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WITS Innovation Lab Interview Questions, Process, and Tips

Updated 18 Feb 2025

Top WITS Innovation Lab Interview Questions and Answers

WITS Innovation Lab Interview Experiences

Popular Designations

7 interviews found

Interview experience
2
Poor
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I was interviewed in Jan 2025.

Round 1 - One-on-one 

(2 Questions)

  • Q1. How can two arrays be sorted in O(n) time complexity? Note that the interviewer did not provide any explanation.
  • Q2. Intermediate sql questions

Interview Preparation Tips

Interview preparation tips for other job seekers - The interviewer was rude and seemed to be in a hurry; she did not introduce herself, chose not to share her camera, and had an unfriendly tone.

Java Developer Interview Questions asked at other Companies

Q1. Sort 0 and 1 Problem Statement Given an integer array ARR of size N containing only integers 0 and 1, implement a function to sort this array. The solution should scan the array only once without using any additional arrays. Input: The firs... read more
View answer (3)

Sdet Lead Interview Questions & Answers

user image Anonymous

posted on 25 Oct 2024

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

(2 Questions)

  • Q1. Tell me about yourself
  • Ans. 

    Experienced SDET Lead with a passion for automation testing and improving software quality.

    • Over 8 years of experience in software testing and test automation

    • Strong expertise in leading testing teams and implementing best practices

    • Proficient in various testing tools and technologies such as Selenium, JUnit, and TestNG

    • Proven track record of successfully delivering high-quality software products

    • Passionate about continuous...

  • Answered by AI
  • Q2. Diff betweeen cse and it
  • Ans. 

    CSE focuses on computer science and engineering principles, while IT focuses on the practical application of technology in business settings.

    • CSE involves the study of algorithms, data structures, and computer architecture.

    • IT involves the implementation and management of technology systems in organizations.

    • CSE professionals typically work on developing new technologies, while IT professionals focus on using existing tec

  • Answered by AI

Sdet Lead Interview Questions asked at other Companies

Q1. write a palindrome program without using any in-build method. if there are 500 test cases and need to run only 50 test cases, then how to approach and do it? what is the framework used in your project? how will you handle if a team member w... read more
View answer (1)
WITS Innovation Lab Interview Questions and Answers for Freshers
illustration image
Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Javascript simple questions
  • Q2. What are Promise
  • Ans. 

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

    • Promises are used to handle asynchronous operations in JavaScript.

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

    • Promises can be chained together using .then() method.

    • They help in avoiding callback hell and writing cleaner asynchronous code.

  • Answered by AI
Round 2 - Coding Test 

Change key value in nested object key is provided

Round 3 - Technical 

(2 Questions)

  • Q1. What is Prototype
  • Ans. 

    Prototype is an object that is associated with every functions and objects by default in JavaScript.

    • Prototype is used to add new properties or methods to existing objects or functions.

    • It allows objects to inherit properties and methods from other objects.

    • Changing the prototype of an object affects all instances of that object.

  • Answered by AI
  • Q2. What's middle ware
  • Ans. 

    Middleware is software that acts as a bridge between different applications or components, allowing them to communicate and interact with each other.

    • Middleware is used to handle tasks such as authentication, logging, error handling, and more in web applications.

    • It can modify incoming requests, outgoing responses, or both.

    • Examples of middleware in Node.js include Express.js middleware like body-parser and morgan.

  • Answered by AI

Skills evaluated in this interview

Node JS Developer Interview Questions asked at other Companies

Q1. 2. What are the main modules of Node.js? Explain in detail.
View answer (3)
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Question on DSA and basic flutter questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare problem solving

Flutter Developer Interview Questions asked at other Companies

Q1. Write the code on paper how to intigrate the api in your flutter app?
View answer (2)

WITS Innovation Lab interview questions for popular designations

 Sdet Lead

 (1)

 Software Engineer

 (1)

 Node JS Developer

 (1)

 Business Development Executive

 (1)

 Software Developer

 (1)

 Java Developer

 (1)

 Flutter Developer

 (1)

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

(1 Question)

  • Q1. What has been your experience in your current role?
  • Ans. 

    I have successfully identified and pursued new business opportunities, resulting in significant revenue growth.

    • Identified potential clients through market research and networking

    • Developed and maintained relationships with key stakeholders

    • Negotiated contracts and closed deals to meet sales targets

    • Implemented strategies to increase market share and expand client base

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - It's an excellent opportunity to begin your career.

