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
Software Engineer
•
Coding
•
hard
Implement a basic version of the scaled dot-product attention mechanism using pure NumPy. Include an optional causal mask.
#Linear Algebra
#NumPy
#Transformers
Software Engineer
•
Technical
•
hard
Explain how Key-Value (KV) caching works during transformer inference. Why is it necessary, and what are the memory implications for long context windows?
#Transformers
#Inference
#Memory Management
#LLM Architecture
Software Engineer
•
Technical
•
hard
How would you optimize PyTorch dataloaders for training a model on a massive, multi-terabyte text dataset stored in AWS S3?
#PyTorch
#Data Pipelines
#Cloud Storage
#Performance Optimization
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.