Too Long; Didn't Read
There are opportunities in all kinds of tech companies, especially if your are an engineer. If you don’t really pay attention, you only hear about the big ones, because they make sure to capture most of the attention even though they only represent a fraction of the available jobs. Also, even in 2018, some people argue than joining a startup is <em>uncertain</em> if not <em>dangerous</em> for your career.