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Bloomberg

1 design problem known to be asked at Bloomberg.

Medium1

Design a URL Shortener

The canonical system-design interview, built end to end: how tiny.co/aB3xK9 becomes a database lookup in single-digit milliseconds — base62, key generation, the read-heavy cache, and the scale math that makes 7 characters last a century.

Asked at Amazon, Google, Microsoft +2
·20 min read