Chime Interview Questions

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Machine Learning
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Chime Interview Questions

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

QuestionTopicDifficulty
SQL
Hard

We’re given a table of bank transactions with three columns, user_id, a deposit or withdrawal value (determined if the value is positive or negative), and created_at time for each transaction.

Write a query to get the total three-day rolling average for deposits by day.

Note: Please use the format '%Y-%m-%d' for the date in the outout

Example:

Input:

bank_transactions table

Column Type
user_id INTEGER
created_at DATETIME
transaction_value FLOAT

Output:

Column Type
dt VARCHAR
rolling_three_day FLOAT
SQL
Hard
Behavioral
Medium
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Chime Salaries by Position

Data Analyst*
$200K
Data Analyst
Median: $200K
Mean (Average): $200K
Data points: 1
$165K
$248K
Software Engineer
Median: $200K
Mean (Average): $200K
Data points: 28
Marketing Analyst*
$195K
Marketing Analyst
Median: $195K
Mean (Average): $195K
Data points: 1
Business Analyst*
$180K
Business Analyst
Median: $180K
Mean (Average): $180K
Data points: 1
$141K
$170K
Product Manager
Median: $170K
Mean (Average): $159K
Data points: 3
$133K
$170K
Data Scientist
Median: $150K
Mean (Average): $150K
Data points: 5

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

From the graph we can see that on average the Data Analyst role pays the most with a $200,000 base salary while the Data Scientist role on average pays the least with a $150,000 base salary.

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