Changing jobs frequently is usually considered to be a sin for a professional programmer. Recruiters don't like that and to leave just a few places in the resume, to look more "loyal." However, this is not true for freelancers, who by definition change projects frequently. That's why their resumes have to look very different and recruiters and project managers have to be ready to read them differently.

The full video is here: https://www.youtube.com/watch?v=31xOLs-DqTo