Delhivery interview experience Real time questions & tips from candidates to crack your interview
SDE - 2
Delhivery
3 rounds | 4 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 2 months
Topics: Data Structures,System Design,Low Level Design,Algorithms,Development related concepts
Tip 1 : Mention the tools and technologies you have worked on in the past work experience and deeply go through all those stuff once.Do not mention any extra tools and technologies in the resume on which you have not worked too much or in which you are not confident enough. Delhivery asks questions from your past work experiences
Tip 2 : Brush up your concepts of array,string,linkedlist,dynamic programming and tree from geeksforgeeks.Practice for the top array,string ,linked list and tree related questions.
And practice them on leet code as well because test cases on leet code are hard as compared to geeksforgeeks.
Tip 3 : Prepare for the system design related.Start from geeksforgeeks and youtube channel Gourav Sen for the basic conecpts of system design, then you can prepare from a paid course. and practice at least top system design questions like design Uber,instagram,twitter etc
Application process
Where: Naukri
Eligibility: No criteria
Tip 1 : Mention the projects you have worked in the past.
Tip 2 : do not mention any extra tools and technologies on which you are not confident enough
Interview rounds
01
Round
Medium
Video Call
Duration50 minutes
Interview date2 Jul 2021
Coding problem2
It was mixed of data structures and system design round
1. System Design Question
Design HLD for e-commerce delivery system and the database table structures for it in such a way that it is highly scalable
Problem approach
Tip 1:We should be good with fundamentals like LLD and HLD
Tip 2:We should be good at the database design and its basic concepts like normalisation,ACID properties,indexing. and sql vs nosql conecpts
Tip 3:We should be aware of horizontal scaling concepts like data sharding and table partitioning and should ask interviewer about the scale of system and any other constraints
2. Two Sum
Easy
10m average time
90% success
0/40
Asked in companies
You are given an array of integers 'ARR' of length 'N' and an integer Target. Your task is to return all pairs of elements such that they add up to Target.
Note:
We cannot use the element at a given index twice.
Follow Up:
Try to do this problem in O(N) time complexity.
Problem approach
Firstly I approached it with a brute force approach with 2 loops and found that the number
Then I tried another approach
I initialized an empty hash table.
Did following for each element A[i] in A[]
If s[x – A[i]] is set then print the pair (A[i], x – A[i])
Insert A[i] into s.
02
Round
Medium
Video Call
Duration60 Minutes
Interview date15 Jul 2021
Coding problem1
It was a system design round with engineering manager
1. System Design Question
Given a large excel sheet in which there are source and destinations as columns and rows respectively and cells corresponding to it are empty.We have to make a service which will compute the distances between source and destinations given in the sheet.Sheet can have lakhs of rows and columns
Problem approach
Tip 1:We should be good with fundamentals like LLD and HLD
Tip 2:We should be good at database,caching,asynchronous task processing,multi threading concepts
Tip 3:We should ask any assumptions,constraints,external services used in the system and the scale of the system as well
03
Round
Easy
HR Round
Duration20 Minutes
Interview date21 Jul 2021
Coding problem1
It was basically an HR round with the senior director HR of Delhivery
1. Basic HR questions
Why do you want to join Delhivery?
Why are you leaving your current organisation?
what are your strong points and weak points?
Are you currently leading a team or some members in your current organization?
How often do you miss project deadlines
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
How do you remove whitespace from the start of a string?
Choose another skill to practice
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