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Design a human-feedback data platform to collect the preference data that trains and aligns your models.

RLHF and evals are only as good as the preference data behind them, and that data is generated by humans whose quality varies wildly. The platform that produces trustworthy labels is itself a serious system. Here is its design.

Updated Aug 2026 · Grounded in real Applied AI Engineer interview loops and written to a senior-engineer editorial bar.

RLHF and evals are only as good as the preference data behind them, and that data is generated by humans whose quality varies wildly. The platform that produces trustworthy labels is itself a serious system. Here is its design.

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