Pros: Company is very dynamic and has a start-up culture which really helps with innovation. Your opinions are heard and the challenges are very interesting to work on.

Cons: There are no major cons so far.

Pros: Great communication; • They listen to feedback and act on it • They are transparent — you can ask anything and you'll get an answer We discuss and come to a decision and stand by that decision even if we still disagree. We welcome further discussions later if there are new arguments to be made. Interesting high-scale problems; • Still growing and hiring

Cons: Growing quickly, and there is lots of tribal knowledge that is hard to obtain. The engineering onboarding process might as well not exist. It is difficult to get visibility into other projects.

Pros: - Klaviyo is an ambitious, exciting company that has a lot going on right now. - You learn so much, very quickly, and get to work with new, exciting technologies. You definitely become a better engineer working here. - You are given a lot of ownership and can shape the direction of the product. - You work with ambitious, smart, supportive people.

Cons: Klaviyo can be very demanding due to its high ambitions, which can lead to longer hours.