Pros
Awesome Tech Stack, Learn & Work with cutting edge technology, Interact with some of the better minds in IT, Explore tools & technology to solve a problem better, Encouragement to look for something more optimal, Most importantly solve tomorrow's problems( make smart cities smarter, make connected cars better, make content delivery better through AI etc etc)
Cons
Every coin has 2 sides, if it doesn't; well.. it is most likely not a coin. What I am suggesting is not necessarily a con but is open to perspective.
The journey of this product startup is a thrilling one. Every thrilling adventure has its upside & downside.