AI companies make you design the systems they actually run — my system design was not ready for that
Full-stack Engineer·Onsite·2026
Reddit · reddit.com
why is it difficult to get interviews in 2026
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OpenAI / SWE
companies/openai/swe
2 Comments
Study the systems they themselves run — not generic system design. This is specific and actionable. Streaming pipelines and token-level latency are a different prep track.
The chat app prompt being "uncomfortably close to the real product" is exactly why it catches people. Interviewers live in that system every day.