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