build this i.e 1 week/2 weeks/3 weeks/etc ? Please advise your once off development cost and then if there should be any bugs or fixes or changes to be done. I would think something like this can be done in around 2 weeks? Around US$750 once off development and us100 per month for 1 year for any maintenance or any update or bugs. Please advise your costs and all the fine details in your bid. This would benefit someone who has worked with video uploads and video compression before.