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Porter Front end Developer Interview Questions and Answers

Updated 26 Apr 2024

Porter Front end Developer Interview Experiences

1 interview found

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

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

Round 1 - Technical 

(2 Questions)

  • Q1. Max sum path in tree
  • Ans. 

    Find the maximum sum path in a tree from root to leaf node.

    • Start from the root node and traverse down to leaf nodes, keeping track of the sum at each node.

    • At each node, compare the sum of the current path with the maximum sum found so far.

    • Choose the path with the maximum sum as the final result.

  • Answered by AI
  • Q2. Array 2 sum problem
Round 2 - Technical 

(2 Questions)

  • Q1. React: Create a Timer
  • Ans. 

    Create a simple timer using React

    • Use state to store the timer value

    • Use setInterval to update the timer every second

    • Display the timer value in the component's render method

  • Answered by AI
  • Q2. Javascript: implement Debounce
Round 3 - HR 

(2 Questions)

  • Q1. What do you know about the company + common behaviour question
  • Q2. About roles in previous org

Skills evaluated in this interview

Interview questions from similar companies

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

I applied via LinkedIn and was interviewed in May 2024. There was 1 interview round.

Round 1 - Coding Test 

1 Hr coding round, Leetcode medium problems like Minimum Grid sum & Basic calculator

Interview Preparation Tips

Interview preparation tips for other job seekers - Solved one problem, couldn't solve other, rejected
Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

My mostly question were around node js frame works and other tools

Round 2 - One-on-one 

(2 Questions)

  • Q1. Case study for the question asked
  • Q2. Tell me something more about you
Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Campus Placement and was interviewed in Feb 2024. There were 2 interview rounds.

Round 1 - Aptitude Test 

Question are very tough and faad

Round 2 - Coding Test 

Question like trees linked list and graphs

Interview Preparation Tips

Interview preparation tips for other job seekers - Best of luck for your future
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Given a matrix zeros and ones find minimum distance for each one to a zero.
  • Ans. 

    Given a matrix of zeros and ones, find the minimum distance for each one to a zero.

    • Use breadth-first search (BFS) to find the minimum distance from each one to a zero.

    • Start by initializing a queue with all the zeros in the matrix.

    • While the queue is not empty, dequeue a zero and enqueue its neighboring ones.

    • Keep track of the distance from each one to the nearest zero.

    • Repeat until all ones have been visited.

    • Return the ma

  • Answered by AI

Skills evaluated in this interview

Interview experience
5
Excellent
Difficulty level
Hard
Process Duration
2-4 weeks
Result
Not Selected

I applied via LinkedIn and was interviewed before Aug 2023. There were 3 interview rounds.

Round 1 - Aptitude Test 

30mins aptitude test

Round 2 - Coding Test 

90 mins coding test for 3 questions

Round 3 - HR 

(2 Questions)

  • Q1. Why are you choosing this role
  • Ans. 

    I am choosing this role because of my passion for creating user-friendly and visually appealing websites.

    • Passion for front end development

    • Enjoy creating user-friendly interfaces

    • Excited about the creative aspect of web design

  • Answered by AI
  • Q2. Why should we write you
  • Ans. 

    I am a dedicated and skilled front end developer with a passion for creating user-friendly interfaces.

    • I have a strong understanding of HTML, CSS, and JavaScript

    • I have experience with responsive design and cross-browser compatibility

    • I am proficient in using front end frameworks like React and Angular

  • Answered by AI
Interview experience
5
Excellent
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Coding Test 

Coding a frontend UI from provided image. And creating a fucntional star rating system

Round 2 - Technical 

(2 Questions)

  • Q1. Designing a Component API in React using Typescript.
  • Ans. 

    Designing a Component API in React using Typescript involves defining props, state, and methods for the component.

    • Define the props interface to specify the expected input data for the component

    • Use typescript types to ensure type safety and prevent runtime errors

    • Define the state interface to manage the internal state of the component

    • Implement methods to handle user interactions and component logic

    • Document the component

  • Answered by AI
  • Q2. Create a function that can clear all the timer ids at once.
  • Ans. 

    Function to clear all timer ids at once

    • Create an array to store all timer ids

    • Iterate through the array and clear each timer id using clearTimeout() function

  • Answered by AI

Skills evaluated in this interview

Interview experience
3
Average
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

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

Round 1 - Technical 

(1 Question)

  • Q1. Basic array question
Round 2 - Technical 

(1 Question)

  • Q1. Find the first circular tour that visits all petrol pumps
  • Ans. 

    The first circular tour that visits all petrol pumps can be found using the concept of a circular linked list.

    • Create a circular linked list with each node representing a petrol pump

    • Calculate the difference between petrol available at each pump and the distance to the next pump

    • Start from a pump where the sum of differences is positive and traverse the circular linked list until completing the tour

  • Answered by AI

Skills evaluated in this interview

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 90 minutes
Round difficulty - Easy

This was MCQ+Coding round.

  • Q1. How can you check if two strings are anagrams of each other?
  • Ans. 

