Uber

High-Growth Unicorns

100 interview questions from past Uber candidates

How to use this company question set

Start with the highest-frequency questions to build momentum, then move into category gaps where your confidence is lower. If you are early in prep, pair this page with the full Uber interview guide for process expectations and timeline context.

For stronger retention, rotate through coding patterns and the interview roadmap while tracking recurring misses in this company-specific list.

Total Questions

100

Very Common

40

6

Reports

1116

Ready to practice?

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Question Categories

Arrays & Hashing (34)

Fundamentals (24)

Databases (17)

Trees & Graphs (16)

Caching (5)

Message Queues (4)

Very Common Questions
40

These questions are frequently asked at this company

BFS Data Structure

Trees & Graphs

easy

15 reports

mcq

Netflix: Multi-Region Failover

Fundamentals

hard

15 reports

mcq

Palantir: Federated Data Architecture

Fundamentals

hard

15 reports

mcq

Uber: Shortest Path with Traffic

Trees & Graphs

hard

15 reports

mcq

Databricks: Incremental Processing

Fundamentals

medium

15 reports

mcq

Bipartite Graph Chromatic Number

Trees & Graphs

hard

15 reports

mcq

Meta: Photo Upload at Scale

Fundamentals

medium

15 reports

mcq

Robinhood: Payment for Order Flow

Fundamentals

medium

15 reports

mcq

Meta: Instagram Story Architecture

Fundamentals

medium

15 reports

mcq

Salesforce: Multi-Tenant Architecture Basics

Fundamentals

easy

15 reports

mcq

Apple: Memory Constraints

Fundamentals

hard

15 reports

mcq

Event Sourcing

Fundamentals

hard

15 reports

mcq

Databricks: Unity Catalog

Fundamentals

hard

15 reports

mcq

Salesforce: Shared Nothing vs Shared Everything

Fundamentals

hard

15 reports

mcq

Microsoft: Tree Traversal Order

Trees & Graphs

medium

15 reports

mcq

Coinbase: Portfolio Tracking Dashboard

Fundamentals

medium

15 reports

mcq

Graph: Cycle Detection

Trees & Graphs

medium

15 reports

mcq

Stripe: Idempotency Keys

Fundamentals

medium

15 reports

mcq

BFS vs DFS: When to Use BFS

Trees & Graphs

easy

15 reports

mcq

Tree Traversal: Inorder Property

Trees & Graphs

medium

15 reports

mcq

Bloomberg: Pub-Sub Market Data Architecture

Fundamentals

medium

15 reports

mcq

Number of Islands

Trees & Graphs

medium

15 reports

coding

Spotify: Artist Collaboration Graph

Trees & Graphs

hard

15 reports

mcq

Load Balancing Algorithms

Fundamentals

medium

15 reports

mcq

DoorDash: Shortest Path for Delivery

Trees & Graphs

hard

15 reports

mcq

Design a Key-Value Store

Fundamentals

medium

15 reports

system design

Coinbase: Crypto Exchange Order Book

Fundamentals

hard

15 reports

mcq

DoorDash: Dynamic Pricing (Surge)

