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Greendeck Full Stack Developer Interview Questions and Answers

Updated 11 Mar 2022

Greendeck Full Stack Developer Interview Experiences

1 interview found

I was interviewed in Sep 2021.

Round 1 - Telephonic Call 

Round duration - 20 Minutes
Round difficulty - Easy

It was sort of a telephonic round except the questions were pre recorded and i had to rexord my answers and send those in video. I got 2 minutes to answer each question.

Round 2 - Assignment 

(2 Questions)

Round duration - 1 week
Round difficulty - Medium

  • Q1. What MongoDB queries were asked based on the data you scraped?
  • Ans. 

    Various MongoDB queries were asked based on the scraped data.

    • Filtering documents based on specific criteria

    • Sorting documents in ascending or descending order

    • Performing aggregation operations like grouping and counting

  • Answered by AI
  • Q2. 

    Change Start Node Problem Statement

    You are provided with a singly linked list and an integer K. The objective is to make the Kth node from the end of the linked list the starting node of the linked list.

    ...
  • Ans. 

    Modify a singly linked list to make the Kth node from the end the starting node.

    • Traverse the linked list to find the length and the Kth node from the end

    • Update the pointers to make the Kth node the new head of the linked list

    • Adjust the pointers to maintain the integrity of the linked list

  • Answered by AI
Round 3 - Video Call 

(1 Question)

Round duration - 30 Minutes
Round difficulty - Medium

Based on the assignment given in earlier round and discussion on morr optimized approaches to solve it.

  • Q1. What MongoDB queries were you asked to solve, and what strategies did you use to determine the best way to execute them?
  • Ans. 

    I was asked to solve MongoDB queries and determine the best way to execute them.

    • I was asked to write queries to retrieve specific data from MongoDB collections.

    • I used aggregation pipelines to perform complex queries involving multiple stages.

    • I optimized queries by creating indexes on frequently accessed fields.

    • I utilized MongoDB's query optimizer to analyze and improve query performance.

    • I used explain() method to under...

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Information Technology from Guru Gobind Singh Indraprastha University. I applied for the job as Fullstack Developer in IndoreEligibility criteriaNeeded projects related to the company's techstackGreendeck interview preparation:Topics to prepare for the interview - Python, Scrapy, Splash, Selenium, BeautifulSoupTime required to prepare for the interview - 1 MonthInterview preparation tips for other job seekers

Tip 1 : do atleast 2 to 3 projects
Tip 2 : follow official documentation at the time of assignment

Application resume tips for other job seekers

Tip 1 : clean and one page resume
Tip 2 : Don't copy projects

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
No response

I applied via Naukri.com and was interviewed in Oct 2024. There were 4 interview rounds.

Round 1 - Aptitude Test 

Easy level to Medium level

Round 2 - Coding Test 

2 Easy questions of DSA

Round 3 - One-on-one 

(2 Questions)

  • Q1. One DSA question
  • Q2. Normal discussion about tech stack
Round 4 - HR 

(2 Questions)

  • Q1. Tell about yourself
  • Q2. Why do you want to join digit?

Interview Preparation Tips

Interview preparation tips for other job seekers - Go easy.. Nothing is hard in digit hiring
Interview experience
2
Poor
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Apr 2024. There were 2 interview rounds.

Round 1 - Technical 

(2 Questions)

  • Q1. Code postorder traversal without using recursion.
  • Ans. 

    Iterative solution using a stack to perform postorder traversal.

    • Use a stack to simulate the recursive call stack.

    • Push nodes in the order of right, left, root.

    • Pop nodes from stack and add to result array.

    • Repeat until stack is empty.

  • Answered by AI
  • Q2. Leetcode Problem 1626 - Best team with no conflicts.
Round 2 - System Design 

(2 Questions)

  • Q1. Design whatsapp with one to one, group messaging and read receipts functionalities. Design the database.
  • Ans. 

    Design a messaging app like WhatsApp with one-to-one, group messaging, and read receipts functionalities.

    • Use a relational database to store user information, messages, and group memberships.

    • Create tables for users, messages, groups, and group memberships.

    • Include columns for message content, sender, receiver, timestamp, and read status.

    • Implement a feature to mark messages as read with read receipts.

    • Use indexes for effic

  • Answered by AI
  • Q2. Questions on dbms, cn and os.

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Aug 2024. There were 2 interview rounds.

Round 1 - One-on-one 

(2 Questions)

  • Q1. Binary search for closest element
  • Ans. 

    Binary search to find the closest element in a sorted array

    • Implement binary search to find the target element in the array

    • Keep track of the closest element found so far while searching

    • Update the closest element if a closer one is found during the search

  • Answered by AI
  • Q2. String manipulation
Round 2 - Technical 

(1 Question)

  • Q1. Low level Design for an online e-commerce website
  • Ans. 

    Low level design for an online e-commerce website involves designing the architecture and components of the website.

    • Identify the main components such as user interface, database, payment gateway, product catalog, etc.

    • Design the database schema to store user information, product details, orders, etc.

    • Implement user authentication and authorization mechanisms for secure access.

    • Integrate payment gateway for processing tran...

  • Answered by AI

Interview Preparation Tips

Topics to prepare for Zepto Software Developer interview:
  • DSA
  • Design patterns

Skills evaluated in this interview

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

Majorily on SQL and Databases

Round 2 - Technical 

(2 Questions)

  • Q1. Align two images in a page with same width and same height
  • Ans. 

    Use CSS to align two images with same width and height on a page

    • Set both images to have the same width and height using CSS

    • Use flexbox or grid layout to align the images horizontally or vertically

    • Adjust margins or padding to fine-tune the alignment

  • Answered by AI
  • Q2. Array related question
Round 3 - HR 

(2 Questions)

  • Q1. Situation based question
  • Q2. Majorily focused on project

Skills evaluated in this interview

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

I applied via Campus Placement

Round 1 - Technical 

(2 Questions)

  • Q1. Coding questions medium level
  • Q2. Coding questions hard
Round 2 - Technical 

(2 Questions)

  • Q1. Coding questions
  • Q2. Questions related to oops, operating system,DBMS , SQL
Round 3 - HR 

(2 Questions)

  • Q1. General questions about zepto
  • Q2. Questions related to resume
Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed before Sep 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 - Technical 

(1 Question)

  • Q1. React JS, coding round, DSA, poly phill, map , shallow copy deep copy, popular JS DSA questions
Round 3 - Assignment 

Basic React JS clock/ stopwatch

Interview Preparation Tips

Interview preparation tips for other job seekers - know how to create componenets, and Easy to early medium level DSA leetcode JS based.
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Campus Placement and was interviewed in Apr 2023. There were 2 interview rounds.

Round 1 - Coding Test 

2 coding question one on maximum sum problem and other on tree traversal

Round 2 - Technical 

(1 Question)

  • Q1. Dbms oops dsa questions are there and one coding question which you have to pseudo code it and dry run it
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

3D DP, DP ON BST, Focus on highlevel dp and system design

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
Not Selected
Round 1 - Technical 

(2 Questions)

  • Q1. LRU Cache - how to tackle
  • Ans. 

    LRU Cache is a data structure that maintains a list of items in order of most recently used to least recently used.

    • Implement using a doubly linked list and a hashmap for efficient operations

    • When an item is accessed, move it to the front of the list

    • When the cache is full, remove the least recently used item from the end of the list

  • Answered by AI
  • Q2. LRU Cache implementation based on a real time system. How would the main work which will be called etc etc
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