Uber Software Engineer Interview Questions

If you’re preparing for Uber Software Engineer interview questions, expect a practical, production-focused process that evaluates both algorithmic fluency and the ability to build reliable, scalable systems. Interviews typically probe data structures and algorithms through timed coding exercises, and for mid-to-senior roles they add system-design conversations that emphasize tradeoffs, scalability, latency, and real-world operational concerns. Interviewers often care as much about clear communication, testable code, and engineering judgment as about getting a clever corner-case solution. Uber’s product context — marketplace, real-time dispatch, and strict latency requirements — frequently shapes the types of scenarios you’ll encounter. For interview preparation, plan a balanced program: sharpen DS&A patterns in your primary language, practice timed problems in a shared editor, and rehearse end-to-end system designs with explicit requirements, data models, and failure modes. Prepare STAR stories that show ownership, collaboration, and impact. During interviews, clarify requirements, narrate tradeoffs, handle edge cases, and write small tests or examples when possible. Practice under realistic timing and simulate the virtual whiteboard or CodeSignal environment to build pacing and confidence.

162 Questions 1 Company07.03.2026
Showing 20 results
Role
Uber logo
Uber
Medium
Software Engineer

Build a QuadTree From a Grid

Implement a compressed QuadTree for a square grid. You are given an n x n grid of values, where n is a power of two. The values are not limited to bin...

Coding & Algorithms
0
0
7 people solved
Apr 18, 2026
Uber logo
Uber
Hard
Software Engineer

Determine Whether a Word Exists in a Character Grid

Given a 2D character grid and a word, return whether the word can be formed by moving horizontally or vertically between adjacent cells without reusin...

Coding & Algorithms
0
0
12 people solved
Apr 17, 2026
Uber logo
Uber
Hard
Software Engineer

Maintain the First Value That Appears Exactly Once

Design a data structure that maintains a stream of integers and returns the first value that appears exactly once. Implement: `python class FirstUniqu...

Coding & Algorithms
0
0
1 people solved
Apr 17, 2026
Uber logo
Uber
Medium
Software EngineerSenior+

Find Any Available Meeting Room

You are given multiple meeting rooms. For each room, the existing bookings are represented as a list of non-overlapping time intervals sorted by start...

Coding & Algorithms
9
0
55 people solved
Apr 16, 2026
Uber logo
Uber
Medium
Software Engineer

Find a Bounded Subarray and Largest Square

Implement the following two independent coding tasks. Task A: Longest bounded-range subarray Given an integer array nums and an integer limit, return ...

Coding & Algorithms
1
0
14 people solved
Apr 12, 2026
Uber logo
Uber
Hard
Software Engineer

Simulate and Construct Tournament Rankings

You are given a single-elimination tournament represented by an array of ranks. The array is a permutation of the integers 1..n, where a smaller numbe...

Coding & Algorithms
1
0
13 people solved
Apr 9, 2026
Uber logo
Uber
Medium
Software Engineer

Solve two interview coding problems

The interview included two coding problems. Problem 1: Find valid robot locations in a grid You are given a 2D grid containing empty cells and obstacl...

Coding & Algorithms
4
0
33 people solved
Apr 8, 2026
Uber logo
Uber
Medium
Software Engineer

Solve Balanced Permutations and Tree Reversals

You have 90 minutes to solve the following two independent coding problems. Problem 1: Balanced Prefix Values in a Permutation You are given a permuta...

Coding & Algorithms
10
0
111 people solved
Apr 3, 2026
Uber logo
Uber
Hard
Software Engineer

Solve Knight and Reversal Problems

The online assessment contained two coding problems: 1. Generalized knight shortest path: Given an integer n, consider an n x n chessboard with coordi...

Coding & Algorithms
17
0
114 people solved
Apr 2, 2026
Uber logo
Uber
Hard
Software Engineer Locked

Solve two online assessment problems

This two-part prompt evaluates algorithmic problem-solving skills: the first problem tests optimization under index-based movement and number-theoreti...

Coding & Algorithms
12
0
122 people solved
Mar 19, 2026
Uber logo
Uber
Medium
Software Engineer

Find minimum activations to absorb all balls

You are given n balls on a 2D plane, where ball i is at coordinate \((x_i, y_i)\). You are also given a distance threshold d. Two balls are considered...

Coding & Algorithms
20
0
257 people solved
Mar 1, 2026
Uber logo
Uber
Medium
Software Engineer Locked

Group strings that are anagrams

This question evaluates string-processing and data-structuring competency, focusing on identifying and grouping anagrams through comparison of unorder...

Coding & Algorithms
14
0
203 people solved
Mar 1, 2026
Uber logo
Uber
Medium
Software Engineer

Find Kth Smallest in BST

You are given the root of a binary search tree and an integer k. Return the value of the node that would appear in the kth position if all node values...

