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Grey Orange Senior Software Engineer Interview Questions, Process, and Tips

Updated 14 Aug 2024

Top Grey Orange Senior Software Engineer Interview Questions and Answers

  • Q1. Prime Numbers within a Range Given an integer N, determine and print all the prime numbers between 2 and N, inclusive. Input: Integer N Output: Prime numbers printed on ...read more
  • Q2. Anagram Substring Search Given two strings 'STR' and 'PTR', identify all starting indices of 'PTR' anagram substrings in 'STR'. Two strings are anagrams if one can be re ...read more
  • Q3. What are some common testing questions related to Linux and operating systems?

Grey Orange Senior Software Engineer Interview Experiences

3 interviews found

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

I applied via Recruitment Consulltant and was interviewed in Feb 2024. There was 1 interview round.

Round 1 - Coding Test 

It started with basic introduction, than move ahead with Java, Spring boot question in the end, he asked one leetcode medium question based on DP . Ques : Find a minimum number of jumps required to reach the end of the array, and each index , it can jump arr[index] time at max, you need to calculate minimum number of steps required to reach at the end.

Interview Preparation Tips

Interview preparation tips for other job seekers - Java , Spring boot and Data structures
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

2 dsa questions need to be implemented in 1hr

Round 2 - Technical 

(1 Question)

  • Q1. Projects you have worked on. 1. vector implementation in C++
  • Ans. 

    Implemented vector data structure in C++

    • Used templates to create a generic vector class

    • Implemented basic vector operations like push, pop, insert, erase

    • Optimized vector resizing by using exponential growth

    • Used iterators to traverse the vector elements

    • Implemented vector algorithms like sort and binary search

  • Answered by AI
Round 3 - HR 

(1 Question)

  • Q1. Compensation, expected and other document submitting.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare for dsa and puzzles. Communicate with interviewer

Skills evaluated in this interview

Senior Software Engineer Interview Questions Asked at Other Companies

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I was interviewed in Oct 2021.

Round 1 - Coding Test 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Hard

  • Q1. 

    Prime Numbers within a Range

    Given an integer N, determine and print all the prime numbers between 2 and N, inclusive.

    Input:

    Integer N

    Output:

    Prime numbers printed on separate lines

    Example:

    Input...
  • Ans. 

    Generate and print all prime numbers between 2 and N, inclusive.

    • Iterate from 2 to N and check if each number is prime

    • A prime number is only divisible by 1 and itself

    • Print each prime number on a new line

  • Answered by AI
Round 2 - Coding Test 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Hard

  • Q1. 

    Anagram Substring Search

    Given two strings 'STR' and 'PTR', identify all starting indices of 'PTR' anagram substrings in 'STR'. Two strings are anagrams if one can be rearranged to form the other.

    Input:

    ...
  • Ans. 

    Implement a function to find all starting indices of anagram substrings of a given string in another string.

    • Create a frequency map of characters in the 'PTR' string.

    • Use a sliding window approach to check for anagrams in 'STR'.

    • Return the starting indices of anagram substrings found.

    • Example: For input 'BACDGABCD' and 'ABCD', output should be [0, 5].

  • Answered by AI
Round 3 - Video Call 

(1 Question)

Round duration - 60 Minutes
Round difficulty - Hard

  • Q1. What are some common testing questions related to Linux and operating systems?
  • Ans. 

    Common testing questions related to Linux and operating systems

    • What are the different types of testing that can be performed on a Linux operating system?

    • How do you test the compatibility of software with different Linux distributions?

    • Can you explain the process of testing kernel modules in a Linux environment?

    • What tools and techniques do you use for performance testing on Linux systems?

    • How do you ensure the security an

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as Senior Software Engineer in GurgaonEligibility criteriaNoGreyOrange interview preparation:Topics to prepare for the interview - Python, data structures and algorithm, sql, testing, automationTime required to prepare for the interview - 3 MonthsInterview preparation tips for other job seekers

Tip 1 : practice coding
Tip 2 : be thorough with your resume

Application resume tips for other job seekers

Tip 1 : have good projects
Tip 2 : fulfill the required tech stack

Final outcome of the interviewSelected

Skills evaluated in this interview

Senior Software Engineer Jobs at Grey Orange

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Interview questions from similar companies

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

I applied via Referral and was interviewed before May 2023. There were 2 interview rounds.

Round 1 - Technical 

(1 Question)

  • Q1. Api optimisations, query optimisations, how to keep code more extensible, scalable etc
Round 2 - One-on-one 

(1 Question)

  • Q1. Questions related to designing around redis
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(2 Questions)

  • Q1. Node JS internal
  • Q2. Previous project discussion

I applied via Naukri.com and was interviewed in May 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Data Structures related 2 round & 1 round system Design

Interview Preparation Tips

Interview preparation tips for other job seekers - Work on DS and Design skills. No graphs and DP problems were asked
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Jan 2023. There were 3 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Rotate matrix by 90 degree
  • Ans. 

