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Targets/OpenAI/Set up the round

Practical coding assessment

Full practice round

ML Infrastructure Engineer · OpenAI60 min planned

Set up the room

Recommended values are set. Change what you like — we’ll tell you when a choice weakens the evidence.

Length

This practice round is 60 minutes.

Problem

Based on this Target’s interview model.

Difficulty

Senior, as planned for this Target.

Who runs it

Someone you trust can take the interviewer seat.

How you’ll talk

Use voice for spoken practice, or text for a written conversation.

Hints while you work

A coach can nudge you privately. It never reaches your feedback.

The brief, in short

Open the full brief →

Expect to be pushed on

What happens if progress is restored after the input changes?
Can memory remain bounded over a long run?

Do

  • State expected outcomes before tracing the code.
  • Keep the representation easy to inspect.

Avoid

  • Do not hide state semantics inside a library call.
  • Do not claim coverage from one happy-path example.

Why this round, now

You opened this round directly from the Target. No evidence-backed recommendation is attached.

What we’re watching this round

Specify observable behavior and what must be retained between operations.

It counts when

Complete a reviewable 60-minute attempt at the target bar.

Read the full brief
Practical coding assessment · 60 minWatching for: Specify observable behavior and what must be retained between operations.