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Zomato Software Engineer Interview Questions and Answers
Updated
27 Sep 2024
Zomato Software Engineer Interview Experiences
1 interview found
Anonymous
Interview experience
Good
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Not Selected
I applied via Referral and was interviewed in Mar 2024. There was 1 interview round.
Round 1 - Coding Test
(2 Questions)
- Q1. Unique Paths (2d-dp)
- Q2. Flip any rows or columns at any time to make the sum of gird cells ofa provided square in a matrix should be minimum
- Ans.
To minimize the sum of grid cells in a square matrix, flip rows or columns as needed.
Identify the rows or columns with the highest values and consider flipping them to reduce the sum
Try different combinations of flipping rows and columns to find the minimum sum
Consider using dynamic programming or backtracking to efficiently explore all possible combinations
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Answered by
AI
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Interview questions from similar companies
test goyal
Interview experience
Average
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Selected
I was interviewed in Jan 2025.
Round 1 - Interview Questions
(20 Questions)
- Q1. Explain the difference between ArrayList and LinkedList in Java. When would you choose one over the other?
- Q2. What are the advantages and disadvantages of using Java’s synchronized keyword for thread synchronization? Can you explain how the ReentrantLock compares to synchronized?
- Q3. What is the difference between == and .equals() in Java? When should each be used, and what issues can arise from improper usage?
- Q4. How does the Java garbage collector work? Can you describe the different types of garbage collection algorithms available in Java?
- Q5. What are the main features of Java 8? Can you explain how lambdas and the Stream API have changed the way Java applications are written?
- Q6. Describe the differences between checked and unchecked exceptions in Java. Provide examples and explain how to handle them properly.
- Q7. What is the Java Memory Model, and how does it affect multithreading and synchronization? How does volatile help ensure memory visibility?
- Q8. Can you explain the difference between method overloading and method overriding in Java? Provide examples where each should be used.
- Q9. What are functional interfaces in Java? How do they work with lambda expressions? Provide an example of a custom functional interface.
- Q10. What is a Java Stream, and how does it differ from an Iterator? Explain how Streams can be used to process collections efficiently.
- Q11. Explain the concept of immutability in Java. How does the String class achieve immutability, and what are the advantages of immutable objects?
- Q12. What is the difference between final, finally, and finalize in Java? Provide examples to illustrate their usage.
- Q13. Explain the Singleton design pattern in Java. How can you implement it safely to ensure thread safety?
- Q14. What are Java annotations, and how are they used in frameworks like Spring? Explain the difference between built-in and custom annotations.
- Q15. How do Java Streams handle parallel processing? What are the potential pitfalls of using parallel streams, and how can they be mitigated?
- Q16. Explain the difference between ArrayList and LinkedList in Java. ArrayList is implemented as a dynamic array, while LinkedList is a doubly linked list. ArrayList provides fast random access (O(1) complexi...
- Q17. What are the advantages and disadvantages of using Java’s synchronized keyword for thread synchronization? The synchronized keyword ensures that only one thread can access a block of code at a time. It pr...
- Q18. What is the difference between == and .equals() in Java? == checks for reference equality, meaning it compares memory addresses. equals() checks for value equality, which can be overridden in user-defined...
- Q19. How does the Java garbage collector work? Garbage collection in Java automatically reclaims memory occupied by unused objects. The JVM has different types of GC algorithms, including Serial, Parallel, CMS...
- Q20. What are the main features of Java 8? Java 8 introduced lambda expressions, enabling functional-style programming. The Stream API allows efficient data processing with map, filter, and reduce operations. ...
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2021 01220
Interview experience
Good
Difficulty level
-
Process Duration
-
Result
-
I applied via Campus Placement
Round 1 - Coding Test
3 questions of dsa
1 of api
Round 2 - Technical
(1 Question)
- Q1. Graph based question to find the shortest path between 2 prime numbers by changing 1 digit at once and obtained number should be prime too.
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Interview Preparation Tips
Interview preparation tips for other job seekers - Prepare Thoroughly dsa foe 1st round
For 2nd round there was low level design
But I couldn't get to the 2nd round
For 2nd round there was low level design
But I couldn't get to the 2nd round
Interview experience
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Aptitude Test
Logical reasoning, Quantitative aptitude
Round 2 - Coding Test
Array,Strings,DSA concepts like searching algorithm
Interview experience
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test
It was a machine coding round
Round 2 - Technical
(2 Questions)
- Q1. Similar to the other question
- Q2. Give an array and an element sort the array with difference of that number to array elements
- Ans.
Sort an array of strings by the difference of a given element to each array element.
Iterate through the array and calculate the absolute difference between the given element and each array element.
Sort the array based on the calculated differences.
Return the sorted array.
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Answered by
AI
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Skills evaluated in this interview
Interview experience
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical
(2 Questions)
- Q1. React hooks implemetation
- Q2. Node event loop
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Interview Preparation Tips
Interview preparation tips for other job seekers - just brush up your basics.
DEEPAK MITTAL
Interview experience
Excellent
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response
I applied via Recruitment Consulltant and was interviewed in Aug 2024. There were 2 interview rounds.
Round 1 - Group Discussion
Data structures, theoretical quesiton, past project discussion.
Round 2 - Coding Test
Data structure medium problem asked in the interview
Interview experience
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test
Nice interview experience with easy questions
Round 2 - HR
(2 Questions)
- Q1. What are your projects
- Q2. What is the experience in tech
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NTG Boys
Interview experience
Excellent
Difficulty level
-
Process Duration
Less than 2 weeks
Result
Selected
I was interviewed before Sep 2023.
Round 1 - One-on-one
(2 Questions)
- Q1. Basic java understanding questions
- Q2. Few basic SQL questions and mongodb questions
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Interview Preparation Tips
Interview preparation tips for other job seekers - interviewer was polite and understood the knowledge of concepts.
Interview experience
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test
Online assessment, leet code easy
Round 2 - Coding Test
Live coding assessment, leet code medium
Round 3 - Aptitude Test
Behavioral asking on past experience
Zomato Interview FAQs
How many rounds are there in Zomato Software Engineer interview?
Zomato interview process usually has 1 rounds. The most common rounds in the Zomato interview process are Coding Test.
How to prepare for Zomato Software Engineer interview?
Go through your CV in detail and study all the technologies mentioned in your CV. Prepare at least two technologies or languages in depth if you are appearing for a technical interview at Zomato. The most common topics and skills that interviewers at Zomato expect are Apache Nifi, Backend, Data Structures and Algorithms, Database Design and Debugging.
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Zomato Software Engineer Interview Process
based on 2 interviews
Interview experience
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Zomato Software Engineer Reviews and Ratings
based on 8 reviews
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