System Design·60 minMembers

Online Banking Application (System Design)

Members only

The default Power Day system design prompt. Design Capital One's online banking app — multi-account types (Checking, Savings, Mortgage, Auto Loan), money movement (deposit, withdraw, transfer, Zelle),...

SWE

system-design

payment

transactions

idempotency

schema-design

persistence

distributed-systems

Frequency

Medium

Last asked

2026-01-17

Stage

onsite-system-design

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