How do you tell clients that you need more data?
Director Data Science Interview Questions
453 director data science interview questions shared by candidates
Data Science Challenge
Tech screen / SQL - Find the top 10 users with most friends - Count the content for ‘shares’ and ‘comments’ amongst 2 users over the course of a year Onsite Case Analysis 1 - How would you assess the success of News Feed if you were to show content from family and friends primarily? - How would you define people you know in person and show content from those? - How would you measure the downside of showing primarily content from family and friends? - How about notifications sent to users – how would you define which notifications to send to users based on their close family etc? - How would you measure if the notifications you are sending are working? - How would you go about testing it? - How would you disambiguate results from an A/B test? - What kind of metrics would you track? Product Leadership – Cross-functional Partnership - Did you even have to push back product partners to collect more data to define/prioritize work? Case Analysis 2 - How would you measure the success of using smaller font in News Feed for text-based, video, photo content? - Say that the number of comments is decreasing but the session time is increasing? How would you assess whether that is good/bad - Say that decreasing the font size worked better for users in the US but not for folks in Thailand People Leadership - Questions about growing a team, etc.
SQL: count, joins, avg on FB data Case: If FB is going to launch a new feature, what should you do? How do you apply A/B testing? What would be the sample size? What metrics should you check?
How to present results to leadership with zero knowledge of the technical details.
My experience with production level ML systems at scale.
Explain any one of the project and if you are asked to redo it then will you apply the same approach or try something different?
Eran preguntas sobre liderazgo y decision making
- Presented with a banking case, have to provide a statistical/data science solution
- Poucas perguntas sobre os projetos e a forma de organização da equipe da empresa atual.
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