I applied through a recruiter. The process took 2 weeks. I interviewed at Amazon (Seattle, WA) in Oct 2011
Interview
I was contacted by an Amazon recruiter after putting my resume up on Dice.com. Within a week a phone interview was scheduled. The phone interview took 45-50 minutes focusing entirely on technical questions. Within a day of the interview I was contacted to arrange a second phone interview. I received the following instructions when I first set up the interview:
This phone interview will be technical in nature and you should be prepared to answer questions related to the following:
Data Structures
Algorithms
Object Oriented Programming and Design (at Amazon we primarily use C++, Java, Perl, Ruby)
Problem Solving
Interview questions [2]
Question 1
Given two arrays, write a method to find their intersection?
Surprisingly easy — I expected tougher questions, but the coding round felt more like a warm-up. The main challenge was a DSA problem about counting islands in a 2D grid, which led to a discussion on DFS versus BFS and handling large grids. Funny enough, I had revisited that exact type of question while prepping on PracHub, which made me feel more confident. The interview wrapped up with a behavioral round, and I accepted an offer, but ultimately decided to decline it for another opportunity. Overall, it was a smooth experience.
Interview questions [1]
Question 1
Number of Islands — given a 2D grid of '1's (land) and '0's (water), count the number of connected islands. Walk through DFS vs BFS, and discuss how to avoid revisiting cells (in-place mutation vs visited set) and what changes if the grid is huge and must stream from disk.
It started with an OA, and then after a few weeks, I got invited to four rounds of interviews: technical and behavioral at 3 of the 4, and behavioral only at one.
Um teste de código online, se aprovado, vai para o loop. O loop é 4 entrevistas seguidas, duas em inglês e duas em português. 3 entrevistas técnicas de código, todas as 4 têm pergunta de liderança.
Interview questions [1]
Question 1
Pergunta historicas baseada nos principios de lideranca da amazon.