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DE Shaw Sdet Engineer Interview Questions and Answers

Updated 9 Oct 2024

DE Shaw Sdet Engineer Interview Experiences

3 interviews found

Interview experience
4
Good
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Sep 2024. There were 3 interview rounds.

Round 1 - Coding Test 

2 Coding questions - medium to hard

Round 2 - One-on-one 

(2 Questions)

  • Q1. Questions on scalable systems.
  • Q2. Medium level DSA questions.
Round 3 - One-on-one 

(2 Questions)

  • Q1. Questions on SQL
  • Q2. Implement LFU using OOPs concepts from scratch.
  • Ans. 

    Implement LFU cache using OOPs concepts

    • Create a class for LFU cache with methods like get, put, and remove

    • Use a hashmap to store key-value pairs and a hashmap to store frequency of each key

    • Implement a doubly linked list to store keys with the same frequency

  • Answered by AI

Skills evaluated in this interview

Sdet Engineer Interview Questions & Answers

user image Anonymous

posted on 25 Aug 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Jul 2024. There were 2 interview rounds.

Round 1 - Coding Test 

Binary Search & Dynamic Programming

Round 2 - Technical 

(2 Questions)

  • Q1. Explain Projects and queries regarding them
  • Ans. 

    Projects and queries involve understanding and working on various software projects and related inquiries.

    • Projects involve developing, testing, and maintaining software applications.

    • Queries may include troubleshooting issues, optimizing performance, and implementing new features.

    • Examples of queries include debugging a software bug, improving code efficiency, and integrating a new API.

  • Answered by AI
  • Q2. DSA questions like Backtracking

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare Well

Sdet Engineer Interview Questions Asked at Other Companies

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Q1. Tell me about the projects and knowledge on selenium api and etc?
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Q2. In this example, the internal data structure (std::vector) can be ... read more
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Q3. What do you mean by run time polymorphism and how is it achieved?
Q4. What reusable methods have been designed by you and their impact
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Sdet Engineer Interview Questions & Answers

user image Aditya Kumar

posted on 27 Jun 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
No response

I applied via Approached by Company and was interviewed in May 2024. There was 1 interview round.

Round 1 - Technical 

(1 Question)

  • Q1. Give a matrix find the longest strictly increasing path
  • Ans. 

    Use dynamic programming to find the longest strictly increasing path in a matrix.

    • Use dynamic programming to keep track of the longest increasing path ending at each cell.

    • Start from each cell and recursively explore all 4 directions to find the longest increasing path.

    • Update the length of the longest increasing path at each cell based on the maximum length from its neighbors.

  • Answered by AI

Skills evaluated in this interview

Interview questions from similar companies

Sdet Engineer Interview Questions & Answers

Blackrock user image Priyanshu Rathore

posted on 7 Jun 2024

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Job Portal and was interviewed before Jun 2023. There was 1 interview round.

Round 1 - Coding Test 

Array , strings linked list, dp

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-

I applied via Campus Placement and was interviewed in May 2024. There was 1 interview round.

Round 1 - Coding Test 

Hackerearth test 2 automata questions , 7 automata fix and 8 mcq

Interview Questionnaire 

4 Questions

  • Q1. Tell me about your internship, B.Tech project(BTP), CV
  • Q2. Implement LRU cache.
  • Ans. 

    Implement LRU cache

    • LRU stands for Least Recently Used

    • It is a cache eviction policy that removes the least recently used item

    • It can be implemented using a doubly linked list and a hash map

    • Newly accessed items are moved to the front of the list

    • When the cache is full, the item at the end of the list is removed

  • Answered by AI
  • Q3. What is virtual memory? Will we need virtual memory even if we have infinite amount of RAM?
  • Ans. 

    Virtual memory is a memory management technique that allows a computer to use more memory than it physically has.

    • Virtual memory uses a combination of RAM and hard disk space to store data.

    • It allows programs to use more memory than is physically available.

    • If a program tries to access memory that is not currently in RAM, it will be swapped in from the hard disk.

    • Even if we had infinite RAM, virtual memory would still be n...

  • Answered by AI
  • Q4. Given an array, Find out maximum length of subarray where max of subarray <= 2*min of subarray
  • Ans. 

    Find maximum length of subarray where max <= 2*min.

    • Iterate through array and keep track of max and min values.

    • Update max length when condition is met.

    • Time complexity: O(n)

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: No CPI cut off and It was open for all departments.

Round: Test
Experience: In muliple choice question Mostly questions were base on maths, probability, c programs, algorithms, Systems. If you are prepared then Questions were not that much tough. Keep strong concepts of Operating systems. For subjective part, Some problems were from maths proofs, some were from probability, some were from algo. We had to write algorithms. etc
Duration: 180 minutes

Round: Problem Statement
Experience: Questions were doable.

