You have to see for yourself, but my experience is that, it won't feel like creating. You'll be closely managed by the startup founder/CTO and will execute his

You have to see for yourself, but my experience is that, it won't feel like creating. You'll be closely managed by the startup founder/CTO and will execute his vision. It will be basically him creating something, with your brain and hands. Working in an super early stage startup felt nothing like a fun side project for me.