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Diamondpick Fullstack Javascript Developer Interview Questions and Answers

Updated 4 Aug 2024

Diamondpick Fullstack Javascript Developer Interview Experiences

1 interview found

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

(2 Questions)

  • Q1. Remove nth node from ll
  • Ans. 

    Remove the nth node from a linked list

    • Traverse the linked list to find the nth node

    • Update the pointers to skip over the nth node

    • Handle edge cases like removing the head node

  • Answered by AI
  • Q2. String manipulation q

Skills evaluated in this interview

Interview questions from similar companies

Interview experience
3
Average
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(1 Question)

  • Q1. Check Valid parenthesis
  • Ans. 

    Check if a string of parentheses is valid

    • Use a stack to keep track of opening parentheses

    • Pop from stack when encountering a closing parenthesis

    • If stack is empty at the end and all parentheses are matched, it is valid

  • Answered by AI

Skills evaluated in this interview

I applied via Naukri.com and was interviewed before Jun 2021. There were 2 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 tips
Round 2 - One-on-one 

(1 Question)

  • Q1. Basic overall skill verification

Interview Preparation Tips

Interview preparation tips for other job seekers - search google for best 10 interview question
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - One-on-one 

(2 Questions)

  • Q1. Abstract class and interface
  • Q2. Oops concepts and

Interview Questionnaire 

1 Question

  • Q1. They don't ask any questions

Interview Preparation Tips

Interview preparation tips for other job seekers - Don't join this company, it's worst company, they will posted you in another company after that they didn't contact you, if you want to contact them they are not going to reply your email and not receiving your call.

I was interviewed in Oct 2021.

Round 1 - Coding Test 

(3 Questions)

Round duration - 105 minutes
Round difficulty - Medium

There were 3 problems .
One was easy but the other two were of medium level.

  • Q1. 

    Aggressive Cows Problem Statement

    Given an array representing positions of stalls and an integer ‘K’ representing the number of aggressive cows, determine the largest minimum distance between any two cows ...

  • Ans. 

    The problem requires assigning aggressive cows to stalls in a way that maximizes the minimum distance between any two cows.

    • Sort the array of stall positions in ascending order.

    • Use binary search to find the largest minimum distance between cows.

    • Check if it is possible to assign cows with this minimum distance by iterating through the sorted array.

    • If it is possible, update the maximum distance and continue binary search ...

  • Answered by AI
  • Q2. 

    Shortest Path in an Unweighted Graph

    The city of Ninjaland is represented as an unweighted graph with houses and roads. There are 'N' houses numbered 1 to 'N', connected by 'M' bidirectional roads. A road...

  • Ans. 

    The problem is to find the shortest path between two houses in an unweighted graph.

    • The graph represents the city of Ninjaland with houses connected by roads.

    • The input consists of the number of test cases, number of houses and roads, starting and ending house, and the roads between houses.

    • The output is a vector of nodes representing the shortest path from the starting house to the ending house.

    • If there are multiple shor...

  • Answered by AI
  • Q3. 

    Count Set Bits Problem Statement

    Given a positive integer N, compute the total number of '1's in the binary representation of all numbers from 1 to N. Return this count modulo 1e9+7 because the result can...

  • Ans. 

    The task is to count the total number of '1' in the binary representation of all numbers from 1 to N.

    • Convert each number from 1 to N into its binary representation

    • Count the number of '1' bits in each binary representation

    • Sum up the counts of '1' bits for all numbers

    • Return the sum modulo 1e9+7

  • Answered by AI
Round 2 - Video Call 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Easy

The interviewer was very polite and straightforward. 
Firstly he introduced himself and then asked me to introduce myself and then he jumped to the coding problems.
After the coding problems, he asked some questions from the OS and DBMS.

  • Q1. 

    Reverse Words in a String: Problem Statement

    You are given a string of length N. Your task is to reverse the string word by word. The input may contain multiple spaces between words and may have leading o...

  • Ans. 

    The task is to reverse the words in a given string, removing any leading or trailing spaces and replacing multiple spaces between words with a single space.

    • Split the string into words using spaces as delimiters

    • Reverse the order of the words

    • Join the reversed words with a single space between them

    • Remove any leading or trailing spaces

  • Answered by AI
  • Q2. 

    Reverse Linked List in Groups of K

    You are provided with a linked list containing 'N' nodes and an integer 'K'. The task is to reverse the linked list in groups of size K, which means reversing the nodes ...

  • Ans. 

    The task is to reverse a linked list in groups of size K.

    • Iterate through the linked list in groups of size K

    • Reverse each group using a helper function

    • Connect the reversed groups to form the final reversed linked list

  • Answered by AI
Round 3 - Video Call 

(2 Questions)

Round duration - 60 minutes
Round difficulty - Medium

The interviewer was very polite and straightforward, firstly he introduce himself and then ask me to introduce myself and then ask some ques on my projects and then he jumps to the coding problems.

  • Q1. 

