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System design
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Design a real-time messaging system like WhatsApp or Facebook Messenger that supports 1:1 and group conversations, message delivery status tracking, user presence features…
Companies: Higgsfield, Addepar, Airbnb, Airwallex +22
System Design
Last reported Apr 2026
Design a checkpointing system for large language models running on GPU clusters that can efficiently save model state during training and restore it for recovery…
Companies: Higgsfield, Meta
Last reported Apr 2026