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VELOTIO Technologies Interview Questions, Process, and Tips

Updated 16 Jan 2025

Top VELOTIO Technologies Interview Questions and Answers

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VELOTIO Technologies Interview Experiences

Popular Designations

22 interviews found

Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(7 Questions)

  • Q1. What is hoisting
  • Ans. 

    Hoisting is a JavaScript mechanism where variable and function declarations are moved to the top of their containing scope during compilation.

    • Variable declarations are hoisted to the top of their scope but not their initializations.

    • Function declarations are fully hoisted, meaning they can be called before they are declared.

    • Hoisting can lead to unexpected behavior if not understood properly.

  • Answered by AI
  • Q2. What is throttling
  • Ans. 

    Throttling is a technique used to control the rate at which a function is executed.

    • Throttling limits the number of times a function can be called over a specified period of time.

    • It helps in optimizing performance by preventing excessive function calls, especially in scenarios like scroll events or API requests.

    • Example: Throttling can be used to limit the rate at which a user can resize a window, ensuring smoother perfo

  • Answered by AI
  • Q3. What is debouncing
  • Ans. 

    Debouncing is a technique used to limit the number of times a function is called in a short period of time.

    • Debouncing is often used in scenarios like search bars where you want to wait for the user to finish typing before making an API call.

    • It involves setting a delay before executing a function after the last time it was called.

    • Debouncing helps in optimizing performance by reducing unnecessary function calls.

    • Example: ...

  • Answered by AI
  • Q4. What is event coupling
  • Ans. 

    Event coupling is the dependency between different parts of a system based on events.

    • Event coupling occurs when one component triggers an event that another component listens for.

    • It can lead to tight coupling between components, making the system harder to maintain.

    • Reducing event coupling can be achieved by using a centralized event bus or implementing a pub/sub pattern.

    • Example: A button click event in a UI component t

  • Answered by AI
  • Q5. Remove duplicates from array
  • Ans. 

    Use Set to remove duplicates from array of strings

    • Create a Set from the array to automatically remove duplicates

    • Convert the Set back to an array to get unique values

    • Example: const arr = ['apple', 'banana', 'apple', 'orange']; const uniqueArr = [...new Set(arr)];

  • Answered by AI
  • Q6. Reverse a Linked List
  • Ans. 

    Reverse a linked list by changing the direction of pointers

    • Create three pointers: prev, current, next

    • Iterate through the linked list, updating pointers to reverse the direction

    • Return the new head of the reversed linked list

  • Answered by AI
  • Q7. Explain closure function with an example
  • Ans. 

    Closure function is a function defined inside another function, with access to the outer function's variables.

    • Closure functions have access to the outer function's variables even after the outer function has finished executing.

    • They can be used to create private variables and functions in JavaScript.

    • Example: function outerFunction() { let outerVar = 'I am outer'; function innerFunction() { console.log(outerVar); } retur

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - I got a call from recruiter and we scheduled one-on-one interview. For the hoisting question, I explained that hoisting is behavior where all declarations are moved on top. But the interviewer was outright rude and told that is an answer given by someone who doesn't know JS and not experienced person. Not accepting an answer and asking to explain in detail is one thing but calling out on candidates and mocking is outright rude. I got similar rude replies for other questions.
In ds round, for removing duplicates from array, I was using standard two pointer solution where complexity was 'N' but I was asked why such complicated solution for simple question. I was advised to use hashmap or two loops. First time in my experience where an interviewer has told me to increase the complexity because the optimized solution looks complex.
For the second question - reverse a linked list, it was not even 10 minutes and I was about to finish my coding with right answer(He did not even bother to ask how I solutionized). He told I'm taking too much time and he asked any other question and abruptly ended the call. My interview was scheduled for one hour in which he asked couple of js concept questions, js coding and two dsa questions and it was over in 35 minutes.

Skills evaluated in this interview

Top VELOTIO Technologies React Js Frontend Developer Interview Questions and Answers

Q1. Explain closure function with an example
View answer (1)

React Js Frontend Developer Interview Questions asked at other Companies

Q1. 1. What is difference between abstract class and interface ?
View answer (1)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Dec 2024. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Javascript Coding test Med level
Round 2 - Technical 

(1 Question)

  • Q1. Technical questions

Senior Software Engineer Interview Questions asked at other Companies

Q1. K Largest Elements Problem Statement You are given an integer k and an array of integers that contain numbers in random order. Write a program to find the k largest numbers from the given array. You need to save them in an array and return ... read more
View answer (1)

Interview Questions & Answers

user image Anonymous

posted on 10 Oct 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Questions were around Javascript, React and basic pragmatic coding round

Round 2 - Technical 

(2 Questions)

  • Q1. What are promises.
  • Ans. 

