I applied through a recruiter. I interviewed at Amazon (Irvine, CA) in Jul 2020
Interview
On my first round of amazon ds interview. Got questions regarding amazon packages, deliveries. Then Got to the second round. But later told me I have to lower my level, which I refuse. Then my interview is stopped with amazon.
Interview questions [1]
Question 1
Let's say in package different types of pacel, some package will give a% broken, some package b% broken, how do do decide which one to pick. It is just simple compare two proportions with t-test.
There are three rounds in total. The process begins with a coding round, followed by the main interview loop, where you will meet the team and discuss technical skills, experience, and fit.
First round is fun, second round, which is also the final round involved 5 sessions, with different focus. For some sessions, not be able to present my story completely, time was tight, and interviewers were rushing.
Thrilled to have accepted the offer — the process was tougher than I expected. The first round was primarily technical, where I tackled an A/B testing design question that required detailed metrics and sample size calculations. Later, I faced a SQL query challenge focused on tracking customer purchases over consecutive months. Funny enough, I had spent quite some time on PracHub digging into similar case studies, which really helped me approach these problems confidently. The final round included behavioral questions, and I felt well-prepared overall.
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