Upload Button Icon Add office photos
Engaged Employer

i

This company page is being actively managed by Coding Ninjas Team. If you also belong to the team, you can get access from here

Coding Ninjas Verified Tick

Compare button icon Compare button icon Compare

Filter interviews by

Clear (1)

Coding Ninjas Software Engineer Interview Questions, Process, and Tips

Updated 15 Oct 2023

Top Coding Ninjas Software Engineer Interview Questions and Answers

Coding Ninjas Software Engineer Interview Experiences

2 interviews found

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before Oct 2022. 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 Resume tips
Round 2 - Assignment 

Implement login with Google SSO, show emails in a single place

Round 3 - One-on-one 

(4 Questions)

  • Q1. How to implement JWT
  • Ans. 

    JWT can be implemented by generating a token with user information and a secret key, then verifying the token using the same secret key.

    • Generate a JWT token with user information and a secret key

    • Include necessary claims like expiration time, issuer, etc.

    • Verify the JWT token using the same secret key

    • Handle token expiration and refresh if needed

  • Answered by AI
  • Q2. Please read about it on the internet, do take care of public and private key use
  • Q3. Middleware in express, how to create one?
  • Ans. 

    Middleware in Express is a function that has access to the request and response objects.

    • Create a middleware function using app.use() method in Express.

    • Middleware functions have access to the request object (req), the response object (res), and the next middleware function in the application's request-response cycle.

    • Example: app.use((req, res, next) => { console.log('This is a middleware function'); next(); });

  • Answered by AI
  • Q4. Read about it on the internet
Round 4 - One-on-one 

(6 Questions)

  • Q1. Discussed about guards in Angular
  • Q2. Read about it on the internet
  • Q3. How does lazy loading work in Angular
  • Ans. 

    Lazy loading in Angular delays loading of modules until they are needed

    • Lazy loading helps improve performance by only loading modules when they are required

    • It is achieved by using the loadChildren property in the route configuration

    • Lazy loaded modules are loaded asynchronously when the user navigates to the corresponding route

  • Answered by AI
  • Q4. Read about lazy loading in Angular
  • Q5. How to enable SSR in Angular
  • Ans. 

    Server-side rendering (SSR) in Angular can be enabled by using Angular Universal.

    • Install Angular Universal using Angular CLI

    • Create a new Angular Universal project

    • Update app.module.ts to include server-side rendering

    • Build and run the Angular Universal project

  • Answered by AI
  • Q6. Read about Angular Universal for this

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare Angular concepts, DSA and Ruby on Rails concepts for the round

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Jul 2022. There were 3 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 Resume tips
Round 2 - Coding Test 

It was on hacker rank

Round 3 - Aptitude Test 

It was a aptitude test taken by me of the new and all the response and the of new

Interview Preparation Tips

Topics to prepare for Coding Ninjas Software Engineer interview:
  • MySQL
  • YourSql
  • Analytics
Interview preparation tips for other job seekers - if the coin and the new off the medium and new if you add me in the data and of the suer

Software Engineer Interview Questions Asked at Other Companies

asked in Qualcomm
Q1. Bridge and torch problem : Four people come to a river in the nig ... read more
asked in Capgemini
Q2. In a dark room,there is a box of 18 white and 5 black gloves. You ... read more
asked in TCS
Q3. Find the Duplicate Number Problem Statement Given an integer arra ... read more
Q4. Tell me something about yourself. Define encapsulation. What is i ... read more
asked in Paytm
Q5. Puzzle : 100 people are standing in a circle .each one is allowed ... read more

Interview questions from similar companies

I applied via Job lever and was interviewed before Sep 2021. There were 2 interview rounds.

Round 1 - Coding Test 

Easy leetcode code 2 questions , HTML5 css javascript simple screen design

Round 2 - One-on-one 

(1 Question)

  • Q1. Oop, Simple coding javascript, react basic, sql basic

Interview Preparation Tips

Interview preparation tips for other job seekers - Take it easy and go with confidence which matters most
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Company Website and was interviewed before Jul 2023. There was 1 interview round.