    Promises are objects representing the eventual completion or failure of an asynchronous operation.

    • Promises are used in JavaScript to handle asynchronous operations.

    • They can be in one of three states: pending, fulfilled, or rejected.

    • Promises can be chained together using .then() to handle success and failure.

    • They help avoid callback hell and make asynchronous code more readable.

    • Example: Fetching data from an API returns...

  • Answered by AI
  • Q2. What are event loop.
  • Ans. 

    Event loop is a mechanism in programming that allows for asynchronous execution of code by continuously checking for and handling events.

    • Event loop is commonly used in JavaScript to handle asynchronous operations like setTimeout, setInterval, and AJAX requests.

    • It allows for non-blocking I/O operations, ensuring that the program can continue running while waiting for I/O operations to complete.

    • Event loop works by contin...

  • Answered by AI
Round 3 - Coding Test 

Small algorigthmic problem

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I was interviewed in Aug 2024.

Round 1 - Coding Test 

Coding test on java full stack

Round 2 - HR 

(2 Questions)

  • Q1. Explain about classes
  • Ans. 

    Classes are blueprints for creating objects in object-oriented programming. They define properties and behaviors.

    • Classes are templates for creating objects with similar properties and behaviors.

    • They can have attributes (variables) and methods (functions).

    • Classes can inherit properties and behaviors from other classes through inheritance.

    • Example: Class 'Car' can have attributes like 'color' and methods like 'drive'.

  • Answered by AI
  • Q2. What is string in java?
  • Ans. 

    A string in Java is a sequence of characters used to represent text.

    • Strings are objects in Java and are immutable, meaning their values cannot be changed once they are created.

    • Strings can be created using double quotes, like "Hello, World!", or by calling the String constructor.

    • String concatenation can be done using the '+' operator, like "Hello" + "World".

    • Common methods for manipulating strings include length(), charA...

  • Answered by AI

Softwaretest Engineer Interview Questions asked at other Companies

Q1. What is boundary value analysis? How do u perform boundary value testing for User ID & Password textfields in login page?
View answer (2)

VELOTIO Technologies interview questions for popular designations

 Software Engineer

 (5)

 Software Testing Engineer

 (2)

 Senior Software Engineer

 (2)

 React Js Frontend Developer

 (2)

 Senior Engineer

 (1)

 Technical Lead

 (1)

 Senior Data Engineer

 (1)

 Backend Developer

 (1)

Backend Developer Interview Questions & Answers

user image Prabhat Ranjan

posted on 24 Apr 2024

Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
-

I applied via Referral and was interviewed in Mar 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Find the nearest palindrome number for the given number.
  • Ans. 

    To find the nearest palindrome number for a given number, we can increment or decrement the number until we find a palindrome.

    • Start by checking if the given number is a palindrome. If it is, then it is the nearest palindrome number.

    • If the given number is not a palindrome, increment or decrement the number and check if the new number is a palindrome.

    • Repeat the process until a palindrome number is found. The closest pali...

  • Answered by AI
  • Q2. Find the common prefix for a given list of strings.
  • Ans. 

    Find the common prefix for a given list of strings.

    • Iterate through the characters of the first string and compare with the corresponding characters of other strings.

    • Stop when a mismatch is found or when reaching the end of the shortest string.

    • Return the common prefix found.

  • Answered by AI

Skills evaluated in this interview

Backend Developer Interview Questions asked at other Companies

Q1. Vertical Order Traversal of a Binary Tree Given a binary tree, your task is to return the vertical order traversal of its nodes' values. For each node located at a position (X, Y), its left child will be at (X-1, Y-1) and its right child wi... read more
View answer (1)

Get interview-ready with Top VELOTIO Technologies Interview Questions

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

I applied via Naukri.com and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Questions around current project
  • Q2. Pyspark technical interview with one coding assignment

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare for pyspark code

Senior Data Engineer Interview Questions asked at other Companies

Q1. Write a query to get the customer with the highest total order value for each year, month. [Note: Order table is different and Customer table is different. Order_ID and Customer_ID are the PK of the table with Oid from Customer table being ... read more
View answer (2)

Jobs at VELOTIO Technologies

View all
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Sep 2023. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Multiple Questions on basics of JS and react
Round 2 - Technical 

(1 Question)

  • Q1. This was in depth discussion on JS and react

Top VELOTIO Technologies React Js Frontend Developer Interview Questions and Answers

Q1. Explain closure function with an example
View answer (1)

React Js Frontend Developer Interview Questions asked at other Companies

Q1. 1. What is difference between abstract class and interface ?
View answer (1)
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Not Selected

I applied via Hackerearth and was interviewed in May 2023. There were 4 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Assignment 

10 MCQ + 2 DSA based problem( Arrays,Stack)

Round 3 - Technical 

(2 Questions)

  • Q1. Asking about my experience journey (java,springboot),sql questions,1 dsa problem
  • Q2. Matrix based problem
Round 4 - Technical 

(3 Questions)

  • Q1. Asking about my experience in depth.Giving some questions and how to handle this situation .write a full code including java,springboot,mysql, 1 dsa problem
  • Q2. What is springboot,orm,jpa
  • Ans. 

