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USA YELP Senior Software Engineer Interview Questions and Answers
USA YELP Senior Software Engineer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Referral and was interviewed before Jan 2024. There was 1 interview round.
(1 Question)
- Q1. You need to discuss why you are interested in the role
Interview questions from similar companies
Interview Questionnaire
1 Question
- Q1. About database locks and engines
I applied via Referral and was interviewed in Jan 2024. There was 1 interview round.
(2 Questions)
- Q1. Insert node in BST
- Ans.
Insert a node in a Binary Search Tree (BST)
Start at the root node and compare the value of the node to be inserted with the current node
If the value is less than the current node, move to the left child. If greater, move to the right child
Repeat the process until reaching a leaf node, then insert the new node as a left or right child
- Q2. Design Lift system
- Ans.
Design a lift system for efficient vertical transportation
Consider the number of floors in the building
Include safety features like emergency stop button
Optimize for speed and energy efficiency
Implement a user-friendly interface for passengers
Skills evaluated in this interview
Sudipto Roy
Selected
I applied via Naukri.com and was interviewed before Mar 2022. There were 4 interview rounds.
(1 Question)
- Q1. Discussion with Lead Engineer around basics of javascript, HTML, CSS, and Resume based question
(1 Question)
- Q1. Discussion with Technical Architect around Some advanced concepts of javascript, React, Some aptitude questions.
(1 Question)
- Q1. Discussion with hiring manager. Understanding around the project, roles and responsibility of the position I was being hired for.
Interview Preparation Tips
Kiran Chhabra
Selected
I applied via Naukri.com and was interviewed before Jul 2022. There were 3 interview rounds.
(2 Questions)
- Q1. OOPS, java, data structure
- Q2. Coding assignment for binary search
- Ans.
Implement binary search algorithm to find a target string in a sorted array of strings.
Ensure the array of strings is sorted before performing binary search.
Compare the target string with the middle element of the array and adjust the search range accordingly.
Repeat the process until the target string is found or the search range is exhausted.
(2 Questions)
- Q1. What is your Notice period
- Q2. Expectation from new job
Skills evaluated in this interview
Avinash Naidu
Selected
I applied via Recruitment Consulltant and was interviewed before May 2023. There were 2 interview rounds.
Its mcqs where we need to answer 25 questions
(1 Question)
- Q1. Knowledge if sql based on experience. Good to know joins well
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
(2 Questions)
- Q1. Design hld interview asked question
- Q2. Design lld asked question
Kuldeep Singh
I applied via Naukri.com and was interviewed in Sep 2021. There were 4 interview rounds.
Interview Questionnaire
4 Questions
- Q1. 1. Count the number of flips require to convert a binary string of 0 and 1 such that resultant string has alternate 0 and 1
- Ans.
Count the number of flips required to convert a binary string to alternate 0 and 1.
Iterate through the string and count the number of flips required to make it alternate.
Keep track of the current character and the expected character.
Example: 001101 -> 010101 requires 2 flips.
Example: 101010 -> 010101 requires 3 flips.
- Q2. 2. From an array of integers which contains values for a particular stock . Find the value at which a person should buy and sell such that the profit is maximum.
- Ans.
Find the maximum profit from buying and selling a stock given an array of its values.
Iterate through the array and keep track of the minimum value seen so far.
Calculate the profit at each index and update the maximum profit seen.
Return the maximum profit.
- Q3. 3. Boundary traversal of a tree.
- Ans.
Boundary traversal of a tree
Boundary traversal involves visiting the nodes on the boundary of a tree in a specific order
Start with the root node and traverse the left boundary, then the leaf nodes from left to right, and finally the right boundary
Use recursion to traverse the left and right subtrees
Exclude the leaf nodes that are also part of the left or right boundary
- Q4. 4. Reverse a linked list in groups of k nodes.
- Ans.
Reverse a linked list in groups of k nodes.
Divide the linked list into groups of k nodes
Reverse each group of k nodes
Connect the reversed groups to form the final linked list
Use recursion or iteration to implement the solution
Interview Preparation Tips
2. Technologies you are applying for and DSA could also be asked (3rd round )
Skills evaluated in this interview
Selected
I applied via Approached by Company and was interviewed before Jun 2023. There were 4 interview rounds.
Machine coding - design food ordering service,
(2 Questions)
- Q1. Sort array having 0 , 1 and 2. do it in single pass
- Ans.
Use Dutch National Flag algorithm to sort array of 0s, 1s, and 2s in single pass.
Initialize three pointers low = 0, mid = 0, high = n-1 where n is the length of the array.
Iterate through the array and swap elements based on their values and positions.
Example: Input array ['0', '1', '2', '0', '1', '2'] should be sorted as ['0', '0', '1', '1', '2', '2'].
- Q2. Given tree and list of nodes to be deleted. return all new trees created after the deletion
- Ans.
Return new trees after deleting specified nodes from a given tree
Traverse the tree and delete nodes that match the given list
For each deleted node, create a new tree with the remaining nodes
Return all new trees created after deletion
(1 Question)
- Q1. Design Restaurant management sytem
- Ans.
Restaurant management system to streamline operations, orders, inventory, and customer service.
Include features for table management, order processing, menu customization, inventory tracking, and customer feedback.
Implement user roles for staff, managers, and administrators with varying levels of access and permissions.
Integrate payment processing systems for seamless transactions and reporting.
Utilize data analytics t...
(2 Questions)
- Q1. Discussed about projects in depth
- Q2. Question around redis, kafka and all
Interview Preparation Tips
Skills evaluated in this interview
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