Hello! I and my team can help you to setup a streaming server for live, VOD/Catchup for unlimited users. We have experience in similiar project. At this moment we are working on a big project that concerns VOD. This project developed on the basis NodeJS + MongoDB.
I am personally certified PHP developer with 15 years of experience.
In area of web development our main specialization is LAMP (Linux, Apache, MySQL, PHP) but we have experience with JavaScript, Python, React.js, Node.js and .NET stack of technologies either.