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Yahoo Software Engineer2 Interview Questions and Answers for Experienced
1 interview found
Anonymous
1 Interview Round
Technical Round (1 Question)
- Q1. Java questions and spring boot and data bse Add Answer
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I applied via Referral and was interviewed in Sep 2024.
1 Interview Round
Technical Round (1 Question)
- Q1. Print the nodes of a n-ary tree in an arc wise manner as seen from the outside. View Answers (1)
Interview Preparation Tips
- n-ary tree
Skills evaluated in this interview
I applied via Company Website and was interviewed before May 2023.
2 Interview Rounds
HR Round (1 Question)
- Q1. Introduction about yourself and expectation Add Answer
Technical Round (3 Questions)
- Q1. IOS questions and architecture question about modularisation. From resume. Add Answer
- Q2. Question Asked about memory management Add Answer
- Q3. Question about modularisation and interface design Add Answer
Selected
I applied via Approached by Company and was interviewed before Jan 2023.
3 Interview Rounds
Coding Test Round
Design and code a parking lot application
Technical Round (1 Question)
- Q1. Past work and digging around that. few changes in past work and how to implement them. Add Answer
Technical Round (1 Question)
- Q1. How to ensure that there is no data corruption when data is being streamed and processed asynchronously View Answers (1)
Interview Preparation Tips
Keep a list of significant work you have done in the past. Keep all the details handy for them.
Skills evaluated in this interview
CodingNinjas
I was interviewed in May 2021.
4 Interview Rounds
Coding Test Round (2 Questions)
Round duration - 145 minutes
Round difficulty - Hard
The assessment consisted of four components, a code debugging section (20 minutes), a coding test (70 minutes), a workstyles assessment (20 minutes), and a reasoning ability section (35 minutes). The coding environment is very user-friendly and easy to use.
- Q1. Rotate matrix to the right You have been given a matrix ‘MAT’ of size 'N' * 'M' (where 'N' and 'M' denote the number of rows and...read more View Answers (1)
- Q2. Palindrome Partitioning You are given a string 'S'. Your task is to partition 'S' such that every substring of the partition is a palindrome. Yo...read more View Answers (1)
Face to Face Round (2 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
The online round was held on the Amazon Chime platform. The interviewer was very friendly and eager to know what I was thinking for every problem which he asked and always tried to make me speak up my thoughts and approach for solving the specific problem and understand my point too.
- Q1. Form the Biggest Number Given an array “A” of positive integers. Your task is to make the largest number possible formed by concatenating each of the array elem...read more View Answers (3)
- Q2. Rat In A Maze You are given a starting position for a rat which is stuck in a maze at an initial point (0, 0) (the maze can be thought of as a 2-dimensional pla...read more View Answers (1)
Face to Face Round (2 Questions)
Round duration - 75 minutes
Round difficulty - Medium
The online round was held on the Amazon Chime platform. The interviewer was very friendly and eager to know what I was thinking for every problem which he asked and always tried to make me speak up my thoughts and approach for solving the specific problem and understand my point too.
- Q1. Infix to Postfix You are given a string EXP which is a valid infix expression. Convert the given infix expression to postfix expression. Infix expression is of...read more View Answers (1)
- Q2. Level Order Traversal You have been given a Binary Tree of integers. You are supposed to return the level order traversal of the given tree. For example: For th...read more View Answers (1)
Face to Face Round (1 Question)
Round duration - 60 Minutes
Round difficulty - Medium
The online round was held on the Amazon Chime platform. The interviewer was very friendly and eager to know what I was thinking for every problem which he asked and always tried to make me speak up my thoughts and approach for solving the specific problem and understand my point too.
- Q1. Fenwick Tree You are given an array/list 'ARR' of ‘N’ integers, and ‘Q’ queries. Each query can be of two types: Given 2 integers ‘L’,’R’ ( L>=0 and ...read more View Answers (4)
Interview Preparation Tips
Tip 1 : Practice Leetcode medium level questions properly
Tip 2 : Low-level and high-level system design is very important
Tip 3 : Always make notes of core subjects like DBMS, OS, CN beforehand to be able to revise before interviews
Tip 1 : Write the technology about which you know in detail and can discuss pros and cons of using it.
Tip 2 : Prepare your resume well and add 2 good projects for project discussion with good readme file on github.
Skills evaluated in this interview
I was interviewed in Dec 2020.
3 Interview Rounds
Coding Test Round (3 Questions)
Round duration - 75 minutes
Round difficulty - Easy
This round was conducted in Hackerrank portal for a total duration of 75 minutes and was divided into 4 sections.
