Vanguard Interview Questions
Published March 27, 2026
Estimated reading time: 5 minutes
Vanguard Interview Guides
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Data Structures & Algorithms
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SQL
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Machine Learning
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Probability
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Business Case
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Vanguard Interview Questions
Practice for the Vanguard interview with these recently asked interview questions.
| Question | Topic | Difficulty |
|---|---|---|
A/B Testing | Hard | |
Let’s say you want to test the close friends feature on Instagram Stories. How would you make a control group and test group to account for network effects? | ||
Data Structures & Algorithms | Medium | |
ML Ops | Hard | |
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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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Vanguard 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 Data Scientist role pays the most with a $131,559 base salary while the Software Engineer role on average pays the least with a $88,378 base salary.
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