Plaid Software Engineer Coding & Algorithms Interview Questions
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Plaid
Medium
Software EngineerCompute discounted prices in a queue
Given an integer array prices where prices[i] is the price of the i-th item in a checkout line, apply the following rule: for each i, find the first j...
Coding & Algorithms
0
0
Sep 6, 2025
Plaid
Medium
Software EngineerDesign a coupon redemption system
Implement an in-memory coupon service supporting: addCoupon(code, discount, expiresAt, totalLimit, perUserLimit); redeem(userId, code, now) -> success...
Coding & Algorithms
0
0
Sep 6, 2025