Why might an engineer who possesses superior technical coding skills be stalled at a senior individual-contributor level?

Answer

If they struggle to communicate complex designs to non-technical stakeholders or refuse to onboard new hires

Earning the true senior title, especially on a leadership track, requires effective communication across audiences and an ability to scale impact through others, even if technical skill is high.

Why might an engineer who possesses superior technical coding skills be stalled at a senior individual-contributor level?
jobcareerQualificationPositionsenior