TikTok Auto Posting Chrome Extension

I need a Chrome Extension built, where every 4 hours it scans tiktok trending hashtags (for example [login to view URL]), and downloads a random video (that is hasn't already downloaded before), and it must remove the watermark from the video (there is a way) Once it has downloaded the video, it should upload that video to the users TikTok profile. You can now login to TikTok from desktop, and there is an Upload Video button. It must upload the video, with no caption or hashtags. Once it has uploaded, as long as the browser is running, 4 hours later it should repeat the process again. Scan specified hashtags, download random video that never downloaded before, remove watermark, upload to their tiktok profile. Please type the word "sunny" in your proposal to prove you have read this brief. I will only hire someone who has previous experience building Chrome Extensions, so please show your profile for that.