'Coding has over 700 languages', '67% of programming jobs arenâ€™t in the technology industry', 'Coding is behind almost everything that is powered by electricity'
Atlassian interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
Atlassian
3 rounds | 7 Coding problems
Interview preparation journey
Preparation
Duration: 10 months
Topics: Operating System, DBMS, Data Structures and Algorithms , OOP , Computer Networks
Tip

Tip 1 : Never leave any topic from any chapter / Subject
Tip 2 : Learn to explain your thoughts well
Tip 3 : Learn from previous experiences / interviews / problems asked.
Tip 4 : Atleast 4 projects in Resume

Application process
Where: Campus
Eligibility: 8 CGPA
Resume tip

Tip 1 : Atleast 4 projects on Resume
Tip 2 : Do not write false things. You always get caught. Be genuine.

Interview rounds
01
Round
Hard
Online Coding Interview
Duration75 minutes
Interview date10 Aug 2020
Coding problem3

Coding Test with 3 problems. 1 Easy , 1 Medium , 1 Very Hard

1. Job Scheduling Problem
Moderate
15m average time
85% success
0/80

#### You are given a list of â€˜Nâ€™ jobs which has to be performed. Each job is associated with a deadline and a profit if the job is completed before the deadline. Each job takes one unit of time to co...

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Problem approach

Solved with Greedy + DP

I had solved very similar problem before. So it was easy for me

2. Spiral Order Traversal of a Binary Tree
Easy
20m average time
75% success
0/40

#### You have been given a binary tree of 'N' nodes. Print the Spiral Order traversal of this binary tree.

##### For example
``For the given binary tree [1, 2,...``
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Problem approach

Solved using brute force. All test case passed. I had solved many problems with dfs on trees before.

3. Goku and Dragon Balls
Moderate
35m average time
55% success
0/80

#### Goku has â€˜Nâ€™ Dragon Balls. Each Dragon Ball is unique with the ith Dragon Ball having â€˜iâ€™ stars on it. For example, the first Dragon Ball has 1 star, the second Dragon Ball has 2 stars, and so on.

<...
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Problem approach

I don't remember exact question, hard coded few visible test cases

02
Round
Hard
Video Call
Duration60 minutes
Interview date11 Aug 2020
Coding problem2

In depth questions on Subjects like OOP , DBMS , OS , Javascript.

1. Operating System

What is virtual memory. What are its uses. Different OS related problems, Indexing

Problem approach

Tip 1 : Be to the point
Tip 2 : Don't use book language
Tip 3 : Use examples

2. Java script

What is javascript, its uses, server client problems.

Problem approach

Tip 1 : Be to the point
Tip 2 : Don't use book language
Tip 3 : Use examples

03
Round
Hard
Video Call
Duration40 minutes
Interview date11 Aug 2020
Coding problem2

Questions on my resume, projects, internship done. Interviewer was a bit harsh on me.

1. System Design

Compiler design related questions, differences between Python and C in very depth.

Problem approach

Tip 1 : Be to the point

Tip 2 : Don't use book language

Tip 3 : Use examples

2. System Design

Low level vs High level language, kernel related questions

Problem approach

Tip 1 : Be to the point

Tip 2 : Don't use bookish language

Tip 3 : Use examples

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