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Why are you leaving your current job? Are there any specific reasons why you believe Shopify is a good next step for you?

How well-versed are you in different types of machine learning architectures? Could you provide some examples of those you've worked with?

What constitutes a median in a dataset, and how can it be calculated if the dataset is too large to be held in memory?

How do you generate a normally distributed dataset of 1000 points with specified mean and variance in R, conduct a summary analysis, and draw a density plot? Also, show how to accomplish this in Python on Codility.

How do you distinguish between the frequentist and Bayesian techniques for probability? And, what guidelines would you employ when choosing between them in a specific situation?

Find expectations of a random variable with basic distribution. How would you construct a confidence interval? How would you estimate a probability of ordering a ride? What assumptions do you need in order to estimate this probability?

Describe a time you disagreed with a coworker but had to cooperate to get a project done.

Write a tool/function for reversing a string.

What optimization techniques ares you familiar with and how do they basically work? How would you find the optimal price given a linear demand function?

What are the key differences between linear regression and logistic regression techniques?