People talk about "engineering leadership" like it's one thing. It's not. The job at each level is so different that the skills that make you great at one can actually hold you back at the next.
Tech Lead
Your leverage is code quality and mentoring. You're still close to the work — probably the closest. You set patterns, catch problems early, and raise the bar for the engineers around you. Success looks like a team that writes better code because of your influence.
The trap: thinking this is just a senior engineer with a title. It's not. The moment you become a tech lead, your output is measured by the team's output, not yours.
Manager
Your leverage is people development and delivery. You're responsible for making sure the team ships, but more importantly, you're responsible for making sure the team grows. One-on-ones, feedback, career conversations — these aren't overhead, they're the job.
The trap: optimizing for delivery at the expense of development. You can run a team hard and hit every sprint goal, but if your engineers aren't growing, you're borrowing from the future.
Manager of Managers
Your leverage is systems and org design. You don't manage the work anymore — you manage the system that produces the work. How are teams structured? Where are the handoffs? What's the escalation path when things break?
The trap: staying too close to individual teams. If you're in one team's standups every day, you're neglecting the others. Your job is the connective tissue.
Director and Beyond
Your leverage is strategy and alignment. You're connecting engineering work to business outcomes. The roadmap isn't a list of features — it's an argument for how technical investment creates business value.
The trap: losing touch with reality. The higher you go, the more abstract the work becomes, and the easier it is to operate on narratives instead of facts. The best leaders at this level stay connected to the ground truth, even when their day-to-day is meetings and documents.
Each transition requires letting go of what made you successful before. That never stops being uncomfortable.