Business Development Executive Interview Questions asked at other Companies

Q1. scenario based: if I am a teacher in a government school and my child is getting +90% marks, then why should i buy byjus course
View answer (14)
Interview experience
1
Bad
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. All simple questions which u have mentioned in ur CV and 1 coding problem

Interview Preparation Tips

Interview preparation tips for other job seekers - Don’t t waste ur time by giving interview here, interviewer doesn’t know how to interact with the candidate ,
he will just ask u some questions which he has already noted down and doesn’t even care what u r answering, if it is pre planed to reject the candidates then ur answer will be thrown to dustbin,

in my case I answered almost questions asked by interviewer but he dint even listen so i got rejected

Software Developer Interview Questions asked at other Companies

Q1. Maximum Subarray Sum Problem Statement Given an array of integers, determine the maximum possible sum of any contiguous subarray within the array. Example: Input: array = [34, -50, 42, 14, -5, 86] Output: 137 Explanation: The maximum sum is... read more
View answer (42)

Jobs at WITS Innovation Lab

View all
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via LinkedIn and was interviewed before Nov 2023. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. High Order Functions
  • Q2. What are closures
  • Ans. 

    Closures are functions that have access to their own scope, as well as the scope in which they were defined.

    • Closures can access variables from their outer function even after the outer function has finished executing.

    • Closures can be used to create private variables in JavaScript.

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

  • Answered by AI
Round 2 - HR 

(2 Questions)

  • Q1. Why do you want to join us?
  • Q2. Salary Discussion

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 (203)

Interview questions from similar companies

Interview Questionnaire 

2 Questions

  • Q1. What is precompilaion unit?
  • Ans. 

    Precompilation unit is a compiled code that can be reused by multiple source files.

    • Precompilation unit is created by the compiler from the source code.

    • It contains the compiled code of header files and other dependencies.

    • It can be reused by multiple source files, reducing compilation time.

    • It is also known as precompiled header or PCH.

    • Example: stdafx.h in Visual Studio is a precompiled header file.

  • Answered by AI
  • Q2. About ur future,ur short term goal,why this company

Interview Preparation Tips

Skills: Resume, CGPA
College Name: IIT Kharagpur

Interview Questionnaire 

3 Questions

  • Q1. First 50 Prime Number
  • Ans. 

    The first 50 prime numbers are...

    • Start with 2, the first prime number

    • Check each odd number greater than 2

    • Use trial division to check if a number is prime

    • Stop when you have found 50 prime numbers

  • Answered by AI
  • Q2. How to sort the file in the range (hint provided)
  • Ans. 

    Sorting a file within a range

    • Use a sorting algorithm like quicksort or mergesort

    • Read the file and store the data in an array or list

    • Sort the array or list within the given range

    • Write the sorted data back to the file

  • Answered by AI
  • Q3. Tell me about yourself
  • Ans. 

    I am a passionate software engineer with experience in developing web applications using various technologies.

    • Experienced in developing web applications using HTML, CSS, JavaScript, and frameworks like React and Angular

    • Proficient in backend development with Node.js, Express, and MongoDB

    • Familiar with version control systems like Git and project management tools like Jira

  • Answered by AI

Interview Preparation Tips

Round: Resume Shortlist
Experience: Shortlist cut was 0.0 cgpa
Tips: Need to mention Programming skill in any one of three language C , C++ ,Java

Round: Test
Experience: Test was Average, Many question were from INDIABIX.COM , computer network, operating system ,data structure, c , c++ language
Tips: Understand Data Structure and Algorithm deeply, At least read about computer networks, operating system , DBMS 3-4 times for basic good understand, refer various site
Duration: 180 minutes

Round: Test
Experience: Two question were given , we have to write the code on A4 size sheet
Tips: Deep understanding of STACK AND QUEUE
Duration: 60 minutes

Round: Technical Interview
Experience: Previous Test (2 Questions on A4 size sheet) were discussed and is there any improvement that can be done, discussed each and every step.
Tips: Comments is important using programming
present with demo example (various cases)

Round: HR Interview
Experience: Be calm and show your interest in the company,
ask question about company, what are activity other than techincal technical stuff
Tips: Smile , if possible talk in Hindi - English,Try to Make the interview in discussion

General Tips: Practice Daily , Understand Each and Every Step in Detail , Try to code in A4 size paper then computer
Skill Tips: Read Good Books , Practice Daily

Skills: Algorithms And Data Structures
College Name: IIT Kharagpur

Skills evaluated in this interview

Interview Questionnaire 

19 Questions

  • Q1. Tell me about yoruself
  • Ans. 

    I am a passionate software engineer with experience in developing web applications and a strong background in computer science.

    • Experienced in developing web applications using technologies such as HTML, CSS, JavaScript, and React

    • Strong background in computer science with knowledge in algorithms and data structures

    • Passionate about learning new technologies and solving complex problems

  • Answered by AI
  • Q2. Tell me about your projects
  • Ans. 

    I have worked on various projects including a web application for inventory management and a mobile app for fitness tracking.

