How to speak intelligently with a team leader if you want to grow

At the BoF, in contrast to talks and roundtables, there is no division into participants and presenters: here everyone interacts with each other as equals. The main thing is not to off-topic and discuss the topic.

Let's break the career path down to its molecules. What to do if you feel like you've been stuck in one role? What to consider before you go to a lead? How do you start a conversation with a team leader, and what are the success factors? Let's gather opinions and experiences from both sides - HRBP and techlead.