Whiteboard and Deep Dive a Past Project
RemitlySoftware Engineer · Onsite
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This question evaluates a candidate's end-to-end system design skills, including architecture decomposition, trade-off analysis, data consistency choices, scalability and resiliency patterns, and integration of operational practices for a user-facing distributed service.
Whiteboard the end-to-end architecture of a past project you led. Explain the major components, data flows, storage choices, and external dependencies. Detail key trade-offs you made (e.g., consistency vs. availability, latency vs. cost), how you handled scaling and failure recovery, and how you tested, monitored, and iterated on the design. Conclude with what you would change if you rebuilt it today.
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