Fitbit Interview Questions

Fitbit Interview Guides

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Data Structures & Algorithms
(35)
Machine Learning
(19)
SQL
(14)
Statistics
(7)
Business Case
(5)

Fitbit Interview Questions

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

QuestionTopicDifficulty
Data Structures & Algorithms
Easy

Given a list of numbers nums and an integer window_size, write a function moving_window to find the moving window average.

Example 1:

Input:

nums = [1,2,3,4,5,6]
window_size = 3

Output:

def moving_window(input, window_size) -> [1, 1.5, 2, 3, 4, 5]

Example 2:

Input:

nums = [1,2,3,4,5,6]
window_size = 4

Output:

def moving_window(input, window_size) -> [1, 1.5, 2, 2.5, 3.5, 4.5]
SQL
Easy
SQL
Medium
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Fitbit Salaries by Position

$99K
$193K
Software Engineer
Median: $152K
Mean (Average): $149K
Data points: 11
$130K
$159K
Data Engineer
Median: $141K
Mean (Average): $143K
Data points: 4
$99K
$144K
AI Research Scientist
Median: $119K
Mean (Average): $122K
Data points: 7
Business Analyst*
$111K
$124K
Business Analyst
Median: $117K
Mean (Average): $117K
Data points: 2
$66K
$123K
Data Analyst
Median: $100K
Mean (Average): $95K
Data points: 8

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 $149,182 base salary while the Data Analyst role on average pays the least with a $95,077 base salary.

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