Butterfly network Interview Questions

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Butterfly network Interview Questions

Practice for the Butterfly network interview with these recently asked interview questions.

QuestionTopicDifficulty
Analytics
Hard

You work at Stack Overflow on the community team that monitors the health of the platform.

Community members can create a post to ask a question, and other users can reply with answers or comments to that question. The community can express their support for the post by upvoting or downvoting.

Example:

Input:

post_analytics table

Column Type Description
id INTEGER Primary key of posts table
user_id INTEGER ID of the user who created the post
created_at DATETIME Timestamp of the post
title VARCHAR Title of the post
body VARCHAR Text content of the post
comment_count INTEGER Total number of the comments on a post
view_count INTEGER Total number of the views on a post
answer_count INTEGER Total number of answers on a post
upvotes INTEGER Total number of upvotes on the post
  1. Given a table of Stack Overflow posts data, suggest three metrics to monitor the health of the community.

  2. Write the queries for these metrics in SQL.

SQL
Easy
A/B Testing
Medium
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Butterfly network Salaries by Position

Software Engineer*
$125K
Software Engineer
Median: $125K
Mean (Average): $125K
Data points: 1

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 $125,000 base salary while the Software Engineer role on average pays the least with a $125,000 base salary.

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