What is it like to work at a startup?

Over the last few years scientific startups have become increasingly important players across many research fields, offering new options for careers in science. As this is a relatively new career path, those of us considering it often have one big question: "What is it like to work at a startup?". In this talk I give my own answer to it, drawing on my experience of more than five years working on photonic quantum computing at PsiQuantum and highlighting some of the most important learnings I got along the way.