    Check if two strings are anagrams by comparing the sorted versions of the strings.

    • Sort both strings and compare if they are equal.

    • Use a hashmap to store the frequency of characters in each string and compare the maps.

    • Ignore spaces and punctuation when comparing the strings.

  • Answered by AI
Round 2 - Face to Face 

Round duration - 90 minutes
Round difficulty - Easy

This was face to face interview round.

Round 3 - Face to Face 

Round duration - 90 minutes
Round difficulty - Easy

This was face to face interview round.

Interview Preparation Tips

Professional and academic backgroundI completed Computer Science Engineering from National Institute Of Technology, Silchar, Assam. I applied for the job as SDE - 1 in SiddharthnagarEligibility criteria6 CGPAAmazon interview preparation:Topics to prepare for the interview - Basic Computer Science backgroundTime required to prepare for the interview - 6 monthsInterview preparation tips for other job seekers

Tip 1 : Participate in live contests on websites like Codechef, Codeforces etc as much as possible.
Tip 2 : Practice previous interview questions from LeetCode, GeeksForGeeks.
Tip 3 : Revise Computer Science subjects like DBMS, OOPS thoroughly.

Application resume tips for other job seekers

Add projects and Internships if you have done any and add only those things which you really know.

Final outcome of the interviewSelected

Skills evaluated in this interview

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 90 Minutes
Round difficulty - Medium

Interview started at 11:00 am. It was an online round. During the coding round I submitted optimized solution and got full acceptance of the solutions.

  • Q1. 

    Detect Cycle in a Directed Graph

    You are provided with a directed graph composed of 'N' nodes. You have a matrix called 'EDGES' with dimensions M x 2, which specifies the 'M' edges in the graph. Each edge...

  • Ans. 

    Detect cycle in a directed graph using depth-first search (DFS) algorithm.

    • Use DFS to traverse the graph and detect back edges indicating a cycle.

    • Maintain a visited array to keep track of visited nodes during traversal.

    • If a node is visited again during traversal and it is not the parent node, then a cycle exists.

    • Return true if a cycle is detected, false otherwise.

  • Answered by AI
Round 2 - Face to Face 

(1 Question)

Round duration - 80 Minutes
Round difficulty - Medium

Interview started at 10:00 am. Interview went well, I was able to connect with the interviewer and enjoyed the whole interview

  • Q1. 

    Next Smallest Palindrome Problem Statement

    Find the next smallest palindrome strictly greater than a given number 'N' represented as a string 'S'.

    Explanation:

    You are given a number in string format, a...

  • Ans. 

    Find the next smallest palindrome greater than a given number represented as a string.

    • Convert the string to an integer, find the next greater palindrome, and convert it back to a string.

    • Handle cases where the number is a palindrome or has all digits as '9'.

    • Consider both odd and even length numbers when finding the next palindrome.

  • Answered by AI
Round 3 - Face to Face 

(1 Question)

Round duration - 80 Minutes
Round difficulty - Medium

Interview started at 11:00 am. Interview went well.

  • Q1. 

    Boundary Traversal of a Binary Tree

    Given a binary tree of integers, your task is to return the boundary nodes of the tree in Anti-Clockwise direction starting from the root node.

    Input:

    The first line ...
  • Ans. 

    Return the boundary nodes of a binary tree in Anti-Clockwise direction starting from the root node.

    • Traverse the left boundary nodes in a top-down manner

    • Traverse the leaf nodes from left to right

    • Traverse the right boundary nodes in a bottom-up manner

    • Handle cases where duplicates occur in the boundary nodes

    • Implement the function without printing as printing is already managed

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaGood knowledge of Data Structures, Some great projects which are used by the usersAmazon interview preparation:Topics to prepare for the interview - Data Structures, Web development, System Design, Algorithms, Dynamic Programming, Database, OS, Networking, OOPS, DevOpsTime required to prepare for the interview - 8 monthsInterview preparation tips for other job seekers

Tip 1 : For Data Structures number of questions doesn't matter. Try to understand the logic behind them and try to apply them in creating multiple scenario's. Learn them by heart. 
Tip 2 : For Web.Development Try to learn full stack development. See which part interests you more, Increase your knowledge horizon, Always try to build a system a system considering It will be served to millions of customers. By doing this 1-2 projects will increase and cover all the major things which one should learn in their career/college.

Application resume tips for other job seekers

Tip 1 : Always try to make it a single page 
Tip 2 : Always make resume company specific. eg. Data Structures part more if you are applying for MNC's eg. Amazon, Google, DE Shaw, browserstack.

Final outcome of the interviewSelected

Skills evaluated in this interview

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Porter Interview FAQs

How many rounds are there in Porter Front end Developer interview?
Porter interview process usually has 3 rounds. The most common rounds in the Porter interview process are Technical and HR.
What are the top questions asked in Porter Front end Developer interview?

Some of the top questions asked at the Porter Front end Developer interview -

  1. React: Create a Ti...read more
  2. Max sum path in t...read more
  3. Javascript: implement Debou...read more

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