    • Developed a web application using React for inventory management

    • Created a mobile app using Flutter for fitness tracking

    • Implemented RESTful APIs for communication between frontend and backend systems

  • Answered by AI
  • Q3. Area of interest
  • Ans. 

    My area of interest is artificial intelligence and machine learning.

    • I have experience in developing machine learning models for predictive analytics.

    • I am interested in natural language processing and computer vision applications.

    • I enjoy exploring deep learning algorithms and neural networks.

    • I have worked on projects involving recommendation systems and image recognition.

  • Answered by AI
  • Q4. What are features of C++?
  • Ans. 

    C++ is a high-level programming language with features like object-oriented programming, templates, and memory management.

    • C++ supports object-oriented programming concepts like encapsulation, inheritance, and polymorphism.

    • Templates allow generic programming and code reusability.

    • C++ provides low-level memory manipulation through pointers.

    • Standard Template Library (STL) provides a collection of classes and functions for ...

  • Answered by AI
  • Q5. What is Big Data?
  • Ans. 

    Big Data refers to large and complex data sets that cannot be processed using traditional data processing methods.

    • Big Data is characterized by the 3Vs - Volume, Velocity, and Variety.

    • It requires specialized tools and technologies such as Hadoop, Spark, and NoSQL databases.

    • Examples of Big Data include social media data, sensor data, and financial market data.

  • Answered by AI
  • Q6. Write a program for reversing a string without using string function
  • Ans. 

    Program to reverse a string without using string function

    • Iterate through the string from end to start and append each character to a new string

    • Use a loop to swap the first and last characters, then move towards the middle until the entire string is reversed

    • Convert the string to a character array, then swap the first and last elements until the entire array is reversed

  • Answered by AI
  • Q7. What is your role in final year project?
  • Ans. 

    I was responsible for designing and implementing the project's database and backend functionality.

    • Designed the database schema and created the necessary tables

    • Implemented the backend functionality using Java and Spring framework

    • Collaborated with team members to integrate the frontend and backend components

    • Tested the application and fixed any bugs or issues that arose

    • Presented the project to the faculty and received pos

  • Answered by AI
  • Q8. What are keys in database and why do we use them?
  • Ans. 

    Keys in a database are unique identifiers used to establish relationships between tables and ensure data integrity.

    • Keys are used to uniquely identify records in a database table.

    • Primary keys are used to uniquely identify each record in a table.

    • Foreign keys establish relationships between tables.

    • Keys help enforce data integrity and maintain consistency in the database.

    • Examples of keys include primary keys, foreign keys,

  • Answered by AI
  • Q9. What are issues in cloud?
  • Ans. 

    Issues in cloud include security, downtime, vendor lock-in, and data privacy.

    • Security concerns such as data breaches and unauthorized access

    • Downtime and service interruptions affecting business operations

    • Vendor lock-in and limited flexibility in choosing cloud providers

    • Data privacy and compliance with regulations such as GDPR and HIPAA

  • Answered by AI
  • Q10. Brief introduction of your project and algorithms used in project
  • Ans. 

    Developed a web application for online shopping using React and Node.js

    • Implemented user authentication and authorization using JSON Web Tokens (JWT)

    • Used MongoDB as the database to store user and product information

    • Implemented a search feature using Elasticsearch to provide fast and accurate search results

    • Integrated Stripe payment gateway for secure online transactions

  • Answered by AI
  • Q11. Flow diagram of final year project
  • Ans. 

    The flow diagram of my final year project showcases the step-by-step process of its execution.

    • The flow diagram illustrates the sequence of activities and their dependencies.

    • It helps in understanding the overall structure and logic of the project.

    • Each step in the diagram represents a specific task or action.

    • Arrows indicate the flow of control or data between different steps.

    • Decision points are represented by diamond-sha...

  • Answered by AI
  • Q12. Why do we normalise our database?
  • Ans. 

    Normalisation reduces data redundancy and improves data integrity in a database.

    • Prevents data duplication and inconsistencies

    • Simplifies database maintenance and updates

    • Improves query performance

    • Enforces data integrity and consistency

    • Follows best practices for database design

    • Examples: breaking down a customer table into separate tables for orders, addresses, and payments

    • Examples: creating a separate table for product ca...

  • Answered by AI
  • Q13. Tell me about yourself
  • Ans. 

    I am a passionate software engineer with experience in developing web applications and a strong background in computer science.

    • Experienced in developing web applications using technologies like HTML, CSS, JavaScript, and React

    • Strong background in computer science with knowledge of algorithms and data structures

    • Familiar with agile development methodologies and version control systems like Git

  • Answered by AI
  • Q14. Tell me your 5 qualities so that i should hire you
  • Ans. 