Round: Interview
Experience: Everyone was cool, They made me feel comfortable and then started asking questions.
Tips: If you have good rank in online coding competition, do mention it in CV.Most of the students think that GS asks only probability-puzzles. They did not asked me any question on probability or puzzle. Everything they asked was based on Algorithms problems and Operating system. I think it depends on team for which they are hiring. Most important point is don’t lose hope because you have low CPI or you are not good at something. Keep Operating systems fundamental concepts strong.

General Tips: We should balance in Placement and Compititive online coding. Keep in mind Placements and Compititive online coding are some what different things. Keep on improving our mistakes on daily basis. I would strongly suggest you to do introspection daily it will help you to find out your weaknesses and strong points, where we are going wrong etc. There are two thing on which we shoud focus.1. Preparation (I have told everything requered for preparation).2. Get output of all hard work. How to keep our mind on 100% output while the actual exam(placement).For this, I used to go for physical exercise daily in the morning and medidate for 20-30 minutes. Along with exercise i used to do Sudarshan Kriya(Art of Living). Meditation has lot of power :).
Skill Tips: Keep your OS fundamentals strong. To improve codgin skills practice as many problems as you can. Regularly participate in online coding competitions it really helps to solve or approach any new problem. Many time instead of correct answer the approach to solve the problems is very important. How you think, How you approach the problem is checked in interview.
Skills: Coding Skills, Operating Systems , Problem solving skills
College Name: IIT Guwahati
Motivation: The name GS itself enogh for motivation.

Skills evaluated in this interview

I was interviewed before Mar 2021.

Round 1 - Face to Face 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Medium

Technical round with questions on DSA and OS.

  • Q1. 

    LRU Cache Design Problem Statement

    Design and implement a data structure for a Least Recently Used (LRU) cache that supports the following operations:

    • get(key) - Retrieve the value associated with the...
  • Ans. 

    Design and implement a Least Recently Used (LRU) cache data structure that supports get and put operations with a specified capacity.

    • Implement a doubly linked list to keep track of the order of keys based on their usage.

    • Use a hashmap to store key-value pairs for quick access and updates.

    • When a key is accessed or updated, move it to the front of the linked list to mark it as the most recently used.

    • When the cache reaches...

  • Answered by AI
  • Q2. 

    Maximum of All Subarrays of Size K

    Given an array of non-negative integers and an integer K representing the length of a subarray, your task is to determine the maximum elements for each subarray of size ...

  • Ans. 

    Find the maximum elements for each subarray of size K in a given array.

    • Iterate through the array and maintain a deque to store the indices of elements in decreasing order.

    • Pop elements from the deque that are out of the current window.

    • Keep track of the maximum element in each subarray of size K.

    • Return the maximum elements for each subarray.

  • Answered by AI
  • Q3. What is virtual memory?
  • Ans. 

    Virtual memory is a memory management technique that allows a computer to compensate for physical memory shortages by temporarily transferring data from RAM to disk storage.

    • Virtual memory allows programs to use more memory than is physically available on the system.

    • It helps in multitasking by allowing multiple programs to run simultaneously without running out of memory.

    • Virtual memory uses a combination of RAM and disk...

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAGoldman Sachs interview preparation:Topics to prepare for the interview - Coding Skills, Operating Systems , Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 5 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewRejected

Skills evaluated in this interview

I applied via Referral and was interviewed in Apr 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Sql based quedtion

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare continuously don't lose hope

I applied via Naukri.com and was interviewed before Oct 2019. There was 1 interview round.

Interview Questionnaire 

2 Questions

  • Q1. Normal php questions like overriding,overloading,traits,interface,abstarct class nothing else.. It was online but in 2016.
  • Q2. Go though those topic as they are very important and asked in most companies.

Interview Preparation Tips

Interview preparation tips for other job seekers - Read those topics and try to understand with example and doing on your own.Before entering Chetu prepare yourself that you may get fire anytime.Because hiring and firing is lot in Chetu but in terms of salary it is good.

Interview Questionnaire 

1 Question

  • Q1. Oops programming,SQL server Database
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DE Shaw Interview FAQs

How many rounds are there in DE Shaw Sdet Engineer interview?
DE Shaw interview process usually has 2 rounds. The most common rounds in the DE Shaw interview process are Technical, Coding Test and One-on-one Round.
What are the top questions asked in DE Shaw Sdet Engineer interview?

Some of the top questions asked at the DE Shaw Sdet Engineer interview -

  1. Give a matrix find the longest strictly increasing p...read more
  2. Implement LFU using OOPs concepts from scrat...read more
  3. Explain Projects and queries regarding t...read more

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DE Shaw Sdet Engineer Interview Process

based on 3 interviews

Interview experience

4.3
  
Good
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