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Optimal Virtual Employee Mern Full Stack Developer Interview Questions and Answers
Optimal Virtual Employee Mern Full Stack Developer Interview Experiences
1 interview found
Anonymous
I applied via Naukri.com and was interviewed in Feb 2024. There were 2 interview rounds.
(1 Question)
- Q1. New es6 features, difference between regular and arrow functions, difference between promises and async/await, implementation of time-complexity in javascript context, et.
- Ans.
ES6 features, arrow functions, promises vs async/await, time complexity in JavaScript.
ES6 features include arrow functions, template literals, destructuring, spread/rest operators, etc.
Arrow functions have a more concise syntax and do not bind their own 'this' value.
Promises are objects representing the eventual completion or failure of an asynchronous operation.
Async/await is a syntactic sugar for working with promise...
Multiple choice, fullstack, and few algorithm problems.
Skills evaluated in this interview
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Interview questions from similar companies
I applied via Job Portal and was interviewed before Apr 2021. There was 1 interview round.
(1 Question)
- Q1. Solid principles in c#
- Ans.
Solid principles are a set of design principles for writing maintainable and scalable code in C#.
Single Responsibility Principle (SRP) - a class should have only one reason to change
Open/Closed Principle (OCP) - a class should be open for extension but closed for modification
Liskov Substitution Principle (LSP) - derived classes should be substitutable for their base classes
Interface Segregation Principle (ISP) - client...
Interview Preparation Tips
Skills evaluated in this interview
I applied via Company Website and was interviewed in Oct 2018. There was 0 interview round.
Interview Preparation Tips
You need to stay calm and should apply presence of mind. Please go through the job description thoroughly word-by-word and recheck your resume to ensure that you are a best-fit for the position.
Skills: Communication, Body Language, Problem Solving, Leadership, Presentation Skills
Duration: <1 week
I applied via LinkedIn and was interviewed before Dec 2020. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. What's is different between c and c++
- Ans.
C++ is an extension of C with object-oriented programming features.
C++ supports object-oriented programming while C does not.
C++ has classes and templates while C does not.
C++ has better support for function overloading and default arguments.
C++ has a standard library that includes many useful functions.
C++ allows for both procedural and object-oriented programming.
C++ is generally considered to be a more complex langu
Interview Preparation Tips
Skills evaluated in this interview
I applied via Company Website and was interviewed before Jun 2021. There were 4 interview rounds.
How to clear aptitude test
How to clear coding test
(1 Question)
- Q1. How to clear technical round
(1 Question)
- Q1. How to clear HR round
Interview Preparation Tips
- Python
I applied via Naukri.com and was interviewed before Jul 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. Mostly Technical related to Python, OOPS, Multithreading, Django architecture etc
Interview Preparation Tips
Interview Questionnaire
1 Question
- Q1. What is meant by javascript closure? And why do we use it?
- Ans.
A closure is a function that has access to its outer function's variables, even after the outer function has returned.
A closure is created when a function is defined inside another function.
It allows for private variables and functions in JavaScript.
Closures are used for data hiding, encapsulation, and creating modules.
Example: function outer() { var x = 10; function inner() { console.log(x); } return inner; } var clos
Skills evaluated in this interview
I was interviewed before Nov 2020.
(2 Questions)
Round duration - 90 minutes
Round difficulty - Medium
Timing was around 10am
It was quite a normal online examination kind of environment
People from the company were there to invigilate
All were quite nice and helpful in case the exam got stuck
- Q1.
Ninja and Alien Language Order Problem
An alien dropped its dictionary while visiting Earth. The Ninja wants to determine the order of characters used in the alien language, based on the given list of wor...
- Ans.
Determine the order of characters in an alien language based on a list of words.
Create a graph data structure to represent the relationships between characters in the words.
Perform a topological sort on the graph to find the order of characters.
Return the smallest lexicographical order of characters as the result.
- Q2.
Check Duplicate Within K Distance
Given an array of integers
arrof sizeNand an integerK, determine if there are any duplicate elements within a distance ofKfrom each other in the array. Return"true... - Ans.
Check if there are any duplicate elements within a distance of K from each other in the array.
Iterate through the array and keep track of the indices of elements using a hashmap.
For each element, check if it already exists in the hashmap within distance K.
Return true if a duplicate is found within distance K, otherwise return false.
(1 Question)
Round duration - 30 minutes
Round difficulty - Medium
Timing was 2pm when it started
Interviewer was polite
- Q1.
Kth Largest Element Problem Statement
Ninja enjoys working with numbers, and Alice challenges him to find the Kth largest value from a given list of numbers.
Input:
The first line contains an integer 'T... - Ans.
The task is to find the Kth largest element in a given list of numbers for each test case.
Read the number of test cases 'T'
For each test case, read the number of elements 'N' and the Kth largest number to find 'K'
Sort the array in descending order and output the Kth element
Round duration - 20 minutes
Round difficulty - Easy
Timing was 9 am onwards
Interviewer was good enough
Interview Preparation Tips
Tip 1 : Focus on specialization of any one skill and keep a basic knowledge of all the skills you mention in your resume
Tip 2 : Gain confidence in presenting yourself by practicing well before
Tip 3 : Gain a basic knowledge of the company you go for selection
Tip 1 : Resume should be simple and precise but pretty smart to cover your skills
Tip 2 : Mention what you really know,no false things
Skills evaluated in this interview
I applied via Walk-in and was interviewed before Sep 2019. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. 1.Technical Ques(OOPS Concept)and 2. Area of Interest 3. About Company 4. more
Interview Preparation Tips
Sharing some tips while facing Interview Assessment or GD Round Assessment.
1. Be Confident always give the answer what they ask for, Never connect your answer with different topic.
2. Always go through Company Portal or wiki about their Operation & Function.
3. Always have positive vibes that whatever yes or No, You will surely gain something.
All the Best..!!
I applied via Campus Placement and was interviewed before Sep 2021. There was 1 interview round.
(1 Question)
- Q1. Java and spring based questions.
Interview Preparation Tips
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Optimal Virtual Employee Mern Full Stack Developer Interview Process
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