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All questions
Every interview question we have reconstructed from candidate reports, across every company.
Questions
634
Companies
17
Latest report
Sep 2026
Company
Round
Free to read
Most reported
Latest
634 questions
System Design: Payment System
OpenAI
System Design
53 reports
Last reported Sep 2026
Disease/Epidemic Spreading Simulation
OpenAI
Coding
52 reports
Last reported Sep 2026
File Deduplication
Anthropic
Onsite Coding
50 reports
Last reported Sep 2026
GPU Credit Management System
OpenAI
Coding
50 reports
Last reported Sep 2026
aka GPU Credit System
Free
Bike Map
Stripe
Integration
49 reports
Last reported Sep 2026
aka Bikemap Integration
Web Crawler
Anthropic
Phone Screen
48 reports
Last reported Sep 2026
Free
System Design: CI/CD Pipeline
OpenAI
System Design
48 reports
Last reported Jun 2026
Free
Culture Fit / Behavioral Questions
Anthropic
Behavioral
43 reports
Last reported Sep 2026
Profiling / Stack Trace Analysis
Anthropic
Onsite Coding
42 reports
Last reported Sep 2026
aka Profiler
Inference API System Design
Anthropic
System Design
41 reports
Last reported Sep 2026
System Design: Slack
OpenAI
System Design
38 reports
Last reported May 2026
Shipping Cost Calculator
Stripe
Coding
36 reports
Last reported Mar 2026
aka Shipping Cost Calculation
Free
Transformer Debugging
OpenAI
Coding
35 reports
Last reported Sep 2026
Free
KV Store QPS / Hit Counter (Map Operations)
Databricks
Coding
35 reports
Last reported Aug 2026
Toy Language: Type Inference and AST
OpenAI
Coding
34 reports
Last reported Jul 2026
aka Toy Language Compiler/Interpreter
Why Anthropic?
Anthropic
Behavioral
33 reports
Last reported Sep 2026
IP CIDR Firewall Rules Matching
Databricks
Coding
33 reports
Last reported Aug 2026
Free
AI Safety Culture Fit
Anthropic
Behavioral
32 reports
Last reported Sep 2026
Subscription Email Scheduler
Stripe
Coding
32 reports
Last reported Sep 2026
aka Email Subscription Scheduling
Technical Deep Dive: Project Presentation
OpenAI
Behavioral
31 reports
Last reported Sep 2026
Optimal Commute Assignment / Shortest Path with Multiple Transport Modes
Databricks
Phone Screen
30 reports
Last reported Aug 2026
In-Memory SQL / Database Implementation
OpenAI
Coding
29 reports
Last reported Mar 2026
Key-Value Store Design and Implementation
OpenAI
Coding
28 reports
Last reported Aug 2026
Behavioral Questions (Databricks BQ Round)
Databricks
Behavioral
27 reports
Last reported Jul 2026
Mako Template Engine
Stripe
Bug Squash
27 reports
Last reported Jun 2026
aka Mako Debugging
Image Processing Pipeline
Anthropic
Onsite Coding
25 reports
Last reported Sep 2026
Behavioral Questions (Roblox BQ Round)
Roblox
Behavioral
25 reports
Last reported Aug 2026
Most Impactful Project / HM Behavioral
Anthropic
Behavioral
24 reports
Last reported Aug 2026
Behavioral Round
Stripe
Behavioral
23 reports
Last reported Sep 2026
Rate Limiter (Sliding Window)
Roblox
Coding
23 reports
Last reported Jul 2026
aka Sliding Window Rate Limiter
Free
Business Data Verification (KYC)
Stripe
Coding
22 reports
Last reported Sep 2026
aka Business Account Data Verification
Bookstore / Book Seller Platform System Design
Databricks
System Design
22 reports
Last reported Aug 2026
aka Bookstore System Design
System Design: ChatGPT / GPT Interactive Chat UI
OpenAI
System Design
22 reports
Last reported Jul 2026
Social Network: Followers, Snapshots and Recommendations
OpenAI
Coding
21 reports
Last reported Sep 2026
Design Sora / Video Generation Scheduling System
OpenAI
System Design
21 reports
Last reported Sep 2026
Project Deep Dive / Technical Presentation
Anthropic
Behavioral
21 reports
Last reported Aug 2026
aka Technical Project Deep Dive
Job Scheduler System Design
Robinhood
System Design
21 reports
Last reported Jul 2026
Distributed Machine Count (Tree Network)
OpenAI
Coding
20 reports
Last reported Sep 2026
aka Machine Topology
Payment–Invoice Matching
Stripe
Coding
20 reports
Last reported Sep 2026
aka Payment Invoice Matching
Free
Snapshot Set / Iterator Design
Databricks
Coding
20 reports
Last reported Jul 2026
aka Snapshot Set Iterator
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