Paypal ML System Design Interview Questions
Master your tech interview with our curated database of real questions from top companies.
4Questions
1Company
4 Questions 1 Company
Showing 4 results
PayPal
Hard
Machine Learning EngineerDesign RL-based spending limit policy
RL System Design: Per‑User Spending Limits You are designing a reinforcement learning (RL) system to set per-user spending limits in a payments/risk c...
ML System Design
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0
Sep 6, 2025
PayPal
Hard
Machine Learning EngineerDesign a traditional fraud detection system
Design an End-to-End Real-Time Payments Fraud Detection System Context: You are designing a fraud detection system for a large-scale online payments p...
ML System Design
0
0
Sep 6, 2025
PayPal
Hard
Data ScientistDetect credit-card transaction fraud
Credit-Card Fraud Detection: Decisions and System Design Context You are designing a real-time decisioning system for card transactions with strict la...
ML System Design
0
0
Aug 4, 2025
PayPal
Hard
Data ScientistDesign fraud detection from raw transactions
System Design: End-to-End Transaction Fraud Detection Context You are given a large, multi-table dataset of transactions and customer/merchant metadat...
ML System Design
0
0
Jul 31, 2025