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Tochka
Real technical interviewSeptember 19, 2025Tochka

ML System Design at Tochka

A real interview with the full timeline, linked technical questions and practice materials from Tochka.

3 questions8 cases1 hr 26 minAudio recording available

Аудио и материалы

Аудио собеседования

0:00 / 1:25:58

Этап 2 из 2TochkaML Engineer / Data Scientist2025-09-16 - 2025-09-19
Собеседования в Tochka: ML Engineer / Data Scientist

ML System Design в Tochka

Выводы и как готовиться

  • The case is a strong regulated-domain ML System Design example: the answer must optimize evidence, auditability and risk, not only model accuracy.
  • A local LLM is explicitly constrained by CPU throughput and sensitive data, so the mature design routes only hard fragments to expensive parsing.
  • The best system-design thread is blacklist-first candidate generation followed by high-precision context validation and turnover-share aggregation.
  • Monitoring needs bank/template breakdowns and reconciliation checks because one bank changing its statement format can break the parser quietly.
ML System Design at Tochka — ML Mentor