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Showing 34 of 34 posts

System Design: Maps Platform (Navigation, Routing, and Map Rendering)

System Design: Maps Platform (Navigation, Routing, and Map Rendering)

Design a maps platform serving 1B daily users with real-time routing, tile rendering, traffic overlays, and offline navigation.

System Design·Apr 27, 2026·79 min

System Design: GitHub (200M Repos, Git Object Storage, Sparse Trigram Code Search, Per-Job VM CI)

System Design: GitHub (200M Repos, Git Object Storage, Sparse Trigram Code Search, Per-Job VM CI)

Apr 23, 2026 · 69 min

System Design: Online Auction (50K Bids/sec, Effectively-Once Settlement, Anti-Sniping)

System Design: Online Auction (50K Bids/sec, Effectively-Once Settlement, Anti-Sniping)

Apr 17, 2026 · 83 min

System Design: Job Scheduler (10M Jobs/day, DAG Dependencies, Effectively-Once Execution)

System Design: Job Scheduler (10M Jobs/day, DAG Dependencies, Effectively-Once Execution)

Apr 15, 2026 · 61 min

System Design: LeetCode (Code Sandbox, Container Isolation, Real-Time Contests)

System Design: LeetCode (Code Sandbox, Container Isolation, Real-Time Contests)

Apr 12, 2026 · 68 min

System Design: URL Shortener (10B Short URLs, 100K Redirects/sec)

System Design: URL Shortener (10B Short URLs, 100K Redirects/sec)

Apr 11, 2026 · 42 min

System Design: Ad Click Aggregator (10B Clicks/day, Lambda Architecture, Fraud Detection)

System Design: Ad Click Aggregator (10B Clicks/day, Lambda Architecture, Fraud Detection)

System DesignData Engineering

Apr 10, 2026 · 70 min

System Design: Ad Exchange (Real-Time Bidding, Sub-100ms Auctions, DSP/SSP, Impression Serving)

System Design: Ad Exchange (Real-Time Bidding, Sub-100ms Auctions, DSP/SSP, Impression Serving)

Apr 10, 2026 · 59 min

System Design: E-Commerce Flash Sales (10M Users, Coupon System, One-Per-User Enforcement)

System Design: E-Commerce Flash Sales (10M Users, Coupon System, One-Per-User Enforcement)

Apr 5, 2026 · 106 min

System Design: News Aggregator (100K Sources, Dedup, Personalized Ranking)

System Design: News Aggregator (100K Sources, Dedup, Personalized Ranking)

Apr 5, 2026 · 86 min