    I am a problem solver, team player, quick learner, detail-oriented, and have strong communication skills.

    • Problem solver - I enjoy tackling complex problems and finding innovative solutions.

    • Team player - I work well with others and value collaboration in achieving goals.

    • Quick learner - I am able to pick up new technologies and concepts quickly.

    • Detail-oriented - I pay attention to the smallest details to ensure high-qual...

  • Answered by AI
  • Q15. Do you have any engineering background
  • Ans. 

    Yes, I have a Bachelor's degree in Computer Engineering.

    • Bachelor's degree in Computer Engineering

    • Experience in software development

    • Knowledge of engineering principles applied to software design

  • Answered by AI
  • Q16. How was your day?
  • Ans. 

    My day was productive and challenging, with a lot of problem-solving and collaboration.

    • Completed a major coding project ahead of schedule

    • Participated in a brainstorming session with team members

    • Solved a tricky bug in the codebase

    • Attended a virtual meeting with stakeholders

  • Answered by AI
  • Q17. Do you have relatives in Pune? or what about your accomodation?
  • Ans. 

    No, I do not have any relatives in Pune. I have arranged for my accommodation in a rented apartment near the office.

    • No relatives in Pune

    • Accommodation arranged in a rented apartment near the office

  • Answered by AI
  • Q18. Do you know about My Passion Challenge test?
  • Ans. 

    Yes, My Passion Challenge test is a coding competition for software engineers.

    • My Passion Challenge test is a coding competition that evaluates the coding skills of software engineers.

    • It is designed to test problem-solving abilities, algorithmic thinking, and coding proficiency.

    • Participants are given a set of coding challenges to solve within a specified time limit.

    • The challenges can range from simple to complex, coveri...

  • Answered by AI
  • Q19. Any higher studies plan?
  • Ans. 

    Considering pursuing a Master's degree in Computer Science to deepen knowledge and advance career.

    • Considering pursuing a Master's degree in Computer Science

    • To deepen knowledge and advance career

    • Examples: MS in Computer Science at XYZ University, online courses in AI and Machine Learning

  • Answered by AI

Interview Preparation Tips

Round: Test
Experience: In this section, you will find questions from all technical subjects like data structures,design and analysis of algorithms, software testing and quality assurance , computer networks, database management , C , C++ , C# and java. The difficulty level is moderate.
For this section you can study from indiabix.com
In the 2nd section, we have to write a program and also have to follow constraints mentioned in the problem statement. Programs are based on file handling, structure and union , string operations,etc.
In 3rd round, you have to write an essay of about 10 lines. Essay topics are general issues like I had 'Traffic issues in India'.
Tips: Stick to your basics.
All the concepts should be clear.
Programs should be syntactically correct. Try to mention comments and also display output as expected. It adds up to your representation even if your logic goes wrong. :)
For essay writing round, there should be no grammatical mistakes.
Time management is very important.

Duration: 90 minutes
Total Questions: 75

Round: Technical Interview
Experience: My first technical round really went well. So I was qualified for Hr round.
But some candidates had to appear for 2 technical interviews.

Tips: Stay confident about your answers and also mention area of interest in your resume and go through your resume before going to interview. 60% of technical interview is on projects. They are really interested in ideas used in your projects. Explain all the projects in detail like which front end and back end used.
Every round is an elimination round. So give your best and stay confident.


Round: HR Interview
Experience: Hr round is also elimination round. And you should have good communication skills.
There is always backfiring so you have to be attentive and confident.
Always try to reply in a positive way.
Tips: You should read about the history of company and also the domains on which they are working and their recent projects.

Skills: Verbal Communication Skills
College Name: Jawaharlal Nehru Engineering College

Skills evaluated in this interview

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WITS Innovation Lab Interview FAQs

How many rounds are there in WITS Innovation Lab interview?
WITS Innovation Lab interview process usually has 1-2 rounds. The most common rounds in the WITS Innovation Lab interview process are Technical, HR and Coding Test.
How to prepare for WITS Innovation Lab 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 WITS Innovation Lab. The most common topics and skills that interviewers at WITS Innovation Lab expect are MongoDB, Java, MySQL, TypeScript and Javascript.
What are the top questions asked in WITS Innovation Lab interview?

Some of the top questions asked at the WITS Innovation Lab interview -

  1. What is Protot...read more
  2. What's middle w...read more
  3. What are closu...read more

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WITS Innovation Lab Interview Process

based on 7 interviews

Interview experience

3.6
  
Good
View more

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WITS Innovation Lab Reviews and Ratings

based on 30 reviews

3.6/5

Rating in categories

3.8

Skill development

3.5

Work-life balance

3.4

Salary

4.4

Job security

3.6

Company culture

3.2

Promotions

3.3

Work satisfaction

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