Anthropic
AI safety and research company behind Claude, focusing on constitutional AI.
5 Rounds
~20 Days
Very Hard
The Interview Loop
Recruiter Screen (30 min)
Standard fit check, behavioral questions, and resume overview.
Technical Loop (3-4 Rounds)
Deep dive into domain knowledge, coding, and system design.
Interview Question Bank
Frontend Engineer
•
System Design
•
hard
Design the frontend architecture for the Claude web application. Focus on state management for chat histories, handling real-time streaming responses, and offline capabilities.
#Architecture
#State Management
#Real-time
#Offline Storage
Frontend Engineer
•
System Design
•
hard
Design an internal data labeling and evaluation tool for RLHF (Reinforcement Learning from Human Feedback). The tool needs to display two model outputs side-by-side and allow researchers to annotate specific spans of text.
#UX/UI
#Data Handling
#Component Design
#Internal Tools
Frontend Engineer
•
System Design
•
medium
Design a telemetry and error tracking system for the frontend that helps engineers debug issues without capturing or logging sensitive user prompts or PII.
#Observability
#Privacy
#Error Handling
Frontend Engineer
•
System Design
•
hard
Design a real-time collaborative prompt engineering playground where multiple users can edit a prompt and see model outputs simultaneously.
#CRDTs
#WebSockets
#Collaboration
#Concurrency
Frontend Engineer
•
System Design
•
hard
Design the frontend for a model evaluation dashboard that needs to render charts and tables for millions of data points efficiently.
#Data Visualization
#Web Workers
#Canvas/WebGL
#Pagination
Frontend Engineer
•
System Design
•
medium
Design a system to handle file uploads (e.g., large PDFs or datasets) from the client to the server for Claude to analyze, including progress indicators and resumable uploads.
#File Uploads
#Chunking
#UX
#Network
Frontend Engineer
•
System Design
•
medium
Design a robust frontend caching layer for LLM responses to avoid redundant API calls when a user navigates back and forth through their chat history.
#Caching
#State Management
#Performance
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
SimulateUnwritten Rules
Think Out Loud
Always explain your thought process before writing code or drawing architecture.