How Monzo built a ‘Stand-in’ platform to sidestep costly outages

Estimated reading time: 4 minutes

The digital bank has built a simplified backup platform with six engineers and costing just 1% of its total cloud bill, allowing customers to access their money during an outage.

In today’s world, where nearly every financial interaction – from buying groceries to paying rent – depends on digital infrastructure, reliability isn’t a luxury; it’s a necessity. 

For a bank like Monzo, with over 12 million customers and no branches to fall back on, even a brief outage can have outsized consequences: failed card payments, frozen balances, and customers stranded without access to their money.

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