Available question text
Design a system for delivery drivers where drivers can subscribe to real-time events. The system should support multiple topics and deliver events to all drivers who have subscribed to specific topic(s). The system should handle up to 100,000 drivers and allow for multiple custom validators with the ability to add more.
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Sources · 1 reference
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Hello Interview · 2 records
Amazon
Design a Pub-Sub System for Delivery Drivers
Reported Jan 6, 2025 · 1 source report
SENIOR
Source snapshot: Nov 12, 2026
View sourceSalesforce
Design a Pub-Sub System for Delivery Drivers
Reported Jul 14, 2026 · 1 source report
SENIOR
Source snapshot: Nov 12, 2026
View source