How Tinder Works: Asymmetric Match Graph at Scale

A look at how Tinder works. Tinder does ~1.6 billion swipes per day across 70+ countries, and the architectural problem nobody talks about is the match-graph asymmetry: most right-swipes never produce a match, so the write-heavy path (every swipe is recorded) is decoupled from the read-heavy path (matches are rare bidirectional edges). Tinder’s architecture optimizes… Continue reading