After the outbreak of Covid19, it is getting clear that freelancers hardly want to return to their 9-to-5 office routine. These are platforms where freelancers and businesses can collaborate. You have probably heard about Upwork, which is the biggest and most popular freelance marketplace. This article is dedicated to the process of building a website like Upwork. We will discuss such terms as a value proposition and revenue model. Also, you will find out what features your platform should have and what tech stack you need to build them.