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Zolo Software Developer Intern Interview Questions and Answers
Zolo Software Developer Intern Interview Experiences
1 interview found
Aryan Kaushal
Selected
I applied via Campus Placement and was interviewed in Nov 2022. There were 4 interview rounds.
(3 Questions)
- Q1. Basic DSA problem and SQL based questions
- Q2. What is Indexing in database
- Ans.
Indexing is a technique used to improve the performance of database queries by creating a data structure that allows for faster data retrieval.
Indexing involves creating a separate data structure that contains a subset of the data in the database, organized in a way that makes it easier to search and retrieve.
Indexes can be created on one or more columns in a table, and can be either clustered or non-clustered.
Clustere...
- Q3. Basic concepts of unique keys
(1 Question)
- Q1. DSA problem to print prime number using recursion
- Ans.
Print prime numbers using recursion
Define a recursive function that takes a number as input
Check if the number is prime or not
If it is prime, print it and call the function again with the next number
If it is not prime, call the function again with the next number
Stop the recursion when the desired number of prime numbers have been printed
(1 Question)
- Q1. Tell me one incident where you failed to complete your task
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
(1 Question)
- Q1. It was based on dynamic programming
Interview Preparation Tips
I applied via campus placement at Indian School of Mines (ISM), Dhanbad and was interviewed before Nov 2023. There were 2 interview rounds.
2 questions on Hackerearth leetcode medium to hard level
(1 Question)
- Q1. 2 Technical Interview First round they asked 2 easy questions one of map and other of stack second round they asked LRU Cache and Kadane's algorithm
Interview Preparation Tips
I was interviewed in Feb 2021.
Round duration - 24 hours
Round difficulty - Medium
(2 Questions)
Round duration - 120 Minutes
Round difficulty - Medium
It was a Data Structures and Algorithm Round and Discussion on My assignment round to check my Problem Solving Skills.
And the Interviewer was very friendly to me. I first introduced myself to the interviewer and what did I have done in past as a Software Engineer and Why I want to work in Grofers.
- Q1. Top View Of The Tree
You are given a Binary Tree of integers. You are supposed to return the top view of the given binary tree. The Top view of the binary tree is the set of nodes that are visible when we ...
- Ans. Using Pre-Order Traversal
As we know that all three traversals, i.e. pre-order, in-order and post-order, visit the tree node at once. We can use any of them. Here we are going to use pre-order traversal for the explanation. So while traversing in the pre-order traversal, we will keep track of horizontal distance of the node which is going to be visited from the root node, and we also keep track of the vertical level of ...
- Q2. Maximum Possible Time
Given an array/list ‘ARR’ having 4 integer digits only. The task is to return the maximum 24 hour time that can be formed using the digits from the array.
Note:
The minimum time in... - Ans. Maximum Possible Time
Approach:
- The basic idea is that we will iterate over all the permutations of the 4 digits and check whether we are able to form a valid 24 Hr format time. If so we will then also find the maximum possible time.
- Here we will use the ‘NEXT_PERMUTATION’ method to find all the permutations.
Algorithm:
- There are two conditions for valid 24 Hr format time:
- The first two digits i.e the hour should be le...
Interview Preparation Tips
Tip 1 : Practise Data Structures and Algorithms as much as you can on daily basis. Don't Fix numbers in your head, but practise as much as you can from all topics on daily basis.
Tip 2 : Give Programming Contests on a Daily basis. As it helps you to think of any particular problem in the fixed time frame.
Tip 3 : For Mastering DP, Learn From Aditya Verma Youtube Playlist and apply around 100 questions for solving any DP problem.
Tip 4 : Also Learn Computer Science theory subject once a week so that you will have a deep understanding of the particular subject since many interviews grind on CS theory subjects like OS, DBMS and Networks
Tip 5 : Make at least 2-3 Projects in any technology you like maybe Web Development or Android Development. It shows that you have some experience in Development and the company don't need to waste time on you for teaching frameworks.
Tip 6 : If you have time learn some System Design and learn how to design any system from end to end. Especially learn about designing a database of any application. In many interviews, the interviewer asks to design an application from end to end. So if you have some practice, then you can easily clear this type of rounds.
Tip 1 : Always attached your Project links in your resume. As it seems your project is genuine and you are confident in showing your projects
Tip 2 : Don't add unnecessary things in your resume which are not related to the job, like your 10th class winning tournament certificate or managing a college society. These things didn't create any impact on your profile and takes an unnecessary space in your resume.
Tip 3 : Always make a 1-page resume. If you are making more than 1 page then it means you have added a lot of unnecessary information which are not related to the job profile.
Tip 4 : Always show your Project and Past experience on top, just after your basic info and education. Since these are the things which should be on top to showcast the skills.
Skills evaluated in this interview
The exam duration is one and a half hours.
The total exam time is one and a half hours.
It encompasses all topics related to full stack development.
(2 Questions)
- Q1. Asks questions on SQL
- Q2. Asks question in typical topics
(1 Question)
- Q1. Where do you see yourself in two years?
- Ans.
In two years, I see myself as a senior software developer leading a team on innovative projects.
Advancing to a senior software developer role
Leading a team on new and innovative projects
Continuing to enhance my technical skills through ongoing learning and training
khushi kalra
I applied via LinkedIn and was interviewed in Aug 2024. There were 3 interview rounds.
It was an online assessment. Some coding questions. Some cs fundamental mcqs. SQL query, Rest Api question.
An assignment to create a game using nodejs/ go lang/ java.
(2 Questions)
- Q1. Discussion related to Assignment. Told some changes and told to add some more functionalities.
- Q2. Some APIS were given. It was case study. You had to show the dishes to a customer according to his preferences.
Jash Doshi
I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
(1 Question)
- Q1. 2 code and 2 MySQL query
Selected
I was interviewed in Jul 2024.
2 Graph question of leetcode
(2 Questions)
- Q1. DSA Questions of leetcode
- Q2. DSA Questions
I applied via Company Website and was interviewed in Jun 2024. There was 1 interview round.
Implement your own state management in React and integrate it into a React application.
Software Development Engineer Interview Questions & Answers
RentoMojo
Anonymous
posted on 31 Oct 2024
Selected
I applied via Referral and was interviewed before Oct 2023. There were 3 interview rounds.
This round was a mix of Easy/Medium Coding Questions and core concepts.
This round included deep discussions around Node.js, Database Queries and backend development.
(2 Questions)
- Q1. Discussions around my previous works?
- Q2. How much salary expectation I have?
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