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Uber Software Engineer Interview Questions, Process, and Tips
Top Uber Software Engineer Interview Questions and Answers
- Q1. K-Palindrome You are given a string ‘str’. You need to find out whether the string is a K-Palindrome or not. A string is called a K-Palindrome if, after removing at most ...read more
- Q2. Boolean Matrix Given a 2-dimensional boolean matrix mat of size N x M, modify the matrix such that if an element is 1, set its entire row and column to 1 i.e. if mat[i][j ...read more
- Q3. Kth Largest Element in an Array You are given an array consisting of 'N' distinct positive integers and a number 'K'. Your task is to find the kth largest element in the ...read more
Uber Software Engineer Interview Experiences
16 interviews found
Anonymous
I applied via campus placement at Indian Institute of Technology (IIT), Chennai and was interviewed in Dec 2016. There were 4 interview rounds.
Interview Questionnaire
4 Questions
- Q1. Given a 2d matrix with some D doors and W walls, we need fill distance matrix with minimum distance to the nearest door
- Ans.
Given a 2D matrix with doors and walls, fill distance matrix with minimum distance to the nearest door.
Iterate through the matrix and find the doors
Use Breadth-First Search (BFS) to calculate the minimum distance from each cell to the nearest door
Update the distance matrix with the minimum distances
- Q2. Given a read-only array we want to find kth smallest element in unordered array with O(1) space
- Ans.
Find kth smallest element in unordered array with O(1) space
Use the QuickSelect algorithm to partition the array and find the kth smallest element
Choose a pivot element and partition the array into two subarrays
Recursively partition the subarray that contains the kth smallest element
Repeat until the pivot element is the kth smallest element
Time complexity: O(n) average case, O(n^2) worst case
- Q3. Design question
- Q4. Find friends of friend who already are not friends with you
Interview Preparation Tips
Experience: It started with an informal talk after he gave his introduction. We talked about the cyclone that was going to be there and what I did in my internship and my previous projects. Then we moved to questions. After solving both questions he asked if I had questions.
Tips: Just walk the interviewer through the solution you're proposing.
Round: Other Interview
Experience: He started with a design question with how to stream an image such that all clients see the same image at the same time. You need to take care of delays, network problems. He kept on adding new elements like compression, streaming, utc time related issues, client rendering delays and so on.
Round: Other Interview
Experience: This was bar-raiser round.
Skills: Design, Algorithms And Data Structures, Graph Theory
College Name: IIT Madras
Skills evaluated in this interview
2021 01220
I applied via Campus Placement
3 questions of dsa
1 of api
(1 Question)
- Q1. Graph based question to find the shortest path between 2 prime numbers by changing 1 digit at once and obtained number should be prime too.
Interview Preparation Tips
For 2nd round there was low level design
But I couldn't get to the 2nd round
1 hour on data structures and algorithms
(1 Question)
- Q1. Build Netflix architecture
- Ans.
Netflix architecture is a scalable microservices-based system with a focus on high availability and performance.
Use microservices architecture to break down the system into smaller, independent services
Implement a content delivery network (CDN) for efficient content distribution
Utilize cloud services like AWS for scalability and reliability
Implement a recommendation engine for personalized content suggestions
Use a dist...
What people are saying about Uber
I applied via LinkedIn and was interviewed in Sep 2024. There was 1 interview round.
3 Leetcode questions, Easy, medium, hard. Array, String Manipulation, and Matrix related.
Uber interview questions for designations
70 mins on code signal,4 questions
Interview Preparation Tips
Get interview-ready with Top Uber Interview Questions
Question on Bellman Ford Algorithm
4 question
2 very easy, one meduim but constraints were relaced, last question related to segment tree for traversing words
I applied via Recruitment Consulltant and was interviewed in Aug 2023. There was 1 interview round.
Questions asked 2
1. Group Anagrams
2. Question based kn recursion
Interview Preparation Tips
abrar
I applied via
Over the questions asked were difficult
(1 Question)
- Q1. Technical roud was about Maps and how to represent maps in Python using 2D Array
Interview Preparation Tips
CodingNinjas
I was interviewed before May 2021.
(1 Question)
Round duration - 90 Minutes
Round difficulty - Medium
it was time bound coding test round. The questions were from array and string. There were 2 questions.
- Q1. K-Palindrome
You are given a string ‘str’. You need to find out whether the string is a K-Palindrome or not.
A string is called a K-Palindrome if, after removing at most ‘k’ characters from the string, i...
- Ans.
I had done before the coding test so I solved in same way by splitting whole staring in three parts (start+mid+end).
(1 Question)
Round duration - 30 Minutes
Round difficulty - Easy
in this round manager spoke to me and explained about project and joining date later hr spoke to me regarding on boarding process
- Q1. Basic HR questions
Introduce Yourself.
Your Expectations from the company.
Past experiences. - Ans.
Tip 1 : Be confident. That's it.
Interview Preparation Tips
Tip 1 : Practise Data structures mostly (Array, String and Tree) , practise as much questions as you can.
Tip 2 : Have Good knowledge of Tech Stack you mention in your resume
Tip 3 : Have good understanding of projects mentioned in your resume.
Tip 1 : Resume should be having one page or maximum two pages long
Tip 2 : Mention your role on each project.
Skills evaluated in this interview
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Uber Software Engineer Interview Process
based on 7 interviews in last 1 year
1 Interview rounds
- Coding Test Round
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