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Behavioral and leadership · Coding · ML system design · System design
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Design a conversational AI system similar to ChatGPT that allows users to have natural language conversations and receive intelligent responses. Focus on a simple version…
Companies: Plaid, Kikoff, Microsoft, Modular +2
Last reported Oct 2026
Companies: Plaid
Last reported Oct 2026
Companies: Plaid
System Design
Last reported Aug 2026
Given a sequence of request timestamps (or events) and throttling rules (e.g., at most K requests per time window or a required cooldown between same…
Companies: Plaid, Google, Microsoft, Roblox
Last reported Jul 2026
Implement a rate limiter using a sliding window algorithm that tracks and limits the number of requests allowed within a given time window. Extend the…
Companies: Plaid, Adobe, Amazon, Cloudflare +4
Last reported Jul 2026
Companies: Plaid
ML System Design
Last reported Jun 2026
Design a fraud detection system that allows businesses to monitor transactions in real-time, identify suspicious activity, and automatically flag or block potentially…
Companies: Plaid, Airbnb, Google, Microsoft
ML System Design
Last reported Apr 2026