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Companies / Ethos

Ethos interview questions

Explore questions associated with Ethos. Review the source details, then use the workspace for code, notes, and diagrams.

3 questions in the library. A source association does not guarantee a future interview question.

Object-oriented design · System design

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Ethos interview questions | SysRound

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3 questions

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System designDifficulty not specified
Design a Publisher-Subscriber Message queue
Design a message queue system that enables multiple publishers to send messages to topics and multiple subscribers to consume messages, ensuring at-most-once delivery guarantee.
Companies: Ethos, Amazon, Anchorage Digital, Opal Security
Last reported Apr 2026
Open workspace
System designMedium
Design a stock trading platform
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: Ethos, Block, Coinbase, Coupang +7
System Design
Last reported Mar 2026
Open workspace
Object-oriented designDifficulty not specified
Design a pattern matching system

Design a system that allows users to perform wildcard pattern matching operations, supporting characters like '*' and '?' for flexible string matching and search functionality.

Companies: Ethos

Last reported Oct 2025