Round 1 - Coding Test 

Interview was problem solving

I applied via LinkedIn and was interviewed in May 2021. There was 1 interview round.

Interview Questionnaire 

1 Question

  • Q1. Basic questions of the tech stack that I applied for.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare for the technologies you apply and just be confident because they want hire someone who is confident know at least basics of the tech stack.
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Job Portal and was interviewed before Nov 2023. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Question on Binary trees: if symmetric, easy string question using hashmap
  • Q2. If we are hosting a live test how to show real time ranking, HLD for this and what algorithms can we use
Round 2 - Technical 

(1 Question)

  • Q1. Database schema design for a feature where user can be free, gold, platinum.
  • Ans. 

    Use a user table with a column for user type (free, gold, platinum)

    • Create a user table with columns for user ID, name, email, user type

    • Use a separate table for user types with columns for type ID and type name

    • Establish a one-to-many relationship between user and user type tables

    • Example: user table - user_id, name, email, type_id; user_type table - type_id, type_name

  • Answered by AI
Round 3 - Technical 

(1 Question)

  • Q1. HLD for live rank dashboard for a live test where millions of users are doing test
  • Ans. 

    High-level design for a live rank dashboard for a live test with millions of users.

    • Use a scalable architecture to handle millions of users concurrently.

    • Implement real-time data processing to update ranks dynamically.

    • Utilize caching mechanisms to improve performance and reduce load on the database.

    • Design a user-friendly interface with intuitive data visualization.

    • Include features for filtering, sorting, and searching to

  • Answered by AI

Skills evaluated in this interview

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 120 minutes
Round difficulty - Easy

It was a mix of mathematical aptitude, logical ability, and puzzles along with 2 programming questions of easy and medium level. Time was enough and no sectional time was present. 1-2 MCQs on SQL were also present.

This round was immediately followed by an SHL aptitude test which was basically a quick limited time check of your verbal ability and math because many questions were to be done in 1 hour.

  • Q1. 

    Boolean Matrix Transformation Challenge

    Given a 2-dimensional boolean matrix mat of size N x M, your task is to modify the matrix such that if any element is 1, set its entire row and column to 1. Specifi...

  • Ans. 

    Modify a boolean matrix such that if any element is 1, set its entire row and column to 1.

    • Iterate through the matrix and mark rows and columns to be modified

    • Use additional arrays to keep track of rows and columns to be modified

    • Update the matrix in-place based on the marked rows and columns

  • Answered by AI
Round 2 - Video Call 

Round duration - 60 minutes
Round difficulty - Easy

It was an online video interview round on HackerEarth with simultaneous code option. It was mostly justifying your resume in the first 15 minutes. After that OOPS was majorly asked. Basics of programming including questions on STL were asked. A class which required inheritance was asked by the interviewer to write. I was helped by the interviewer if i got stuck somewhere, Some questions on implementation of hashmaps and priority queues were also asked. A puzzle was asked which luckily struct to me at that moment.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Dronacharya College of Engineering. I applied for the job as Software Engineer in DelhiEligibility criteria7 CGPAToppr interview preparation:Topics to prepare for the interview - DBMS, OOPS, Data structures, Dynamic Programming, Graphs, Algorithms, Sorting searching, Compiler designTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Never give up
Tip 2 : When u start a topic, don't move on to next topic before you are 100% confident in previous topic
Tip 3 : Try to give maximum time on basics of a topic especially OOPS
Tip 4 - Practice Atleast 250 Questions
Tip 5 - Ex- Do atleast 2 projects

Application resume tips for other job seekers

Tip 1 : Write only those things in resume in which you are 100% confident
Tip 2 : Write maximum projects you have and be ready to explain them thoroughly
Tip 3 : Don't make any silly spelling mistakes on resume

Final outcome of the interviewSelected

Skills evaluated in this interview

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

Coding test around front end using react

I was interviewed before May 2021.

