Technical Communication and Decision Making Questions

Focuses on the ability to explain technical solutions, justify trade offs, and collaborate effectively across engineering and non engineering stakeholders. Topics include articulating design decisions and their impact on reliability performance and maintenance, walking through solutions step by step, explaining algorithmic complexity and trade offs, asking clarifying questions about requirements, writing clear comments documentation bug reports and tickets, conducting and communicating root cause analysis, participating constructively in code reviews, and negotiating quality versus delivery trade offs with product and operations partners. Interviewers evaluate clarity of expression, reasoning behind decisions, and the ability to make choices that balance short term needs and long term quality.

MediumTechnical

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Medium: A feature owner requests an optimistic O(1) caching strategy that could violate data correctness for rare edge cases. Explain how you would present the correctness vs performance trade-off to engineers and non-engineers, and propose how to limit user impact while delivering the performance gains.

HardTechnical

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Hard: You're asked to evaluate two algorithms for leaderboard ranking: Algorithm A recomputes top-K periodically (batch), Algorithm B updates incrementally on every score change. Prepare a short technical recommendation that explains scaling behaviour, consistency, operational complexity, and which metrics to expose to decide between them at scale (100M users, 1M updates/min).

MediumTechnical

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Medium: Present a one-page incident-control plan you would use during an outage that involves multiple teams. Include who calls incident, communication cadence, public communication, and the point where the incident is declared resolved.

MediumTechnical

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Medium: Describe a concise framework (3–5 steps) you use to run a productive technical design meeting with engineers and product managers so decisions are made and responsibilities assigned. Explain what artifacts you produce during or after the meeting.

EasyBehavioral

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During a code review you find a function with unclear variable names and no tests. Draft a short, constructive code review comment (3–5 sentences) that points out the issues and suggests improvements while maintaining psychological safety.

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