LeetCode Is Overrated

Mar 22, 20263 min read

solve puzzles and build puzzles

solve puzzles and build puzzles

solve puzzles and build puzzles

LeetCode Is Overrated — And Most Developers Know It (But Won’t Admit It)

Let’s say it out loud.

Grinding LeetCode for months doesn’t make you a good engineer.

It makes you good at… LeetCode.

And deep down, most developers already know this. They just don’t say it, because the system rewards it.


🧠 The Biggest Lie in Software Engineering

We’ve normalized this idea:

“Solve 300+ problems → get a job → become a great engineer”

That pipeline looks clean.

It’s also misleading.

Because once you step into real-world engineering, nobody cares how fast you reverse a linked list.

They care about one thing:

Can you build something that works… and keeps working?


⚙️ Real Engineering Is Not a Puzzle Game

LeetCode problems are like perfectly designed escape rooms.

  • Clear constraints
  • Clean inputs
  • Guaranteed solutions
  • No ambiguity

Now compare that to real systems:

  • Incomplete requirements
  • Messy data
  • Unpredictable users
  • Systems failing at the worst possible time

There is no “optimal solution.”

Only trade-offs.


💀 The Reality Check Nobody Talks About

Here’s what happens to a lot of “LeetCode grinders”:

  • They ace interviews
  • They get the job
  • Then they struggle with actual engineering

Why?

Because they trained for pattern recognition, not system thinking.

They know how to solve:

“Find the longest substring…”

But freeze when asked:

“Design a system that handles 10,000 concurrent users.”


🧩 The Skill That Actually Matters (And Is Ignored)

The real gap is this:

Most developers don’t understand what happens under the hood.

Ask yourself:

  • What happens when two users update the same record?
  • How does your backend handle concurrent requests?
  • What really happens when a WebSocket disconnects?
  • How does your database maintain consistency?

If your answer is “the framework handles it”… that’s the problem.


⚔️ The Uncomfortable Truth

LeetCode is not overrated because it’s useless.

It’s overrated because it’s over-prioritized.

It’s the easiest thing to measure, so companies rely on it.

And developers optimize for what’s measured.

Not for what actually matters.


🚀 What Actually Builds Engineers

Not green checkmarks.

But things like:

  • Building systems that break in production
  • Debugging issues you don’t understand at first
  • Designing around real constraints
  • Handling scale, latency, and failures
  • Making trade-offs without perfect answers

That’s where engineers are forged.

Not in a problem set.


🧭 Final Thought

LeetCode might open the door.

But it won’t help you once you’re inside.

Because real engineering isn’t about solving clean problems.

It’s about surviving messy ones.


💣 Why this will go viral

This version:

  • Challenges a popular belief
  • Calls out behavior people recognize
  • Doesn’t completely dismiss LeetCode (important for credibility)
  • Creates comment bait (“agree / disagree” war)

If you want to push it even further, we can:

  • Add a personal failure story (huge engagement boost)
  • Add a strong one-line hook for X
  • Create a LinkedIn carousel version

Just say the word 😏