Playment.io | SDE 2 | Interview Experience

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playment.io
SDE 22.2 yearsOffer
December 10, 202212 reads

Summary

I recently interviewed for an SDE 2 position at Playment.io, which is now part of Telus International AI Computer Vision. The process involved four rounds: an online coding assessment, a machine coding round, a low-level design discussion, and a final hiring manager interview, ultimately leading to a successful offer.

Full Experience

My interview journey for the SDE 2 role at Playment.io consisted of four distinct rounds. The initial phase was an online coding assessment, testing my algorithmic skills. This was followed by a machine coding round, where I had to implement a specific system design. The third round focused on low-level design, involving detailed discussions on API design and implementation for a system flow. Finally, I had a hiring manager round, which centered around my past projects and behavioral questions. I'm pleased to share that I received an offer for the position.

Interview Questions (4)

Q1
Move Element After Another in Array
Data Structures & Algorithms

Given an array of unique integers like [45, 32, 12, 78, 13]. An operation on the array is defined by a pair of positive integers (a, b) which means the number 'a' is moved to appear immediately after 'b'. For example, if the operation is (32, 13), the resulting array after the operation is [45, 32, 78, 13, 12].

Q2
Tic-Tac-Toe N*N with K Match
System Design

Design and implement a Tic-Tac-Toe game for an N*N board, where the winning condition is matching K cells instead of the usual three. This was a 1.5-hour machine coding round.

Q3
Low-Level Design for System Flow
System Design

Design one specific flow of their system, focusing on API design and implementation details. This was a 1-hour round.

Q4
Behavioral Questions and Project Discussion
Behavioral

The hiring manager round, lasting 30 minutes, involved detailed discussions about my past projects and mostly behavioral questions.

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