Fundamentals

hard

15 reports

mcq

Design a URL Shortener

Fundamentals

medium

15 reports

system design

Spotify: Real-time Lyrics Sync

Fundamentals

medium

15 reports

mcq

People You May Know Data Structure

Trees & Graphs

medium

15 reports

mcq

Maximum Depth of Binary Tree

Trees & Graphs

easy

15 reports

coding

Blue-Green Deployment

Fundamentals

medium

15 reports

mcq

LinkedIn: Detecting Professional Communities

Trees & Graphs

medium

15 reports

mcq

Coinbase: Withdrawal Approval System

Fundamentals

hard

15 reports

mcq

Uber: Handling Network Partitions

Fundamentals

hard

15 reports

mcq

Construct Binary Tree from Preorder and Inorder

Trees & Graphs

medium

15 reports

coding

Uber: Bipartite Matching for Ride Assignment

Trees & Graphs

hard

15 reports

mcq

LinkedIn: Degrees of Separation

Trees & Graphs

medium

15 reports

mcq

CAP Theorem Trade-offs

Fundamentals

easy

15 reports

fill blank

Common Questions
60

Regularly reported by candidates

Databricks: MERGE Operation

Arrays & Hashing

medium

6 reports

mcq

Meta: Subarray Product Problem

Arrays & Hashing

medium

6 reports

mcq

Databricks: Consistent Hashing for Partitioning

Arrays & Hashing

hard

6 reports

mcq

Coinbase: Transaction Processing Order

Message Queues

hard

12 reports

mcq

DoorDash: Search and Discovery

Databases

medium

12 reports

mcq

House Robber II

Arrays & Hashing

medium

6 reports

coding

Two Pointers: When to Use

Arrays & Hashing

easy

6 reports

mcq

Coinbase: Transaction History at Scale

Databases

medium

12 reports

mcq

Coinbase: Wallet Balance Tracking

Databases

hard

12 reports

mcq

Database: ACID vs BASE

Databases

hard

12 reports

mcq

Merge Intervals

Arrays & Hashing

medium

6 reports

coding

Consistency Model for Messaging Systems

Databases

hard

12 reports

mcq

Robinhood: Decimal Precision

Arrays & Hashing

medium

6 reports

mcq

Kth Largest Element in an Array

Arrays & Hashing

medium

6 reports

coding

What does ROW_NUMBER() OVER (PARTITION BY dept ORDER BY salary DESC) do?

Databases

medium

12 reports

mcq

LinkedIn: Feed Generation Strategy

Arrays & Hashing

hard

6 reports

mcq

Palantir: Ontology-Driven Data Integration

Databases

medium

12 reports

mcq

Encode and Decode Strings

Arrays & Hashing

medium

6 reports

coding

Databricks: Data Skipping

Databases

medium

12 reports

mcq

TikTok: Bloom Filter for Seen Content

Arrays & Hashing

hard

6 reports

mcq

Coinbase: Batch Transaction Processing

Arrays & Hashing

hard

6 reports

mcq

Sliding Window: Problem Recognition

Arrays & Hashing

easy

6 reports

mcq

Debug a database deadlock issue

Databases

hard

12 reports

verbal

Product of Array Except Self

Arrays & Hashing

medium

6 reports

coding

Meta: Two Pointer Pattern Recognition

Arrays & Hashing

medium

6 reports

mcq

Coinbase: Atomic Transaction Processing

Arrays & Hashing

medium

6 reports

mcq

Netflix: Event-Driven Architecture

Message Queues

medium

12 reports

mcq

Container With Most Water

Arrays & Hashing

medium

6 reports

coding

Twitter Tweet Storage: Database Choice

Databases

medium

12 reports

mcq

Merge Sorted Array

Arrays & Hashing

easy

6 reports

coding

Databricks: Data Lakehouse Architecture

Databases

easy

12 reports

mcq

Cache Invalidation: Write-Through vs Write-Behind

Caching

hard

12 reports

mcq

DoorDash: Order-Dasher Matching

Arrays & Hashing

hard

6 reports

mcq

Number of 1 Bits

Arrays & Hashing

easy

6 reports

coding

Hash Map: Frequency Counting

Arrays & Hashing

medium

6 reports

mcq

Maximum Subarray Sum

Arrays & Hashing

medium

6 reports

coding

DoorDash: LRU Cache for Restaurant Data

Arrays & Hashing

medium

6 reports

mcq

Databricks: Multi-Cloud Data Sharing

Databases

hard

12 reports

mcq

Database: Read Replicas

Databases

medium

12 reports

mcq

Coinbase: Input Sanitization for Financial Data

Arrays & Hashing

medium

6 reports

mcq

DoorDash: Notification System

Message Queues

medium

12 reports

mcq

DoorDash: Assignment at Scale

Arrays & Hashing

hard

6 reports

mcq

Spiral Matrix

Arrays & Hashing

medium

6 reports

coding

Month-over-Month Revenue Growth

Databases

medium

12 reports

coding

Maximum Subarray

Arrays & Hashing

medium

6 reports

coding

Spotify: Playlist Follow Notifications

Message Queues

medium

12 reports

mcq

Database Replication

Databases

medium

12 reports

mcq

Pow(x, n)

