Technical Screen

Tree Deletions and Four-in-a-Row Detection

SnowflakeSoftware Engineer · Technical Screen · Sep 2026

The author reports two Snowflake coding interviews, each lasting about an hour in an executable editor without AI assistance. The sessions included introductions or project discussion, technical work, and time for questions. The first round examined a multi-child tree where deleting a node promotes its children rather than removing its entire subtree. The initial task asked for the resulting heig…

Shared by a candidate · reported Sep 2026. Interview formats change; use it as a guide, not a script.