    Remove Consecutive Duplicates From String Problem Statement

    Given a string STR consisting of both lower and upper case characters, your task is to remove consecutive duplicate characters from the string a...

  • Ans. 

    The task is to remove consecutive duplicate characters from a given string and return the new string.

    • Iterate through the characters of the string

    • Compare each character with the next character

    • If they are the same, skip the next character

    • If they are different, add the current character to the new string

    • Return the new string

  • Answered by AI
  • Q2. 

    Maximum Path Sum in a Matrix

    Given an N*M matrix filled with integer numbers, determine the maximum sum that can be obtained from a path starting from any cell in the first row to any cell in the last row...

  • Ans. 

    The question asks to find the maximum sum that can be obtained from a path starting from any cell in the first row to any cell in the last row of a given matrix.

    • Iterate through each cell in the first row and calculate the maximum sum path ending at that cell

    • For each cell, calculate the maximum sum path ending at that cell by considering the three possible directions

    • Store the maximum sum path ending at each cell in a se...

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from Indian Institute Of Information Technology Sonepat. I applied for the job as SDE - 1 in GurgaonEligibility criteriaAbove 7 CGPA with no backlogs.PeopleStrong interview preparation:Topics to prepare for the interview - Data Structures and Algorithms, DBMS, Operating Systems, Computer Networking, System Design, OOPS.Time required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Deep knowledge of the projects mentioned in your resume is a must.
Tip 2 : Practice must do GFG coding questions.
Tip 3 : Practice as many problems as you can from Leetcode.

Application resume tips for other job seekers

Tip 1 : Mention 1 or 2 projects in your resume.
Tip 2 : Don't put false things in your resume.

Final outcome of the interviewSelected

Skills evaluated in this interview

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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. C#, SQL database, Web technology
  • Q2. Other IT relates question ex: software

Interview Preparation Tips

Interview preparation tips for other job seekers - Be Relax and keep your self brushed up
Interview experience
1
Bad
Difficulty level
Moderate
Process Duration
4-6 weeks
Result
Selected Selected

I applied via Naukri.com and was interviewed before 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 tips
Round 2 - Technical 

(2 Questions)

  • Q1. Roles & Responsibilities
  • Q2. Roles & Responsibilities
Round 3 - Client Interview 

(1 Question)

  • Q1. What are your strengths & weakness
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

It's was MCQ based test

Round 2 - Technical 

(1 Question)

  • Q1. Tell me some of the oops concepts
  • Ans. 

    Some OOP concepts include inheritance, encapsulation, polymorphism, and abstraction.

    • Inheritance: Allows a class to inherit properties and behavior from another class.

    • Encapsulation: Bundling data and methods that operate on the data into a single unit.

    • Polymorphism: Ability to present the same interface for different data types.

    • Abstraction: Hiding the complex implementation details and showing only the necessary features

  • Answered by AI
Round 3 - Technical 

(1 Question)

  • Q1. What is Guid Id please explain
  • Ans. 

    A Guid Id is a globally unique identifier used in software development to uniquely identify objects or entities.

    • Guid Ids are 128-bit integers represented as a hexadecimal string.

    • They are typically used in databases, APIs, and various software systems to ensure uniqueness.

    • Example: 6B29FC40-CA47-1067-B31D-00DD010662DA

  • Answered by AI
Round 4 - HR 

(1 Question)

  • Q1. Discussion about salary

Interview Preparation Tips

Interview preparation tips for other job seekers - Go through the basics

Skills evaluated in this interview

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

I was interviewed before Jun 2023.

Round 1 - Technical 

(2 Questions)

  • Q1. Find circle in linkedList
  • Ans. 

    Use Floyd's Tortoise and Hare algorithm to find a cycle in a linked list.

    • Initialize two pointers, slow and fast, at the head of the linked list.

    • Move slow pointer by one step and fast pointer by two steps until they meet.

    • If they meet, there is a cycle in the linked list.

    • Example: 1 -> 2 -> 3 -> 4 -> 2 (cycle at node 2)

  • Answered by AI
  • Q2. Tell about one particular feature you worked on
  • Ans. 

    Implemented a real-time chat feature with message encryption

    • Used WebSockets for real-time communication

    • Implemented end-to-end encryption using AES algorithm

    • Designed a user-friendly interface for sending and receiving messages

  • Answered by AI

Skills evaluated in this interview

Diamondpick Interview FAQs

How many rounds are there in Diamondpick Fullstack Javascript Developer interview?
Diamondpick interview process usually has 1 rounds. The most common rounds in the Diamondpick interview process are Technical.
What are the top questions asked in Diamondpick Fullstack Javascript Developer interview?

Some of the top questions asked at the Diamondpick Fullstack Javascript Developer interview -

  1. remove nth node from...read more
  2. string manipulatio...read more

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Diamondpick Fullstack Javascript Developer Interview Process

based on 1 interview

Interview experience

5
  
Excellent
View more

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