Pros:

• Business and engineering leaders left a great impression. This company is an incredible opportunity for the right people.
• Exceptional office.
• Perfect engineering team size for the stage of the company.

Cons:

• Ultimately, it wasn't a mutual fit with the role they needed to fill and my interests. I'd recommend this company to any fullstack engineer.
• Some red flags in the offer. In phone calls the 409a numbers were buried among highly aspirational scenarios and in the offer letter packet the benefits are phrased in a weird way (eg "100% 401k match [...] up to $x" where x is not competitive). These wouldn't be issues for me if they were just explained honestly.
• The recruiting team seemed a little overwhelmed at times.

Hackerrank round: normal hackerrank problem.