    Rotate a matrix by 90 degrees.

    • Transpose the matrix

    • Reverse each row of the transposed matrix

  • Answered by AI
  • Q2. Longest substring with unique characters
  • Ans. 

    The question asks for finding the longest substring in a given string that contains only unique characters.

    • Iterate through the string and keep track of the current substring

    • Use a set to check for duplicate characters

    • Update the longest substring if a longer one is found

  • Answered by AI
Round 2 - Technical 

(1 Question)

  • Q1. A trie question
Round 3 - Case Study 

Ecommerce hight level design

Interview Preparation Tips

Interview preparation tips for other job seekers - be prepared

Skills evaluated in this interview

I applied via Recruitment Consultant and was interviewed in May 2021. There were 4 interview rounds.

Interview Questionnaire 

10 Questions

  • Q1. First-round was an online test on hacker rank. There were 4 questions related to the array, string, and tree.
  • Q2. Create an immutable class.
  • Ans. 

    An immutable class is a class whose instances cannot be modified after creation.

    • Make all fields private and final

    • Don't provide any setter methods

    • Ensure that any mutable objects passed to the constructor are defensively copied

    • Make the class final so that it cannot be subclassed

  • Answered by AI
  • Q3. Create a Singelton pattern.
  • Ans. 

    Singleton pattern ensures only one instance of a class is created and provides a global point of access to it.

    • Create a private constructor to prevent direct instantiation of the class.

    • Create a private static instance of the class.

    • Create a public static method to access the instance, and create the instance if it doesn't exist.

    • Ensure thread safety by using synchronized keyword or double-checked locking.

  • Answered by AI
  • Q4. Difference between Vector and ArrayList.
  • Ans. 

    Vector is synchronized and ArrayList is not. Vector is thread-safe and ArrayList is not.

    • Vector is a legacy class and ArrayList is a part of the Java Collection Framework.

    • Vector is synchronized which means only one thread can access it at a time, while ArrayList is not.

    • Vector is thread-safe which means it can be used in a multi-threaded environment, while ArrayList is not.

    • Vector is slower than ArrayList because of synch...

  • Answered by AI
  • Q5. Create Linked List without using the internal library and provide the functionality of add delete find.
  • Ans. 

    Create Linked List without using internal library and provide add, delete, find functionality.

    • Create a Node class with data and next pointer

    • Create a LinkedList class with head pointer and methods to add, delete, and find nodes

    • Use a loop to traverse the list and perform operations

    • Handle edge cases such as adding to an empty list or deleting the head node

  • Answered by AI
  • Q6. One question was related to binary search.
  • Q7. Few more questions related to java.
  • Q8. The architecture of the current system.
  • Ans. 

    The current system follows a microservices architecture.

    • The system is divided into multiple independent services.

    • Each service has its own database and communicates with other services through APIs.

    • The architecture allows for scalability and flexibility.

    • Examples of microservices used in the system include user authentication, payment processing, and inventory management.

  • Answered by AI
  • Q9. Find the total no of the island in a 2d matrix. Working code was required.
  • Ans. 

    Find the total no of islands in a 2D matrix.

    • Use DFS or BFS to traverse the matrix.

    • Mark visited cells to avoid repetition.

    • Count the number of islands found.

  • Answered by AI
  • Q10. Find loop in a linked list.
  • Ans. 

    Loop detection in a linked list.

    • Use two pointers, one moving at twice the speed of the other.

    • If there is a loop, the faster pointer will eventually catch up to the slower one.

    • If there is no loop, the faster pointer will reach the end of the list.

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Before the interview brush up on the Linked list, Tree, and array. This is a common interview problem asked in Snapdeal.

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
-
Result
Selected Selected

I was interviewed before Jun 2023.

Round 1 - Coding Test 

Hackerrank Online Coding test. DSA Questions

Round 2 - One-on-one 

(3 Questions)

  • Q1. Create Traffic Lights in react.js with lights changing color with time config
  • Ans. 

    Create a traffic light simulation in react.js with changing colors based on time configuration.

    • Use React state to manage the current color of the traffic light

    • Set up a timer to change the color of the traffic light at specified intervals

    • Use CSS to style the traffic light and different colors for each light

  • Answered by AI
  • Q2. Polyfills of map, reduce, call, apply
  • Ans. 

    Polyfills are used to provide fallback support for older browsers that do not support certain JavaScript methods like map, reduce, call, and apply.

