Bloomberg L.P. Interview Questions

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Data Structures & Algorithms
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Bloomberg L.P. Interview Questions

Practice for the Bloomberg L.P. interview with these recently asked interview questions.

QuestionTopicDifficulty
SQL
Hard

Given a table of product subscriptions with a subscription start date and end date for each user, write a query that returns true or false whether or not each user has a subscription date range that overlaps with any other completed subscription.

Completed subscriptions have end_date recorded.

Example:

Input:

subscriptions table

Column Type
user_id INTEGER
start_date DATETIME
end_date DATETIME
user_id start_date end_date
1 2019-01-01 2019-01-31
2 2019-01-15 2019-01-17
3 2019-01-29 2019-02-04
4 2019-02-05 2019-02-10

Output:

user_id overlap
1 1
2 1
3 1
4 0
Data Structures & Algorithms
Medium
Data Structures & Algorithms
Easy
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Bloomberg L.P. Salaries by Position

AI Research Scientist*
$250K
$255K
AI Research Scientist
Median: $253K
Mean (Average): $253K
Data points: 2
$126K
$331K
Product Manager
Median: $185K
Mean (Average): $208K
Data points: 14
$120K
$255K
ML Engineer
Median: $205K
Mean (Average): $194K
Data points: 9
$101K
$270K
Software Engineer
Median: $165K
Mean (Average): $175K
Data points: 741
Marketing Analyst*
$170K
Marketing Analyst
Median: $170K
Mean (Average): $170K
Data points: 1
$138K
$201K
Data Engineer
Median: $163K
Mean (Average): $166K
Data points: 13
$69K
$220K
Data Analyst
Median: $120K
Mean (Average): $131K
Data points: 57
$90K
$172K
Data Scientist
Median: $115K
Mean (Average): $127K
Data points: 17
$80K
$137K
Product Analyst
Median: $102K
Mean (Average): $104K
Data points: 9
$55K
$154K
Business Analyst
Median: $102K
Mean (Average): $103K
Data points: 13
Business Intelligence*
$90K
Business Intelligence
Median: $90K
Mean (Average): $90K
Data points: 2

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

From the graph we can see that on average the AI Research Scientist role pays the most with a $252,500 base salary while the Business Intelligence role on average pays the least with a $90,000 base salary.

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