
Trexquant Investment Data Scientist Interview Questions
& Process
Real candidates share what happened, how many rounds they had,
and how the experience turned out.
Based on 19 interview experiences · FREE TO READ
Candidate interview experiences
First-hand accounts from people who interviewed at Trexquant Investment.
Data Scientist
Started with an HR reachout, then an online assessment covering ML and DSA. After that, a technical interview involved 1-2 LeetCode medium/hard problems. The process concluded with an onsite superday, though I didn't proceed to the final round. My overall experience was positive, but surprisingly, no specific data science or machine learning questions were asked. The tech round itself went well, but the feedback from HR was that the team was seeking a candidate with 'more experience'.
- Could you describe your experience with machine learning and data structures?
- Were you asked any LeetCode-style algorithm or data structure questions, likely of medium difficulty?
Data Scientist
The interview process was not great. There were a couple of good interviews, but then I interviewed with the CEO, and it was strange. He asked odd questions, making it seem like I was exaggerating my experience. After being ghosted for two weeks, I followed up and was then rejected.
- Could you discuss project X?
Data Scientist
The first round was a mix of Chinese and English to check your English skills since the job is in China, and it involved a medium LeetCode problem. The second round was about a Hangman project where you had to improve a given baseline method from 18% success to at least 50%. The third round involved discussing your Hangman strategy and your CV projects, plus what you'd do if hired.
- Solve a medium LeetCode question.
- Improve the Hangman project baseline method (18% success rate) to achieve at least a 50% success rate.
- Discuss your Hangman strategy and your projects on your CV.
Trexquant Investment Data Scientist Interview Questions
Quoted word for word from Trexquant Investment interview reports.
“implement a hangman game in python”
Read reports →“Write Python 3 code to solve the 3Sums problem.”
Read reports →“Implement a stock parser function”
Read reports →“Build a Hangman game code homework that requires >0.5 accuracy”
Read reports →“Can you explain the difference between bagging and boosting?”
Read report →“Solve a medium LeetCode question.”
Read report →“Can you complete the take-home Hangman Challenge within a week?”
Read report →“Did you build an algorithm to solve the hangman game?”
Read report →“How would you process files using a bash script?”
Read report →Formats, difficulty and experience
Across all 19 Trexquant Investment interview reports.