'Coding has over 700 languages', '67% of programming jobs aren’t in the technology industry', 'Coding is behind almost everything that is powered by electricity'
D.E.Shaw interview experience Real time questions & tips from candidates to crack your interview
SDE - Intern
D.E.Shaw
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2 rounds | 4 Coding problems
Interview preparation journey
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Journey
I started my preparation in the early days of my college when I started practicing the leetcode and the code studio problems. In the end, I have done more than 300 questions on the leetcode platform.
Application story
I applied to this company throw the on-campus opportunity as this company always visit my college for hire.
Why selected/rejected for the role?
I was rejected because i was not able to explain all the concept with the correct accuracy.
Preparation
Duration: 4 months
Topics: Data Structures, Algorithms, Object Oriented Programming, Time Complexity, Programming Language Implementation
Tip
Tip

Tip 1 : For an intern position in any big company, the most important thing is practicing data structures. Solve as many questions as you can on platforms like Coding Ninjas. First start picking up questions topic-wise and once you gain a decent confidence in every topic, start hitting harder questions randomly on various platforms. (Practice a minimum of 300 questions).
Tip 2 : If you are stuck at solving any question, instead of looking up for a code solution try to read discussions and see various approaches people are applying. This will surely make you prepared for the way in which the interviews are designed. Always keep a clock ticking while solving a problem as spending too much time while practicing surely makes you slow in the Online Tests and Interviews.
Tip 3 : Again specifically for internship preparation, focus mainly on the subjects that have been taught to you till now. As in many colleges Database Management, Operating Systems and Computer Networks are not taught till the 4th semester so you could easily focus on subjects in your curriculum. OOPS concepts are very important!

Application process
Where: Campus
Eligibility: 7 CGPA for CS, 8 CGPA for ECE and EE
Resume Tip
Resume tip

Tip 1 : In On-Campus internship drives it is generally not required to have a very charming resume with a load of projects as the companies understand the candidate as a 4th semester student. 
Tip 2 : But still if there is even a single decent project genuinely build by the student then it is more than sufficient.

Interview rounds
01
Round
Medium
Online Coding Interview
Duration90 minutes
Interview date2 Aug 2020
Coding problem3

It was conducted in the evening at around 7:00 p.m.
The hackerrank environment is clearly the best for conducting coding exams as it provides a decent interface for debugging and testing purposes.
There were 3 questions- 1 of easy level and 2 of medium level.

1. Pythagorean Triplets
Moderate
35m average time
70% success
0/80
Asked in companies
OYOFlipkartAmazon
Try solving now
2. Ways to arrange balls
Hard
40m average time
50% success
0/120
Asked in companies
GeeksforGeeksD.E.ShawFord Motor Company
Try solving now
3. LCS of three strings
Hard
45m average time
50% success
0/120
Asked in companies
UberD.E.Shaw
Problem approach
Try solving now
02
Round
Easy
Video Call
Duration60 minutes
Interview date5 Aug 2020
Coding problem1

The round was conducted on CodePair platform which provides a IDE along with a video call for interviews.
There were 2 interviewers and both were friendly.
I was first asked about the various subjects I have studied in my curriculum. Then I was asked about my favourite programming language to which I answered Python.
After this, they asked various confusing questions based on function calling, argument passing and pass by object reference concept in Python. 
Then they asked about the implementation of dictionary in Python and wanted me to design one with the help of lists(arrays) and optimize its search, add and delete operations. (Could be done with hashing and probing).
Then they asked questions from subjects like Computer Architecture and Theory of Computation (Basic questions were asked so you should just remember the key topics in the subject).

1. Delete a Node from Linked List
Moderate
40m average time
67% success
0/80
Asked in companies
MyntraOLX GroupOptum
Problem approach
Try solving now
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