1st Section : Aptitude Section : 14 questions , 28 minutes
2nd Section : Technical Section : 12 questions , 17 minutes
3rd Section :1 coding Questions : 20 minutes+30 minutes
This Round was Conducted on Hackerrank (Webcam Enabled).
- Q1. DBMS Write a query that prints a list of employee names (i.e.: the name attribute) for employees in Employee having a salary greater than $2000 per month who ha...read more View Answers (1)
- Q2. Find Bugs in Code
Given a Problem Statement and a Code we need to find the bug in the code and correct the given code.
View Answers (1) - Q3. Count nodes within K-distance You are given a connected, undirected and acyclic graph with some of the nodes as marked and a positive number 'K'. You ne...read more View Answers (2)
Video Call Round (5 Questions)
Round duration - 90 minutes
Round difficulty - Medium
I was shared a link of Google Meet and the Google Docs was shared where there was 1 coding problem to be coded there and then the code was run on an IDE to check the sample tests.
Then the interview was followed by a lot of Operating System and Computer System Architecture Questions.
There were 2 Interviewers and both were helpful.
The timing was from 2:30 PM to 4:00 PM
- Q1. Largest subarray with equal number of 0s and 1s You are given an array consisting of 0s and 1s. You need to find the length of the largest subarray with an equ...read more View Answers (4)
- Q2. Computer System Architecture What is TLB? Why is it used? What are huge pages and their advantages? Which is accessed first TLB or cache? Can we access TLB and ...read more View Answers (1)
- Q3. System Architecture
How are system calls made at assembly level? How are IO operations like cout translated at low level?
View Answers (1) - Q4. Computer System Architecture
Discussion about how the file system is stored on disk and how it works.
View Answers (1) - Q5. Computer System Architecture
Distinguish between RISC and CISC architectures.
View Answers (1)
HR Round (4 Questions)
Round duration - 45 minutes
Round difficulty - Easy
The round was held on Google Meet with HR from 2:30 PM to 3:15 PM.
The HR was friendly and asked the basic questions.
- Q1. You have changed jobs/jumped ship already, why so? View Answers (1)
- Q2. If I call up your current or previous reporting manager now, what will be their opinion about you? What will they say that you need to work on? View Answers (1)
- Q3. Where do you see yourself 3 years from now? Where do you see yourself in 5 years? View Answers (1)
- Q4. Did you ever have a conflict with your current/previous boss or professor? View Answers (1)
Interview Preparation Tips
Tip 1 : Make sure that you are thorough with CS concepts beforehand.
Tip 2 : Even when you are explaining the approach to a question, try to parallelly think about how you would code it.
Tip 3 : Read the previous interview experiences. It would give a fair idea of the kind of questions one should expect.
Tip 4 : For a company like Adobe, practicing medium difficulty level coding questions would be the way to go.
Tip 5 : Practice atleast 200 questions from coding platforms like CodeZen, LeetCode, Interviewbit as they contain common interview questions.
Tip 1 : Mention atleast 1 project and past work experience as it sets good impression.
Tip 2 : Keep your resume up to date for the role you are applying.
Tip 3 : Try to keep your resume of 1 Page.
Skills evaluated in this interview
I was interviewed before Sep 2020.
3 Interview Rounds
Face to Face Round (2 Questions)
Round duration - 60 Minutes
Round difficulty - Easy
- Q1. 0 1 Knapsack A thief is robbing a store and can carry a maximal weight of W into his knapsack. There are N items and the ith item weighs wi and is of value vi. ...read more View Answers (1)
- Q2. Second largest element in the array You have been given an array/list 'ARR' of integers. Your task is to find the second largest element present in the ...read more View Answers (3)
Video Call Round (2 Questions)
Round duration - 60 Minutes
Round difficulty - Easy
System Design Round
- Q1. System Design Question
Design Twitter
Add Answer - Q2. DBMS Questions
Normalizations, Indexing, Transactions etc
Add Answer
HR Round (1 Question)
Round duration - 30 Minutes
Round difficulty - Easy
It is just a formality
- Q1. Basic HR Questions
Where do you see yourself in 5 years?
What are your weakness ?
Add Answer
Interview Preparation Tips
Tip 1 : System Design
Tip 2 : Practice questions from leetcode
Tip 3 : Have some projects.
Tip 1 : Mention what you know
Tip 2 : Good previous work to showcase
Skills evaluated in this interview
1 Interview Round
Technical Round (1 Question)
- Q1. Tasks in a class using js View Answers (1)
Skills evaluated in this interview
I was interviewed in Feb 2021.
