Square / Block Interview Guide 2026: Process and Preparation

Square (now Block, the parent company of Square, Cash App, TIDAL, and TBD) builds payment infrastructure used by millions of merchants and consumers.

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For additional preparation, see our guide on Square, Cash App, and Block Interview Guide.

For additional preparation, see our guide on Square/Block Engineering Interview Guide.

The behavioral round is where many candidates fall short — prepare with our behavioral interview guide.

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