Early in my career as an engineering lead, I made the mistake that most new leads make: I tried to be the decision bottleneck. Every technical choice ran through me. What framework to use, how to structure a module, which API pattern to follow. The result was predictable. I became the slowest part of the team. Developers waited for my approval on decisions they were perfectly capable of making themselves. Worse, they stopped developing their own judgment because they never had to exercise it.
The shift that transformed how my teams operate was moving from decision-making to decision-enabling. My role became building the context, constraints, and frameworks that let developers make good decisions independently.
Give Context, Not Directives
When a developer asks “should I use Redis or Memcached for this cache layer,” the instinct is to give an answer. But the answer matters less than the reasoning. If I say “use Redis,” the developer learns nothing. The next time they face a caching decision, they are back at my desk. If instead I share the decision framework, they can handle this decision and the next hundred like it.
The framework I use is straightforward: start with the constraints. What are the data structure requirements? Do you need sorted sets, pub/sub, or persistence? What is the operational overhead the team is willing to accept? What does the existing infrastructure already support? When you lay out these factors, the “right” answer usually becomes obvious to the developer without you stating it. They arrive at the decision themselves, and they understand why.
This approach is slower the first time but dramatically faster over time. A team of eight developers who can each make good technical decisions independently will outperform a team of eight developers waiting on a single lead by an order of magnitude. The lead becomes a multiplier rather than a constraint.
Create Guardrails, Not Gates
The fear behind decision bottlenecks is that someone will make a bad decision. That fear is not unfounded. Junior developers will occasionally choose the wrong tool, over-engineer a solution, or introduce a pattern that does not scale. But the solution is not to prevent them from deciding. It is to create an environment where bad decisions are caught early and cheaply.
Architecture Decision Records, or ADRs, are the most effective guardrail I have implemented. Before starting significant technical work, the developer writes a short document: what is the problem, what options were considered, what was chosen, and why. This is not a request for approval. It is a thinking tool that forces articulation of reasoning. The document gets reviewed asynchronously by the team, and feedback focuses on gaps in reasoning rather than prescribing alternatives.
Paired with solid CI pipelines, automated testing, and code review, ADRs create a system where developers have autonomy within boundaries. They can make bold technical choices knowing that the safety net of peer review, automated checks, and reversible deployments will catch genuine mistakes before they reach production.
Mentorship Through Debugging
The highest-leverage mentorship moments happen during production incidents and debugging sessions, not in scheduled one-on-ones. When a developer is stuck on a problem, the temptation is to take the keyboard and fix it. Resist this. Instead, guide them through the diagnostic process. Ask what they have tried, what they expect to see versus what they actually see, and what their hypothesis is. If they do not have a hypothesis, help them form one.
This is painful when you can see the bug and could fix it in two minutes. But the developer who debugs the issue with guidance learns the diagnostic pattern. The next time a similar problem arises, they solve it in two minutes by themselves. Over months, this compounds. The developers I have mentored this way consistently grow into leads themselves because they developed judgment through practice rather than learning to follow instructions. The investment in slower problem-solving today creates faster, more autonomous teams tomorrow.