3 Interview Rounds
Video Call Round (3 Questions)
Round duration - 60 Minutes
Round difficulty - Medium
- Q1. Infix To Postfix You are given a string EXP which is a valid infix expression. Convert the given infix expression to postfix expression. Infix expression is of ...read more View Answers (1)
- Q2. Reverse List In K Groups You are given a linked list of 'N' nodes and an integer 'K'. You have to reverse the given linked list in groups of siz...read more View Answers (2)
- Q3. Find the number of states You are given ‘n’ cities, some of which are connected by bidirectional roads. You are also given an ‘n x n’ matrix ‘roads’, where if c...read more View Answers (3)
Video Call Round (2 Questions)
Round duration - 50 Minutes
Round difficulty - Medium
- Q1. Trapping Rain Water You have been given a long type array/list 'ARR' of size 'N'. It represents an elevation map wherein 'ARR[i]' denote...read more View Answers (3)
- Q2. Clone Linked List with Random Pointer Given a linked list having two pointers in each node. The first one points to the next node of the list, however, the othe...read more View Answers (3)
Video Call Round (3 Questions)
Round duration - 40 minutes
Round difficulty - Easy
This is the last round, It is just for formality
- Q1. OS Questions
Explain Banker’s algorithm with an example, Thrashing, Deadlock, Semaphore, etc
Add Answer - Q2. DBMS Questions
ACID properties, Memory management
Add Answer - Q3. Longest Increasing Subsequence For a given array with N elements, you need to find the length of the longest subsequence from the array such that all the elemen...read more View Answers (4)
Interview Preparation Tips
Tip 1 : Solve as many question as you can
Tip 2 : Be confident about your skills
Tip 3 : Revise all concepts before interview
Tip 1 : confident about skills mentioned on resume
Tip 2 : Keep your resume short and clear.
Skills evaluated in this interview
I was interviewed before Sep 2020.
4 Interview Rounds
Coding Test Round (2 Questions)
Round duration - 75 minutes
Round difficulty - Easy
This was the online round held at university. All students who met the eligibility criteria were called for the online test on hackerrank.
- Q1. Anagram Difference You have been given two strings, let's say 'STR1' and 'STR2' of equal lengths. You are supposed to return the minimum num...read more View Answers (3)
- Q2. You are given 2 points A(x1,y1) and B(x2,y2) we have to reach from point A to B, but we can move in 2 ways either from A(x1,y1) to (x1,x1+y1) or (x1+y1,y1). We ...read more View Answers (1)
Face to Face Round (1 Question)
Round duration - 90 Minutes
Round difficulty - Medium
This round was technical round and the interview started with formal introduction and general questions.
After that We had a discussion on LRU Cache.
Followed by coding and set of data structure questions.
- Q1. Gas Tank You have a car with a gas tank of infinite capacity. There are ‘N’ gas stations along a circular route. Gas stations are numbered from 0 to N - 1. You ...read more View Answers (3)
Face to Face Round (2 Questions)
Round duration - 90 minutes
Round difficulty - Medium
This Round was DS and Algo round and it started with formal introduction, followed by 2 problems. We first dicussed the approach the time complexity and proper code covering all cases.
- Q1. Boundary Traversal of Binary Tree You have been given a binary tree of integers. Your task is to print the boundary nodes of this binary tree in Anti-Clockwise ...read more View Answers (2)
- Q2. Maximum sum two non-overlapping subarrays of given size You are given an array/list ARR of integers and a positive integer ‘K’. Your task is to find two non-ove...read more View Answers (3)
HR Round (1 Question)
Round duration - 30 minutes
Round difficulty - Easy
This was the Final Interview and it started with formal introduction and general HR questions. Then We discussed about the projects and the things written in my resume. The interviewer was very frank and this round was very interactive. He asked me about my college, my future plans, teachers, various subjects, why Expedia and questions like that.
- Q1. HR Discussion View Answers (1)
Interview Preparation Tips
Tip 1 : Be solid with the basics of Ds & Algorithms. Good to have end to end projects which are hosted on cloud.
Tip 2 : Its always good to be presentable and have good communications skills
Tip 3 : Be honest, clear in approach and always walkthrough your thought process to the interviewer
Tip 1: Mention your projects and experience at the top. Be clear on what was done, a brief on how it was done, language /tech stack involved. If possible try to host and make it accessible. You never know if you can present it with just one click.
Tip 2: Choose a balance between, white spaces and text, it should be well indented, no grammatical errors.
Tip 3: It takes less than 2 min to scan a resume. Don't mention things which are irrelevant.
Skills evaluated in this interview
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