AI Is Creating Code Developers Don’t Understand

AI Is Creating Code Developers Don’t Understand

Joberty
3 min read
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Developers are shipping more code than ever. AI tools can generate functions, APIs, and even entire features in seconds. But there’s a growing problem hiding underneath that speed: We’re starting to understand less of the code we ship.

Some call it “vibe coding.”
Prompt → generate → tweak → repeat.

It works until you have to change it.

What “Vibe Coding” Actually Is

“Vibe coding” isn’t just a meme; it’s a real shift in how software gets built.

The term was introduced by Andrej Karpathy and refers to a style of development where:

💡
You describe intent in natural language, and AI generates the code for you.

Instead of:

  • writing syntax
  • structuring logic manually
  • designing everything upfront

You:

  • prompt
  • test
  • tweak
  • repeat

It’s fast, flexible, and surprisingly productive, especially for prototyping.

Why It Feels So Good

Vibe coding taps into something developers love: flow.

  • No boilerplate
  • No context switching
  • No digging through docs

You just build.

In fact, the whole idea is “code first, refine later” —which aligns perfectly with modern rapid iteration.

And it works.

That’s why:

  • startups are raising billions around AI coding tools
  • non-developers are building real apps
  • experienced devs are shipping faster than ever

AI makes it easier to ship code quickly—but not necessarily to understand it.

According to SonarSource’s 2026 State of Code Report, 96% of developers don’t fully trust AI-generated code without manual review.

At the same time, research from GitHub shows developers are completing tasks significantly faster with AI tools.

The result is a shift in how software gets built:

More code is produced.
But more of it needs to be verified, understood, and changed later.

The Problem Starts Later

The issue isn’t writing code.

It’s owning it.

Because vibe coding often creates a dangerous pattern:

Code you didn’t fully write.
Code you don’t fully understand.
Code you’re still responsible for.

Research is already pointing this out.

  • Vibe coding introduces technical debt and maintainability issues
  • Developers often prioritize speed over structure
  • QA and testing are frequently skipped or delegated back to AI

In other words:

💡
You move fast, but you inherit complexity you didn’t design.

The “It Works” Trap

One of the biggest risks with vibe coding is psychological.

If the app runs, you assume it’s correct.

But AI-generated code can:

  • hide edge-case bugs
  • introduce security issues
  • lack consistency across the codebase

Studies and industry reports have already flagged this:

  • AI-generated code can include serious security vulnerabilities
  • Some tools prioritize speed and usability over secure design

And the worst part?

You often don’t notice until much later, when:

  • scaling breaks things
  • new features conflict
  • or production issues appear

Maintenance Is Where Vibe Coding Breaks Down

This is where things get real.

Software isn’t just built; you have to work with it later.

And that requires:

  • understanding why decisions were made
  • tracing logic across systems
  • debugging unexpected behavior

But vibe coding shifts development into a loop of:

prompt → output → patch → repeat

Instead of:

design → implement → understand → improve

That difference matters over time.

Even early research shows:

  • developers using AI rely on iterative trial-and-error instead of structured reasoning
  • expertise shifts from writing code → evaluating it

Which sounds efficient, until systems grow.

The Balkan Reality: Why This Matters More Here

For developers in the Balkans, this trend hits differently.

The region has built a reputation on:

  • strong engineering fundamentals
  • problem-solving skills
  • ability to maintain complex systems

That’s exactly what vibe coding de-emphasizes.

And that creates both risk and opportunity.

⚠️ The risk:

Developers who rely too heavily on AI without understanding systems may:

  • struggle with debugging
  • become dependent on tools
  • lose depth over time

The opportunity:

Developers who combine:

  • AI speed
  • with real engineering fundamentals

become significantly more valuable.

Because companies are already realizing that generating code is easy, debugging it isn’t.

Vibe Coding Isn’t the Problem

Let’s be clear, vibe coding itself isn’t bad.

It’s incredibly useful for:

  • prototyping
  • side projects
  • early-stage development
  • exploring ideas quickly
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But it breaks when it becomes the default way of building production systems.

The Shift That’s Happening

We’re entering a new phase of software development:

  • AI handles generation
  • Developers handle validation, structure, and ownership

Or put simply: The job is shifting from writing code → understanding it.

Final Thoughts

Vibe coding feels like the future. And in many ways, it is. But the industry is already learning an important lesson:

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Speed without understanding doesn’t scale.

So the question isn’t whether you should use AI.

It’s: Are you building systems you can actually build on top of? Because eventually, every line of code, no matter how it was written, becomes your responsibility.

DEV

[10:27 AM]