Interview Formats

One interviewer. Three rounds.

Pick the format that matches your next interview. Same AI, different muscle. You can switch formats any time - credits are shared.

01

Theory

CS fundamentals, algorithms, language deep-dives.

  • Data structures and complexity questions.
  • Language internals: memory, concurrency, runtime.
  • Algorithm trade-offs and when to pick what.
Example question

Explain how a HashMap resizes - and what happens to in-flight reads during rehash.

Try Theory →
02

Practical

System design, architecture, real trade-offs with follow-ups.

  • Design under constraints: scale, latency, cost.
  • Trade-off questions with concrete numbers.
  • Production war stories and debugging drills.
Example question

Design a URL shortener for 10 billion redirects per month - where does the bottleneck move first?

Try Practical →
03

Behavioral

STAR stories, leadership, conflict and ambiguity.

  • Situation-Task-Action-Result framing drills.
  • Leadership and influence without authority.
  • Conflict, failure, and recovery stories.
Example question

Tell me about shipping something you weren't sure was going to work.

Try Behavioral →

Not sure which format?

Start with the format your next real interview will be. You can switch at any point.

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