Coding & Algorithms
3
0
49 people solved
Feb 25, 2026
Uber logo
Uber
Medium
Software Engineer

Count connected islands using Union-Find

You are given an m x n grid of characters where '1' represents land and '0' represents water. An island is a group of horizontally or vertically adjac...

Coding & Algorithms
29
0
227 people solved
Feb 20, 2026
Uber logo
Uber
Medium
Software Engineer Locked

Compute max reachable cells per threshold

This question evaluates a candidate's ability to reason about constrained grid reachability and efficient handling of multiple threshold queries, test...

Coding & Algorithms
35
0
261 people solved
Feb 12, 2026
Uber logo
Uber
Hard
Software Engineer

Check if each prefix forms 1..k permutation

You are given an integer array arr of length n that is a permutation of the numbers 1..n (each number appears exactly once), but in arbitrary order. F...

Coding & Algorithms
20
0
204 people solved
Feb 11, 2026
Uber logo
Uber
Medium
Software Engineer

Find minimum reversals to orient edges away from root

You are given a connected graph with n nodes labeled 0..n-1 and n-1 directed edges. If you ignore edge directions, the edges form a tree. Each directe...

Coding & Algorithms
34
0
249 people solved
Feb 11, 2026
Uber logo
Uber
Medium
Software Engineer

Compute final prices with next smaller discount

You are given an integer array prices of length n, where prices[i] is the original price of the i-th item. For each item i, find the first index j > i...

Coding & Algorithms
6
0
83 people solved
Feb 11, 2026
Uber logo
Uber
Medium
Software Engineer

Solve these algorithmic problems

You are given the following independent coding tasks. For each task, design an algorithm and implement a function that returns the requested output. -...

Coding & Algorithms
57
1
456 people solved
Feb 11, 2026
Uber logo
Uber
Medium
Software Engineer

Return a Package Build Order

You are given an API: `python get_dependencies(package) -> list[str] ` It returns the direct dependencies of a given package. If package A depends on ...

Coding & Algorithms
4
0
58 people solved
Jan 28, 2026

Frequently Asked Questions

How difficult are Uber Software Engineer interview questions?
Uber Software Engineer interview questions are typically rated medium-to-hard relative to industry standards; they stress correctness, clarity, and performance under time pressure. Early rounds often focus on data structures and algorithms where you must produce working, tested code quickly. For mid-level and senior candidates expect tougher system-design prompts that probe scalability, tradeoffs, and distributed-systems thinking. Interviewers evaluate not only the final answer but problem-structuring, complexity analysis, and communication. With focused, platform-specific practice and mock interviews most strong candidates can improve substantially, but the process rewards depth of fundamentals and clear, runnable implementations.
What is the typical Uber Software Engineer interview process and where do Software Engineer topics appear?
The typical process begins with a recruiter screen, followed by an online assessment or technical phone screen, then a virtual onsite loop of four to six interviews and finally a hiring-committee review. Software-engineering topics appear across multiple stages: algorithmic coding problems dominate the online assessment and coding rounds, system design appears for mid-to-senior levels, and behavioral or leadership questions probe ownership and collaboration. Some loops include role-specific exercises such as debugging or API design. The exact sequence and number of rounds vary by level, team, and whether you have a referral or internal connection.
How should I structure my interview preparation timeline for Uber Software Engineer roles?
Plan a phased timeline of roughly six weeks depending on your starting point. Begin with a one-week audit of recent projects, target languages, and common platform constraints. Spend the next two to three weeks drilling core data structures and algorithms with timed practice on the same coding platform the company uses and incorporate mock interviews to simulate pressure. Reserve a week for system-design fundamentals if you’re applying beyond entry level, practicing tradeoffs, capacity calculations, and APIs. Use the final week for full-length mock loops, behavioral story polishing, and quick refreshes of language-specific nuances and common libraries.
What key subtopics should I focus on for Uber Software Engineer interview questions?
Concentrate on algorithmic building blocks like arrays, strings, trees, graphs, heaps, dynamic programming, and windowed/greedy techniques, alongside runtime and space analysis. For system-design rounds prioritize requirements gathering, data modeling, APIs, consistency models, load estimation, partitioning, caching strategies, and reliability considerations such as monitoring and fallbacks. Language fluency, writing readable runnable code, and handling edge cases are essential. Behavioral subtopics include ownership, cross-team collaboration, incident handling, and learning from failures. Together these areas reflect the technical breadth and product-minded engineering Uber typically evaluates.
What standout tips and common pitfalls should candidates remember for Uber Software Engineer interviews?
Standout tips include practicing on the actual coding platform, speaking your thought process clearly, writing runnable code with basic tests, asking clarifying questions early, and quantifying tradeoffs in system design answers. Use focused, repeated mock interviews to build timing and narration. Common pitfalls are rushing to code without a plan, neglecting edge cases and tests, offering vague tradeoffs in designs, and failing to connect solutions to real product constraints. Also avoid overly broad answers; concise, measured decisions supported by numbers and assumptions usually perform better than ungrounded intuition.

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