Cloudflare
Senior
Cloudflare Senior Data Scientist, Austin — GenAI-powered analytics on the Data Intelligence & Analytics platform
Cloudflare's Data Intelligence & Analytics org is hiring a Senior Data Scientist in Austin to build scalable AI/ML models and GenAI-powered application backends on top of the company's data lake, partnering with data and full-stack engineers across Python/React/TypeScript. With 5+ years of experience expected in a PB-scale, globally distributed environment, plus hiring/mentoring responsibilities, this interview will test both statistical/ML depth and the ability to operate as a technical leader who also codes.
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What this interview tests
- Statistical/ML modeling tied to business outcomes
- GenAI application backends: LLM frameworks, vector databases, agents
- PB-scale data engineering: Python, Spark, SQL, BigQuery-class tools
- Publishing models/insights at scale with engineering rigor
- Cross-functional storytelling and executive presentation
- Hiring and mentoring data scientists
Common question themes
Walk me through a data science project where your model directly drove revenue or customer growth
How would you design and productionize a GenAI-powered agent or chatbot backend at scale
Tell me about a time you found a statistically significant trend that changed a business decision
How do you apply software engineering best practices to publish model outputs reliably in production
How would you evaluate a candidate for this data science team, and what would you look for
Describe presenting a complex, ambiguous analysis to a non-technical executive
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