Arrays & Hashing

medium

6 reports

coding

Design a caching strategy for an e-commerce product catalog

Caching

medium

12 reports

verbal

Contains Duplicate

Arrays & Hashing

easy

6 reports

coding

Uber: Eventual Consistency in Location Data

Caching

medium

12 reports

mcq

Valid Parentheses

Arrays & Hashing

easy

6 reports

coding

ACID Properties

Databases

easy

12 reports

mcq

Cache Invalidation Strategies

Caching

medium

12 reports

mcq

Sliding Window: Core Concept

Arrays & Hashing

easy

6 reports

mcq

Explain database indexing to a new team member

Databases

hard

12 reports

verbal

Copy List with Random Pointer

Arrays & Hashing

medium

6 reports

coding

Two Pointers: Container With Most Water

Arrays & Hashing

medium

6 reports

mcq

Design a Web Crawler

Caching

medium

12 reports

system design

Find Median from Data Stream

Arrays & Hashing

hard

6 reports

coding

Uber

How to use this company question set

Company question insights and frequency breakdown

100

40

6

1116

Ready to practice?

Question Categories

Very Common Questions40

BFS Data Structure

Netflix: Multi-Region Failover

Palantir: Federated Data Architecture

Uber: Shortest Path with Traffic

Databricks: Incremental Processing

Bipartite Graph Chromatic Number

Meta: Photo Upload at Scale

Robinhood: Payment for Order Flow

Meta: Instagram Story Architecture

Salesforce: Multi-Tenant Architecture Basics

Apple: Memory Constraints

Event Sourcing

Databricks: Unity Catalog

Salesforce: Shared Nothing vs Shared Everything

Microsoft: Tree Traversal Order

Coinbase: Portfolio Tracking Dashboard

Graph: Cycle Detection

Stripe: Idempotency Keys

BFS vs DFS: When to Use BFS

Tree Traversal: Inorder Property

Bloomberg: Pub-Sub Market Data Architecture

Number of Islands

Spotify: Artist Collaboration Graph

Load Balancing Algorithms

DoorDash: Shortest Path for Delivery

Design a Key-Value Store

Coinbase: Crypto Exchange Order Book

DoorDash: Dynamic Pricing (Surge)

Design a URL Shortener

Spotify: Real-time Lyrics Sync

People You May Know Data Structure

Maximum Depth of Binary Tree

Blue-Green Deployment

LinkedIn: Detecting Professional Communities

Coinbase: Withdrawal Approval System

Uber: Handling Network Partitions

Construct Binary Tree from Preorder and Inorder

Uber: Bipartite Matching for Ride Assignment

LinkedIn: Degrees of Separation

CAP Theorem Trade-offs

Common Questions60

Databricks: MERGE Operation

Meta: Subarray Product Problem

Databricks: Consistent Hashing for Partitioning

Coinbase: Transaction Processing Order

DoorDash: Search and Discovery

House Robber II

Two Pointers: When to Use

Coinbase: Transaction History at Scale

Coinbase: Wallet Balance Tracking

Database: ACID vs BASE

Merge Intervals

Consistency Model for Messaging Systems

Robinhood: Decimal Precision

Kth Largest Element in an Array

What does ROW_NUMBER() OVER (PARTITION BY dept ORDER BY salary DESC) do?

LinkedIn: Feed Generation Strategy

Palantir: Ontology-Driven Data Integration

Encode and Decode Strings

Databricks: Data Skipping

TikTok: Bloom Filter for Seen Content

Coinbase: Batch Transaction Processing

Sliding Window: Problem Recognition

Debug a database deadlock issue

Product of Array Except Self

Meta: Two Pointer Pattern Recognition

Coinbase: Atomic Transaction Processing

Netflix: Event-Driven Architecture

Container With Most Water

Twitter Tweet Storage: Database Choice

Very Common Questions
40

Common Questions
60