Virtual classroom application having all the features like zoom

hello sir I've already done this project I've built my own webinar ios,android, windows 10 application that meets the all your requirements plus these features: 1- upload presentation, pdf, powerpoint, document, 2- create and publish poll during webinar 3- share external video also I've built a custom loadbalancer to host schools and universities up to 50000 student at the same time each server host up to 200-300 student but my server pool can host 50000 student at the same time (with efficient cost if you're using aws or Google cloud ) since you don't need to run all servers at the same time please contact me and I'll show my my own work also I can customize it for you best regards.

Hello, Greetings from Intevest , We have done similiar kind of work, you asked in requirement, lets chat, to discuss specific feature Hello, I’m Manish. We are team of 90 members, dedicated to serve every client, we work on weekend too for fast delivery of projects My skill set; Python, Angular, Vue, AI, AR, Android, React-Native, IOS, Objective C, phonegap, Iconic, golang, iot, php, hybrid app, unity games I’ve gone through your entire work description as you have mentioned. I’ve been dealing with potential clients for more than 9+ years from all over the world. I’ve been developing mobile applications for the past 7+ years. I’m very much interested in working with you. I look forward to hearing from you. Please feel free to contact me for any questions; I’m 24/7 available.

Dear Professionals Greetings from Navneet ! Hope everything is groovy at your end . I would like to introduce my self , I am Navneet Gupta with having experience of 7+ years in the same domain . we are a team multiple developers working on the project as it will save time - without jeopardizing quality.. I assure you that we can give you full satisfaction of work and give you best quality product . Kindly connect me on chat for more discussion . Note : I am new in this platform however I have an experience so please don’t hesitate to discuss with me . Thanks

Hi, I am highly experienced in website development. I have my own team with experienced skillset. We have already done the same kind of website for one of our clients. If you want I can modify the design and make it work for your needs. We have done more than 100 websites. We do take care of mobile applications. So We can complete your work in very short time period. Please let us know. Thanks.