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
Data Scientist
•
System Design
•
hard
Design a telemetry and data pipeline system to capture human-in-the-loop feedback (e.g., thumbs up/down, rewritten responses) for RLHF at scale.
#Data Pipelines
#RLHF
#Streaming Data
Data Scientist
•
System Design
•
hard
Design an automated evaluation pipeline (Auto-Eval) that uses a stronger model (e.g., Opus) to grade a weaker model's (e.g., Haiku) outputs. How do you detect and mitigate positional bias and verbosity bias in the evaluator?
#Auto-Evals
#LLM-as-a-Judge
#Bias Mitigation
Data Scientist
•
System Design
•
medium
Design a telemetry and metrics dashboard system to monitor Claude's real-time refusal rates across different API endpoints and customer tiers.
#Data Architecture
#Monitoring
#Streaming
Data Scientist
•
System Design
•
hard
How would you design a data pipeline to ingest, clean, and deduplicate 100TB of web-scraped text for LLM pre-training?
#Big Data
#Data Engineering
#Spark
Data Scientist
•
System Design
•
hard
Design an evaluation system to continuously benchmark Claude against competitor models (like GPT-4) using both automated metrics and human-in-the-loop.
#MLOps
#Evaluation
#Human-in-the-loop
Data Scientist
•
System Design
•
medium
Design a system to track and attribute compute costs (GPU hours) to specific research experiments, model runs, and individual data scientists.
#Data Modeling
#Cloud Infrastructure
#Analytics
Data Scientist
•
System Design
•
hard
Propose an architecture for storing and querying billions of vector embeddings to support internal retrieval-augmented generation (RAG) experiments.
#Vector Databases
#Search
#Scalability
Data Scientist
•
System Design
•
hard
Design a telemetry and analytics system to monitor Claude's response latency, token generation speed, and output quality in real-time.
#Data Pipelines
#Real-time Analytics
#Monitoring
Data Scientist
•
System Design
•
hard
How would you design a data pipeline to continuously evaluate model drift and degradation over time?
#MLOps
#Model Drift
#Data Engineering
Data Scientist
•
System Design
•
medium
Design an anomaly detection system to identify sudden spikes in API token usage that could indicate a compromised key or a scraping attack.
#Anomaly Detection
#Security
#Time Series
Difficulty Radar
Based on recent AI-sourced data.
Meet Your Interviewers
The "Standard" Interviewer
Senior EngineerFocuses on core competencies, system constraints, and clear communication.
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Think Out Loud
Always explain your thought process before writing code or drawing architecture.