    • Polyfills are JavaScript code that replicate the functionality of newer features in older browsers.

    • They are commonly used for methods like map, reduce, call, and apply which may not be supported in all browsers.

    • For example, a polyfill for the map method would involve iterati...

  • Answered by AI
  • Q3. Other Javascript concept questions like closures, teporal dead zone, let const var difference, arrow function vs normal function
Round 3 - One-on-one 

(6 Questions)

  • Q1. Web app Optimization Techniques
  • Ans. 

    Web app optimization techniques focus on improving performance and user experience.

    • Minify and compress CSS, JavaScript, and HTML files

    • Optimize images and use lazy loading

    • Reduce server response time by caching data and using CDNs

    • Implement asynchronous loading for non-essential resources

    • Use browser caching and enable Gzip compression

  • Answered by AI
  • Q2. Javascript optimzation tehniques
  • Q3. Infinite scroll - how to handle large size data, efficient and smooth loading by scrolling up & down.
  • Ans. 

    To handle large size data for infinite scroll, use virtual scrolling, lazy loading, and optimize data fetching/rendering.

    • Implement virtual scrolling to render only the visible items on the screen, reducing memory usage and improving performance.

    • Use lazy loading to fetch more data as the user scrolls, avoiding loading all data at once.

    • Optimize data fetching and rendering by using efficient algorithms and data structures...

  • Answered by AI
  • Q4. Serverside vs clientside rendering
  • Ans. 

    Serverside rendering is when the HTML is generated on the server before being sent to the client, while clientside rendering is when the HTML is generated on the client's browser using JavaScript.

    • Serverside rendering is better for SEO as search engines can easily crawl the content.

    • Clientside rendering can provide a faster initial load time as only data is sent from the server.

    • Serverside rendering is more secure as sens...

  • Answered by AI
  • Q5. Microservices vs Monolithic architecture
  • Ans. 

    Microservices allow for modular and scalable architecture, while monolithic architecture is simpler but less flexible.

    • Microservices break down applications into smaller, independent services that communicate through APIs.

    • Monolithic architecture involves building the entire application as a single unit, making it easier to develop but harder to scale.

    • Microservices offer better fault isolation and scalability, while mono...

  • Answered by AI
  • Q6. How to acheive responsive acrooss all screen sizes
  • Ans. 

    Achieve responsive design by using media queries, flexible layouts, and fluid grids.

    • Use media queries to adjust styles based on screen size

    • Create flexible layouts that adapt to different screen sizes

    • Implement fluid grids to ensure content scales proportionally

  • Answered by AI
Round 4 - HR 

(1 Question)

  • Q1. Salary discussion

Skills evaluated in this interview

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

(2 Questions)

  • Q1. Create useDebounce hook
  • Ans. 

    Custom hook for debouncing user input in React applications

    • Accepts a value and delay as arguments

    • Uses useEffect to set a timeout to update the debounced value after the specified delay

    • Returns the debounced value and a function to update the input value

  • Answered by AI
  • Q2. Create language change functionality using useContext and useReducer
  • Ans. 

    Implement language change functionality using useContext and useReducer

    • Create a LanguageContext to store the current language state

    • Use useReducer to handle state changes for language selection

    • Dispatch actions to update the language state based on user selection

  • Answered by AI

Skills evaluated in this interview

Grey Orange Interview FAQs

How many rounds are there in Grey Orange Senior Software Engineer interview?
Grey Orange interview process usually has 2-3 rounds. The most common rounds in the Grey Orange interview process are Coding Test, Resume Shortlist and Technical.
How to prepare for Grey Orange Senior 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 Grey Orange. The most common topics and skills that interviewers at Grey Orange expect are Python, Algorithms, Automation Testing, Brs and C++.
What are the top questions asked in Grey Orange Senior Software Engineer interview?

Some of the top questions asked at the Grey Orange Senior Software Engineer interview -

  1. projects you have worked on. 1. vector implementation in ...read more
  2. Compensation, expected and other document submitti...read more

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Grey Orange Senior Software Engineer Interview Process

based on 2 interviews

Interview experience

3.5
  
Good
View more
Grey Orange Senior Software Engineer Salary
based on 56 salaries
₹13.1 L/yr - ₹31 L/yr
61% more than the average Senior Software Engineer Salary in India
View more details

Grey Orange Senior Software Engineer Reviews and Ratings

based on 3 reviews

2.4/5

Rating in categories

2.7

Skill development

1.6

Work-life balance

2.7

Salary

2.1

Job security

1.0

Company culture

2.1

Promotions

2.1

Work satisfaction

Explore 3 Reviews and Ratings
Senior Engineer - Software Support

Gurgaon / Gurugram

1-2 Yrs

Not Disclosed

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