I only know of the first technical interview, which is done over the phone.
During this interview, someone from HR, with no technical background, asks an assortment of software engineering questions. These include queries such as:
The interviewer will not clarify anything. Questions tend to be about specific values famous in computer science, commands from languages, runtimes, and names of algorithms.
What is the largest value of an unsigned integer?
The following metrics were computed from 280 interview experiences for the Yelp Software Engineer role in United States.
Yelp's interview process for their Software Engineer roles in the United States is extremely selective, failing the vast majority of engineers.
Candidates reported having very good feelings for Yelp's Software Engineer interview process in United States.