Expectations scale dramatically by level.
Junior (- years): Strong SQL, basic Python, understand pipeline concepts. % coding focus.
Mid-level (- years): Own pipelines end-to-end. Deep tool knowledge. % coding, % system design.
Senior (+ years): Architecture decisions. Cross-team impact. % system design, % behavioral.
Staff+: Organization-wide platform strategy. Technical vision.
Note: Downleveling is common at big tech companies. Prepare for one level above your target.