REI Systems Interview Questions
Published March 27, 2026
Estimated reading time: 5 minutes
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SQL
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Machine Learning
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REI Systems Interview Questions
Practice for the REI Systems interview with these recently asked interview questions.
| Question | Topic | Difficulty | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
SQL | Easy | |||||||||||||||||||||||
Write a SQL query to select the 2nd highest salary in the engineering department. Note: If more than one person shares the highest salary, the query should select the next highest salary. Example: Input:
Output:
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SQL | Medium | |||||||||||||||||||||||
SQL | Medium | |||||||||||||||||||||||
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SQL | Easy | |
Machine Learning | Medium | |
Statistics | Medium | |
SQL | Hard | |
Machine Learning | Medium | |
Python | Easy | |
Deep Learning | Hard | |
SQL | Medium | |
Statistics | Easy | |
Machine Learning | Hard |
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REI Systems Salaries by Position
Most data science positions fall under different position titles depending on the actual role.
From the graph we can see that on average the Product Manager role pays the most with a $165,000 base salary while the Data Engineer role on average pays the least with a $89,786 base salary.
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