Uber Software Engineer Interview Questions
761+ questions from real Uber Software Engineer interviews, reported by candidates.
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Questions
Uber OA
You have N ranges where the i-th range is from low[i] to high[i]. You need to create an array brr of length N. However, brr[i] can only be any prime number...
Uber OA
Given array arr of length n, \uFEFFwe define function f(arr) \uFEFFas- if n=1, f(arr) = \uFEFFarr[0]; else, \uFEFFf(arr) = \uFEFFf(arr[0] ^ \uFEFFarr[1], \uFEFFarr[1] ^ \uFEFFarr[2]...., \uFEFFarr[n-2] ^ \uFEFFarr[n-1]) where ^ \uFEFFis...
Uber OA
Given an undirected graph graph that is represented by its adjacency matrix, return whether or not is it possible to add no more than two edges to this graph in...
Uber OA
have an array , we have to make it a incresing stair step or decresing stair step by adding to it find the minimum number to be added to all,...
Uber OA
You have N ranges where the i-th range is from low[i] to high[i]. You need to create an array brr of length N. However, brr[i] can only be any prime number...
Uber OA
choose k non empty disjoint array from an array of n integers. Let sub_sum[i] denotes the sum of elemtes of ith subarray. the beauty of subarray is 1sub_sum[1] +2 sub_sum[2]+3 sub_sum[3]+.......+ksub_sum[k]....
Uber OA
Can anyone help with the approach of these questions. 1. You and your best friend leave messages for one another in your favorite places around town. But you don\'t want any...
Uber OA
You are given a binary string (containing character 0 and 1 only) s of length n. You task is to convert all the 1s in this string to 0. To...
Uber OA
The question is in the image attached. Example: For queries = ["+4", "+5", "+2". "-4"] and diff = 1, the output should be solution(queries, diff) = [0, 1, 1, 0]....
Uber OA
Q1. Given two strings s and t. Count the number of occurence of t in s as follows. Length of t is 3, increment count when t == s[i]s[i+2]s[i+4] e.g s...
UBER OA
Nearly all of the Kingdom of Byteland is covered by forests and rivers. Small rivers meet to form bigger rivers, which also meet and, in the end, all the rivers...
UBER OA
Tier 1 college OnCampus 1. Given two non-empty strings str1 and str2, both the strings consist of only lowercase Latin letters. Your task is to calculate the number of different pairs of (a...
Uber Onsite
Given a list[[s,e],[s1,e2],[s2,e2]]. Return the frequency of intervals [[0,3],[1,4],[2,7]] [0,1]->1 [1-2]-> 2 [2-3]-> 3 [3-4]-> 2 [4-7]->1
Uber Phone Screen
Phone Screen One question https://leetcode.com/problems/bus-routes/
Uber Phone Screen
You\'re given a set of symbols for the elements in the periodic table [.... Li, Be, B, C, N, F, Ne, Na, Co, Ni, Cu, Ga, Al, Si.....] Write the function...
Uber | OA
Given two integer arrays a and b, and an integer value d, your task is to find the comparator value between these arrays. \tThe comparator value is defined as the...
Uber Phone Interview
Problem Statement You\'re given a stream of user IDs visiting a website. Implement two functions: 1. void PostAddUser(int userId): Adds a new user ID to the stream. 2. int GetFirstOneTimeUser():...
Uber Interview Question
Problem name K-step sequence Problem statement Given an array A containing N numbers that are indexed from 1 to N. You are also given Q queries Each query can be described as follows: L R...
You are the mayor of a very old city. The ciry has n major tourist attractions. You are given the locations (x, y, z) for each of these tourist attractions. To...
Uber Hiring Drive
On 14 sept, i got the chance for UBER hiring Drive Q1. Given an array of sorted integers, sort the array in ascending order of squares of its elements. For example: [1, 5,...
What Uber Looks for in Software Engineer Interviews
Uber Software Engineer interviews are calibrated against the level and scope expected of the role. Across 761+ verified candidate reports on LeakCode, the consistent signals interviewers look for: clear problem decomposition before coding, explicit complexity reasoning, structured handling of edge cases, and the ability to articulate trade-offs between two reasonable approaches.
The discriminator between candidates who advance and candidates who do not is rarely the final correctness of the solution. It is the path to the solution: did you ask clarifying questions, did you state your approach before coding, did you handle edge cases without prompting, and did you communicate your reasoning throughout. Reports tagged "no hire" frequently cite a working solution with poor communication; reports tagged "strong hire" cite clear thinking even when the final solution was incomplete.
How To Use This Question Set
Real interview reports are a calibration tool, not a memorization target. Companies update their question pools every 2-4 months; memorizing exact problems risks misleading you when the interviewer uses a variant. The high-leverage use: identify the patterns that appear repeatedly in Uber Software Engineer reports, practice those patterns on similar (not identical) problems, and use the reports to understand the interviewer's typical follow-up depth.
Filter the questions below by round type, difficulty, and recency. Focus first on reports from the past 6-12 months; older reports may reference questions that have since rotated out of Uber's pool. Reports tagged with quantified difficulty (e.g., "medium-hard") are higher-signal than reports without difficulty tags.
Round-by-Round Expectations
Uber Software Engineer loops typically span 4-6 rounds across phone screens and on-site or virtual on-site interviews. The structure varies by company: some run 1 recruiter screen + 1 technical phone + 3-4 on-site rounds; others run 1 recruiter screen + 1 OA + 4-5 on-site rounds. The recruiter screen is logistics and culture-light; the technical phone screen is medium-difficulty coding; the on-site loop covers coding, system design (at L4+ levels), and behavioral rounds.
Each round is designed to surface a specific signal. Coding rounds: correctness, code quality, complexity reasoning, communication. System design rounds: requirements clarification, design judgment, operational thinking. Behavioral rounds: ownership scope, leadership, ambiguity tolerance, conflict navigation. Strong candidates explicitly hit each signal dimension out loud during the round; weak candidates focus only on solving the prompt.
Common Interview Mistakes At This Combination
Reports tagged "no hire" at Uber Software Engineer commonly cite: jumping into code without clarifying requirements, coding silently for 10+ minutes without verbalizing approach, missing edge cases (empty input, single element, very large input, overflow), and producing a working solution that the candidate cannot explain or refactor when probed. Strong candidates avoid these patterns by following a consistent template: clarify, verbalize approach, code with narration, test with examples.
Behavioral and design rounds have their own failure modes. Behavioral: stories that use "we" instead of "I" diluting individual signal, stories with no quantified outcome, defensiveness when probed about failure. Design: not asking clarifying questions, not stating requirements out loud, designing for a single server when the prompt clearly implies scale, ignoring operational concerns (deployment, monitoring, rollback). These show up in roughly half of Uber Software Engineer interview retrospectives on LeakCode.
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