Round 1 - Video Call 

(2 Questions)

Round duration - 60 Minutes
Round difficulty - Easy

It was an coding round

  • Q1. 

    The Skyline Problem

    Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette when viewed from a distance. Each building is ...

  • Ans. 

    Compute the skyline of given rectangular buildings in a 2D city, eliminating hidden lines and forming the outer contour of the silhouette.

    • Iterate through the buildings and create a list of critical points (x, y) where the height changes.

    • Sort the critical points based on x-coordinate and process them to form the skyline.

    • Merge consecutive horizontal segments of equal height into one to ensure no duplicates.

    • Return the fin...

  • Answered by AI
  • Q2. 

    Rat in a Maze Problem Statement

    You need to determine all possible paths for a rat starting at position (0, 0) in a square maze to reach its destination at (N-1, N-1). The maze is represented as an N*N ma...

  • Ans. 

    Find all possible paths for a rat in a maze from source to destination.

    • Use backtracking to explore all possible paths in the maze.

    • Keep track of visited cells to avoid revisiting them.

    • Recursively try moving in all directions (up, down, left, right) until reaching the destination.

    • Return a list of strings representing valid paths sorted in alphabetical order.

  • Answered by AI
Round 2 - HR 

Round duration - 30 Minutes
Round difficulty - Easy

It was an HR round with some general questions. it was just for formality.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAupgrad interview preparation:Topics to prepare for the interview - Data Structures, Pointers, OOPS, System Design, Algorithms, Dynamic ProgrammingTime required to prepare for the interview - 3 MonthsInterview preparation tips for other job seekers

Tip 1 : Stay focused
Tip 2 : Practice coding questions.
Tip 3 : View previous interviews of the companies

Application resume tips for other job seekers

Tip 1 : Don't lie on resume
Tip 2 : Just write in format that is catchy

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Concepts of node and Js
Contribute & help others!
anonymous
You can choose to be anonymous

Coding Ninjas Interview FAQs

How many rounds are there in Coding Ninjas Software Engineer interview?
Coding Ninjas interview process usually has 3-4 rounds. The most common rounds in the Coding Ninjas interview process are Resume Shortlist, One-on-one Round and Coding Test.
How to prepare for Coding Ninjas 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 Coding Ninjas. The most common topics and skills that interviewers at Coding Ninjas expect are Angularjs, Full Stack, RDBMS, SQL and Startup.
What are the top questions asked in Coding Ninjas Software Engineer interview?

Some of the top questions asked at the Coding Ninjas Software Engineer interview -

  1. Middleware in express, how to create o...read more
  2. How does lazy loading work in Angu...read more
  3. How to enable SSR in Angu...read more

Recently Viewed

INTERVIEWS

Visteon

No Interviews

INTERVIEWS

Maersk

No Interviews

INTERVIEWS

Daikin

No Interviews

INTERVIEWS

MyWays

No Interviews

INTERVIEWS

UnifyApps

No Interviews

INTERVIEWS

Visteon

No Interviews

SALARIES

Visteon

INTERVIEWS

Maersk

No Interviews

LIST OF COMPANIES

Coding Ninjas

Locations

INTERVIEWS

Coding Ninjas

No Interviews

Tell us how to improve this page.

Coding Ninjas Software Engineer Interview Process

based on 2 interviews

Interview experience

4.5
  
Good
View more
Coding Ninjas Software Engineer Salary
based on 15 salaries
₹5 L/yr - ₹16 L/yr
20% more than the average Software Engineer Salary in India
View more details
Teaching Assistant
138 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Relationship Manager
29 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Operations Associate
26 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Admission Counsellor
19 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Program Manager
16 salaries
unlock blur

₹0 L/yr - ₹0 L/yr

Explore more salaries
Compare Coding Ninjas with

upGrad

3.7
Compare

Simplilearn

3.2
Compare

Unacademy

3.0
Compare

BYJU'S

3.1
Compare
Did you find this page helpful?
Yes No
write
Share an Interview