I am launching a Wordpress eCommerce platform in the form of a marketplace to sell courses, appointments and events... what are the security and scalability challenges do I need to look at? Using Wordpress, Buddypress, custom events and courses plugins.. any advice on where I can hire talent?
Security is challenge in wordpress if you are using anything from the market. Most of the themes & plugins do get the job done by at the end of it also leave your website vulnerable to attacks.
I would recommend using custom developed website for such purpose & get a 3rd party security testing done before you go live so that you ensure atleast the regular known attacks are taken care of.