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Dunzo Software Developer Interview Questions and Answers
Updated
24 May 2022
1 interview found
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CodingNinjas
I was interviewed in Jan 2022.
2 Interview Rounds
1
Video Call Round (2 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
It was strictly a DSA round where 2 coding problems asked from me.
- Q1. Distance Of Nearest Cell Having 1 In A Binary Matrix You have been given a binary matrix 'MAT' containing only 0’s and 1’s of size N x M. You need to fi...read more View Answers (4)
- Q2. Arithmetic Subarrays You are given an array ‘A’ of length ‘N’, you have to tell the number of arithmetic subarrays that exist in the array ‘A’. An Arithmetic su...read more View Answers (4)
2
Video Call Round (1 Question)
Round duration - 60 Minutes
Round difficulty - Medium
Again it was a DSA round.
- Q1. Maximum Coins You are given a two-dimensional matrix of integers of dimensions N*M, where each cell represents the number of coins in that cell. Alice and Bob h...read more View Answers (6)
Interview Preparation Tips
Professional and academic backgroundI applied for the job as SDE - 1 in BangaloreEligibility criteriaNoDunzo interview preparation:Topics to prepare for the interview - Data Structures like Trees, Linked Lists, Binary Search, DP, Graphs,OOPS, OS, DBMSTime required to prepare for the interview - 3 MonthsInterview preparation tips for other job seekers
Tip 1 : Read last year interview experiences of the company you apply for.
Tip 2 : In the last 2-3 days before your interview, just revise your concepts and problems.
Tip 1 : Keep it simple and clean. Don't make it flashy.
Tip 2 : Highlight your experiences and projects.
Skills evaluated in this interview
Top trending discussions
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Interview Tips & Stories
2w (edited)
a consultant
Alternate documents for Employee verification?
My new employer asked for my previous offer letters and salary slips. When I inquired, they said it was for background verification.
However, I feel that providing these documents might affect salary negotiations, and it feels a bit unethical too.
What alternative documents can I provide for employment verification?
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Interview questions from similar companies
Anonymous
Interview experience
Excellent
Difficulty level
Easy
Duration
Less than 2 weeks
Result
Not Selected
I applied via Approached by Company and was interviewed in Sep 2024.
1 Interview Round
1
One-on-one Round (2 Questions)
- Q1. Tree question dsa Add Answer
- Q2. Fibonacci sequence question Add Answer
Interview Preparation Tips
Interview preparation tips for other job seekers - Round 1 - Technical: The first round involved solving one tree-based question and one array-based question. I was also asked about object-oriented programming concepts, Git commands, and SQL queries. In addition, I faced questions based on my resume projects, and I was asked to explain the difference between a primary key and a unique key.
Round 2 - Technical: The second round focused more on system design and APIs. I was asked to explain the difference between PUT and POST in REST APIs, design the database schema of one of my projects, and discuss inheritance and access modifiers (public, private, protected). Git commands were also covered. A scenario-based question was presented: "How would you send an email to a million users, ensuring that if an email fails, the system retries sending it three times? If the retries fail, the system should move on to the next email. Additionally, if the system crashes after sending 1000-2000 emails, how would you ensure that upon restart, it resumes from where it left off without resending emails?"
The HR was friendly, clearly explained the next steps, and provided constructive feedback. Overall, it was a positive interview experience.
Round 2 - Technical: The second round focused more on system design and APIs. I was asked to explain the difference between PUT and POST in REST APIs, design the database schema of one of my projects, and discuss inheritance and access modifiers (public, private, protected). Git commands were also covered. A scenario-based question was presented: "How would you send an email to a million users, ensuring that if an email fails, the system retries sending it three times? If the retries fail, the system should move on to the next email. Additionally, if the system crashes after sending 1000-2000 emails, how would you ensure that upon restart, it resumes from where it left off without resending emails?"
The HR was friendly, clearly explained the next steps, and provided constructive feedback. Overall, it was a positive interview experience.
Chirag Varshney
Interview experience
Good
Difficulty level
-
Duration
-
Result
-
1 Interview Round
1
Technical Round (4 Questions)
- Q1. Explain Deadlock? Add Answer
- Q2. Explain Red Black Tree? Add Answer
- Q3. Find local minima in a 1-D array? Add Answer
- Q4. Find local minima in 2-D array? Add Answer
Interview experience
Good
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Not Selected
I applied via campus placement at Netaji Subhas Institute of Technology (NSIT) and was interviewed in Jul 2024.
4 Interview Rounds
1
Coding Test Round
It was a coding round where i need to solve 3 DSA Questions in 1.5 hour
2
Technical Round (2 Questions)
- Q1. This is Technical round where i was asked to implement the Two Question of Dsa one is bases on greedy and another is dp , another one is leetcode hard (finding ...read more Add Answer
- Q2. Greedy Q was direct i don't remember clearly. I was selected for the 2nd round Add Answer
3
One-on-one Round (1 Question)
- Q1. It was also a technical round but bases on LLD problem statement. I was given a problem statement to design a society security system and the they need psudo co...read more Add Answer
4
HR Round (1 Question)
- Q1. I was not selected for 4th round but heard that there were Q on cs fundamentals. Add Answer
Interview experience
Average
Difficulty level
-
Duration
-
Result
-
2 Interview Rounds
1
Technical Round (2 Questions)
- Q1. The question was about Nodejs Add Answer
- Q2. The question was to build a linked list in Nodejs Add Answer
2
Technical Round (2 Questions)
- Q1. The first question was related to DSA Add Answer
- Q2. The question was related to SQL Add Answer
Interview experience
Excellent
Difficulty level
-
Duration
-
Result
-
1 Interview Round
1
One-on-one Round (2 Questions)
- Q1. It was lld question to design a cab booking system. Add Answer
- Q2. Tell me about yourself Add Answer
Interview experience
Good
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Not Selected
I applied via Referral and was interviewed in Aug 2024.
2 Interview Rounds
1
One-on-one Round (2 Questions)
- Q1. Binary search for closest element View Answers (1)
- Q2. String manipulation Add Answer
2
Technical Round (1 Question)
- Q1. Low level Design for an online e-commerce website View Answers (1)
Interview Preparation Tips
Topics to prepare for Zepto Software Developer interview:
- DSA
- Design patterns
Skills evaluated in this interview
Aniket Dhamal
Interview experience
Good
Difficulty level
Easy
Duration
Less than 2 weeks
Result
Selected
I applied via Newspaper Ad and was interviewed in Jul 2024.
1 Interview Round
1
One-on-one Round (2 Questions)
- Q1. How was your previous organization View Answers (1)
- Q2. Please create timer using react View Answers (1)
Skills evaluated in this interview
Shaik Waseem
Interview experience
Excellent
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Not Selected
I applied via Approached by Company and was interviewed in Jul 2024.
2 Interview Rounds
1
Coding Test Round
Coding test with Java and dsa questions
2
Technical Round (2 Questions)
- Q1. Core Java Questions Add Answer
- Q2. Maximum subbarray Add Answer
Interview experience
Poor
Difficulty level
Moderate
Duration
Less than 2 weeks
Result
Not Selected
I applied via Referral and was interviewed in Apr 2024.
2 Interview Rounds
1
Technical Round (2 Questions)
- Q1. Code postorder traversal without using recursion. View Answers (1)
- Q2. Leetcode Problem 1626 - Best team with no conflicts. Add Answer
2
System Design Round (2 Questions)
- Q1. Design whatsapp with one to one, group messaging and read receipts functionalities. Design the database. View Answers (1)
- Q2. Questions on dbms, cn and os. Add Answer
Skills evaluated in this interview
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