I completed four interview rounds and one HackerRank test, felt confident about my performance, but received a rejection without specific feedback, leaving me unsure about the reasons and improve further.
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Other Senior Data Scientist interview reviews for PayPal
I applied online. I interviewed at PayPal (Chicago, IL) in Feb 2026
Interview
Start with Screening with a recruiter, followed by 4 rounds.
R1: SQL + Python questions (Easy/Medium) + DS/ML theory
R2: Mini case (Risk) + SQL + Python questions (Easy/Medium)
R3: Mini case (Risk) + Past Experience based
R4: Business Strategy (Risk) + Past Experience based
Interview questions [1]
Question 1
SQL: Window functions and grouping
Python: All pairs with a sum equal to x
Case: on credit policy + root cause of origination bottleneck
DS/ML: Handling outliers + XGBoost working
I applied online. I interviewed at PayPal (Bengaluru)
Interview
Had 3-4 rounds of interview which went well. Last round was more of a discussion and I was very hopeful of an offer but in the end they never came back. When I called the HR after 3 weeks , she said she has not heard a decision but suggested to not wait even though my feedback was positive . Seemed like an internal hiring in the end
Thank you for sharing your interview experience with us. Your feedback is valuable and will help us understand how we can evolve our interview process. We hope you can find another role on our website that fits your interest and join our team!
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