I applied through a recruiter. The process took 4 weeks. I interviewed at Amazon (Seattle, WA) in Jan 2020
Interview
Interviewed for the BI engineer role in Seattle. Reached out to a recruiter on LinkedIn after which I had my first phone interview which was a live coding exercise. They were mainly looking for data engineers but calling out BI engineers.
Interview questions [1]
Question 1
Q1) Find the number of unique days each employee worked
Emp Id Task Id Start date End date
1 1 Monday Wednesday
1 2 Monday Tuesday
1 3 Friday Friday
2 1 Monday Friday
2 1 Tuesday Wednesday
Hint: Calendar day table or date dimension table
Calendar_day Calendar_day_of_week Calendar_year Calendar_month
1900/01/01 Wednesday (3) 1990 1
Q2) How many customers placed orders every month?
Table 1: Customer
Date customer_id order_id units country
2019/07/01 A 112 5 US
2019/07/02 A 211 4 US
2019/08/02 B 511 4 EU
2019/09/01 C 322 1 JP
2019/09/01 C 322 2 JP
2019/08/05 A 378 6 US
2019/09/10 A 456 7 US
Interview focused on analytical thinking and case studies. Main focus was on the leadership principles. First interview was a phone interview that covered a few basic questions and SQL coding. The loop had 4 rounds.
Interview questions [1]
Question 1
What is the difference between inner and left join?
The interview process was smooth and conversational. The interviewer was calmly asking questions about my previous work experiences and listened patiently. He even gave me ample time to frame my answers.
Interview questions [1]
Question 1
1. Tell me about your previous work experience.
2. Asked few SQL questions
few rounds of interviews ranging between technical and conversational. Mostly in the form of " tell a story of time where ..." to show how you relate to amazon LPs
