Wealthfront Interview Questions

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Wealthfront Interview Questions

Practice for the Wealthfront interview with these recently asked interview questions.

QuestionTopicDifficulty
Probability
Medium

Every night between 7 pm and midnight, two computing jobs from two different sources are randomly started with each one lasting an hour.

Unfortunately, when the jobs simultaneously run, they cause a failure in some of the company’s other nightly jobs, resulting in downtime for the company that costs $1000. 

The CEO, who has enough time today to hear one word, needs a single number representing the annual (365 days) cost of this problem.

Note: Write a function to simulate this problem and output an estimated cost 

Bonus - How would you solve this using probability?

Example:

Input:

n = 4

Output:

simulate_overlap(n) -> 0.4
SQL
Easy
SQL
Easy
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Wealthfront Salaries by Position

$128K
$206K
Software Engineer
Median: $175K
Mean (Average): $173K
Data points: 9
$150K
$175K
Data Scientist
Median: $150K
Mean (Average): $158K
Data points: 9

Most data science positions fall under different position titles depending on the actual role.

From the graph we can see that on average the Software Engineer role pays the most with a $172,667 base salary while the Data Scientist role on average pays the least with a $158,389 base salary.

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