By mentoring and enabling others to grow. Frame the concept in practical terms so you can explain it during interview discussion.
A Senior Engineer should focus on amplifying the team's effectiveness. This includes mentoring junior developers, leading by example, and sharing knowledge to help others become more productive. For instance, during an e-commerce project sprint, a Senior Engineer might pair program with a junior developer to guide them through a complex feature, enhancing both their skills and the project timeline.
Additional Notes
How can a Senior Engineer act as a force multiplier for their team?