The practical, learnable skills behind 'senior engineer' as a title rather than just a level — reviewing code well, giving feedback that lands, mentoring without doing someone else's job for them, and writing documents other engineers can actually act on.
The habits and communication skills that show up in senior/staff-level performance reviews — volunteering for reviews, giving useful feedback, mentoring well, unblocking teammates, and writing documents other engineers can act on.
The practical planning skills a senior engineer is expected to own — estimation techniques, breaking work into shippable slices, facilitating sprint planning, protecting scope, and turning capacity into a realistic, sustainable commitment.
