UUber
Transportation · Logistics · Food Delivery
最新题目
Describe your most interesting or crucial project
DDynatrace
Observability · AIOps
最新题目
A Time You Diagnosed a Performance Problem
ZZapier
Workflow Automation · iPaaS
最新题目
Add Two Numbers (Linked List)
MMiro
Visual Collaboration · Whiteboard
最新题目
Remove All Adjacent Duplicates in String
最新题目
Design a Doc-as-App Model: Tables + Formulas + Buttons (OOD)
最新题目
Generate a String From Binary Tree Node Values
QQualcomm
Mobile Semiconductors
最新题目
Double Pointers: Modify a Pointer Via a Function
DDell Technologies
Hardware · Enterprise IT
最新题目
Maximum Subarray (Kadane)
VVercel
Frontend Cloud · Deployment
最新题目
Take-Home: Build a File Management App (Practical)
最新题目
Computer Architecture & OOP Design Deep Dive
PPalantir
Data Analytics · Defense
最新题目
Implement a Graph: Add/Remove Nodes & Edges, Path Search, Cycle Detection
IIBM
Enterprise Technology · AI
最新题目
Design a Scalable Document Search Service
最新题目
API Calls: Fetch, Parse, and Compute
最新题目
Course Schedule (Topological Sort)
DDatabricks
Data & AI Platform
最新题目
Word Ladder (Shortest Transformation)
AAkamai
CDN · Cloud Security
最新题目
Networking & OS Fundamentals Deep Dive
NNetflix
Streaming · Entertainment
最新题目
Design Netflix Video Streaming
DDatadog
Observability · Monitoring
最新题目
Merge Sorted Streams / Top-K
SSupabase
Open-source Backend · DB
最新题目
Practical: Implement Row-Level Security Filtering
IIntuit
Financial · Tax Software
最新题目
Design a Personal Finance / Expense Categorization System
RRetool
Internal Tools · No-code
最新题目
Design a Reactive State System for an App Builder (OOD)
AAirtable
Database · No-code
最新题目
A Time You Balanced Product Polish and Speed
CCloudflare
CDN · Network Security
最新题目
Implement an LFU / TTL Cache
MMake (Integromat)
Workflow Automation
最新题目
A Time You Learned a New Domain Quickly
CConfluent
Data Streaming · Kafka
最新题目
Concurrency: Reliable In-Order Event Processing
最新题目
Longest Substring Without Repeating Characters
HHPE
Enterprise Hardware · Cloud
最新题目
Find the Duplicate Number
NNew Relic
Observability · APM
最新题目
Two Sum / Hash Map Fundamentals
最新题目
Design Dropbox File Sync / Storage
最新题目
What Makes Well-Crafted, Maintainable Code?
AAutodesk
Design · CAD Software
最新题目
Valid Parentheses (Stack)
PPlanetScale
Serverless Database · MySQL
最新题目
Route a Query to the Correct Shard (Practical)
SSnowflake
Data Cloud · Warehousing
最新题目
Design a Thread-Safe Concurrent LRU Cache
最新题目
Find All Subarrays With a Given Sum
LLinear
Issue Tracking · Dev Tools
最新题目
Design a Fast Issue-Tracking System
HHashiCorp
Infrastructure Automation
最新题目
Implement a Key-Value Store With Transactions (Go)
SServiceNow
Enterprise Service Mgmt
最新题目
A Time You Handled Conflicting Priorities
AAmplitude
Product Analytics
最新题目
Design an Event Tracking SDK / Client (OOD)
CCisco
Networking · Security
最新题目
Search in Rotated Sorted Array
FFigma
Design · Collaboration
最新题目
Design Figma's Component Model (OOD)