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Explore questions associated with Wise. Review the source details, then use the workspace for code, notes, and diagrams.
13 questions in the library. A source association does not guarantee a future interview question.
Behavioral and leadership · Coding · System design
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Implement a Web API client with circuit breaker functionality that blocks requests to a service after 3 failures within 10 minutes, then reopens after a…
Companies: Wise, Databricks, Uber
Last reported Oct 2026
Design a scalable, highly accurate, and reliable interest accrual system for a multi-currency balance product that determines minimum daily balances, calculates and accrues…
Companies: Wise
Last reported Oct 2026
Design a system that allows customers to purchase a selected number of company shares using their existing account balance during a limited-time crowdfunding event. The…
Companies: Wise
Last reported Sep 2026
Design a system that tracks the total value of all completed transactions over a rolling 24-hour window and displays the aggregated total converted into 50…
Companies: Wise
Last reported Sep 2026
Debug and improve an existing payment transfer order service by fixing code issues and enhancing data consistency through proper use of transactions and locks.
Companies: Wise
Last reported Jun 2026
Design a payment system that can accept 10,000 transactions per second of incoming payments and periodically pay out merchants based on their accumulated earnings.
Companies: Wise, Adyen, Stripe, Uber
Last reported May 2026
Design a simplified stock trading platform that supports limit orders for buying and selling stocks, with basic portfolio tracking capabilities at small scale (100 writes…
Companies: Wise, Block, Coinbase, Coupang +7
System Design
Last reported May 2026
Companies: Wise
Last reported Apr 2026
Companies: Wise, Adyen, Amazon, Anthropic +37
Last reported Apr 2026
Companies: Wise
Last reported Apr 2026
Design a high-availability, low-latency stock trading service that allows users to buy/sell stocks, view live prices, manage portfolios, and access historical data.
Companies: Wise, Amazon, Bloomberg, SoFi
Last reported Mar 2026
Design a distributed job scheduler that can handle high-throughput job processing (10,000+ jobs per second), support both scheduled (cron-based) and ad-hoc job execution…
Companies: Wise, Airbnb, Apple, Autodesk +25
System Design
Last reported May 2025
Replicated append-only logs: partition ordering, safe failover, independent consumer progress, and bounded retention under slow readers.
Companies: Wise, Amazon, Confluent, Meta +1
backpressure · consumer-groups · log-storage · ordering