Find the question. Understand what it reveals.

For engineers preparing for interviews, promotion, or technical management. Compare approaches, examine evidence, and explain your contribution—from technical depth to business understanding.

Start with the preparation guide Curated sets

Library total: 1334 questions · Chinese and English · Explore only what you need

Technical depth, with broader business understanding

Product sense, operating workflows, and design collaboration help engineers understand why they build and how work creates value. These are capability perspectives, not separate job tracks.

Product judgment Operating workflows Discovery and design collaboration

Start with a few questions

All curated sets

General interview Use eight cross-domain prompts to practice explaining experience, decomposing problems, making trade-offs, and reflecting.8 questions Technical essentials Practice in sequence from fundamentals and coding through debugging, system design, engineering systems, and AI.9 questions Role due diligence Use reverse questions for mutual due diligence: clarify real work, responsibility conditions, and organizational support before deciding on a role or promotion.