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How is your experience aligned with the values of Spotify?

Please recount a situation when you received unfavorable feedback?

What is the connection between Gradient Descent and the training of deep learning models?

When have you taken a risk?

How would you extract and compute summary statistics such as the average duration and rolling sum from a set of (date, duration) tuples that have been filtered by a particular time period?

What SQL expression would you use to find rows in a database where the names begin with 'H'?

How would you design a recommendation system that tracks a user's music listening behavior and uses that data to suggest new songs or artists that they might enjoy? What features or characteristics would you use to model the user's listening history and how would you incorporate those into your recommendation algorithm?

Can you identify the crucial attributes of a data visualization that make it outstanding?

If you were working in the Data Scientistrole, what are some of the key success indicators you would keep in mind?

How would you design an A/B test to compare the effectiveness of two product campaigns, given data on their performance and a goal of detecting a 3% increase in effectiveness?