    Spring Boot is a framework for building Java-based enterprise applications. ORM stands for Object-Relational Mapping, used to map objects to database tables. JPA is Java Persistence API, a standard for ORM in Java.

    • Spring Boot is a framework that simplifies the development of Java-based enterprise applications.

    • ORM (Object-Relational Mapping) is a programming technique for converting data between incompatible type system...

  • Answered by AI
  • Q3. Write sql query according to question
  • Ans. 

    SQL query to find the total number of orders placed by each customer

    • Use GROUP BY clause to group orders by customer

    • Use COUNT() function to count the number of orders

    • Join the orders table with the customers table to get customer information

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepared your resume,Goods skills in problem solving

Skills evaluated in this interview

Associate Software Engineer Interview Questions asked at other Companies

Q1. Triplets with Given Sum Problem Given an array or list ARR consisting of N integers, your task is to identify all distinct triplets within the array that sum up to a specified number K. Explanation: A triplet is a set {ARR[i], ARR[j], ARR[k... read more
View answer (2)
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(2 Questions)

  • Q1. Tell me about yourself
  • Q2. Tell me about your projects

Senior Software Engineer Interview Questions asked at other Companies

Q1. K Largest Elements Problem Statement You are given an integer k and an array of integers that contain numbers in random order. Write a program to find the k largest numbers from the given array. You need to save them in an array and return ... read more
View answer (1)
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Job Portal

Round 1 - Technical 

(2 Questions)

  • Q1. What's does the useCallback and usememo in react ?
  • Ans. 

    useCallback and useMemo are hooks in React used for performance optimization.

    • useCallback is used to memoize a function and prevent unnecessary re-renders.

    • useMemo is used to memoize a value and prevent unnecessary re-computations.

    • Both hooks are used to optimize performance by reducing unnecessary re-renders and re-computations.

    • useCallback is useful when passing down functions to child components.

    • useMemo is useful when c...

  • Answered by AI
  • Q2. What's difference between async await and promise ?
  • Ans. 

    Async/await is a syntactic sugar over Promises in JavaScript.

    • Async/await makes asynchronous code look and behave like synchronous code.

    • Promises are objects that represent the eventual completion or failure of an asynchronous operation.

    • Async/await is easier to read and write than Promises.

    • Async/await can only be used in functions that are marked as async.

    • Promises can be used anywhere in the code.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare for coding fundamentals and development related stuff before interview.

Skills evaluated in this interview

Software Engineer Interview Questions asked at other Companies

Q1. Bridge and torch problem : Four people come to a river in the night. There is a narrow bridge, but it can only hold two people at a time. They have one torch and, because it's night, the torch has to be used when crossing the bridge. Person... read more
View answer (197)

VELOTIO Technologies Interview FAQs

How many rounds are there in VELOTIO Technologies interview?
VELOTIO Technologies interview process usually has 2-3 rounds. The most common rounds in the VELOTIO Technologies interview process are Technical, One-on-one Round and Coding Test.
How to prepare for VELOTIO Technologies 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 VELOTIO Technologies. The most common topics and skills that interviewers at VELOTIO Technologies expect are Python, Machine Learning, SQL, Javascript and Product Engineering.
What are the top questions asked in VELOTIO Technologies interview?

Some of the top questions asked at the VELOTIO Technologies interview -

  1. How you handle difficult situations in software developme...read more
  2. Array Subsets A Object is given , flat it with the prefix it's key. Reduce poly...read more
  3. Design game if cards and write a code to distribute cards and all other functio...read more
How long is the VELOTIO Technologies interview process?

The duration of VELOTIO Technologies interview process can vary, but typically it takes about less than 2 weeks to complete.

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VELOTIO Technologies Interview Process

based on 17 interviews

Interview experience

3.6
  
Good
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VELOTIO Technologies Reviews and Ratings

based on 39 reviews

4.6/5

Rating in categories

4.5

Skill development

4.3

Work-life balance

4.5

Salary

4.6

Job security

4.5

Company culture

4.2

Promotions

4.2

Work satisfaction

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