AI Can Write Code — But It Still Needs a Human Engineer at the Helm

Written by Andrew Mills on 2025-06-02

The age of AI-assisted software development is well underway. Tools like GitHub Copilot, ChatGPT, and Replit’s Ghostwriter have changed the way we approach programming, enabling faster prototyping, more accessible entry points, and in some cases, entire codebases generated from plain English prompts.

But there’s a growing narrative, particularly among solo developers and indie hackers, that AI can replace the need for professional software engineers altogether.

In practice, that approach is already showing cracks.

While AI can write a function, scaffold an app, or stitch together an interface — it doesn’t understand your system architecture, your security posture, or your edge cases. And that gap can quickly turn a promising MVP into a high-risk liability.


The Solopreneur Trap: Fast Builds, Fragile Foundations

We’re seeing a wave of solo founders and indie developers experimenting with building entire products using only AI tools. On the surface, it’s empowering: people without formal training are building and launching apps, websites, and SaaS tools at unprecedented speed.

But speed comes at a cost.

Too often, these AI-generated projects end up with gaping vulnerabilities: hardcoded API keys exposed in public repos, missing authentication checks, insecure data storage, or flawed logic that fails under load. I’ve personally reviewed projects where backend routes were wide open, or sensitive credentials were visible in plain text.

The problem isn’t that AI wrote bad code. It’s that no one reviewed it.

Without human oversight, AI-powered coding becomes like a self-driving car with no steering wheel. It works—until it really doesn’t.


AI as the Assistant, Not the Architect

From my experience building production-grade systems, the future isn’t code or humans. It’s code written by AI, guided and validated by experienced engineers.

Here’s where AI excels:

  • Scaffolding boilerplate
  • Generating repetitive CRUD logic
  • Translating pseudocode into functions
  • Refactoring code for readability
  • Explaining unfamiliar libraries or syntax

And here’s where humans are irreplaceable:

  • Designing secure, scalable architectures
  • Enforcing best practices and compliance
  • Performing code reviews and threat modelling
  • Writing nuanced logic for edge cases
  • Understanding business context and long-term maintainability

This hybrid approach is not only faster — it’s safer and more strategic. Engineers spend less time grinding through syntax and more time improving quality, resilience, and the overall system design.


Rethinking the Role of the Software Engineer

AI isn’t killing software engineering. It’s changing it.

We’re moving from manual code writing to curation, validation, and refinement. The role of a senior engineer is evolving into something closer to a systems architect, code reviewer, and product strategist — someone who ensures the machine is pointing in the right direction and not just generating plausible nonsense.

In this world, AI becomes the intern. It drafts. You edit. It suggests. You decide. It executes. You ensure it’s safe.

This shift also means engineering teams can scale more efficiently, dedicating human expertise to where it has the most impact — security, performance, UX, and long-term design.


Human-AI Collaboration Is the New Normal

We’re not heading toward a future where AI replaces developers. We’re heading toward a future where every developer is augmented by AI, and every codebase reflects a collaboration between synthetic speed and human judgment.

The key is knowing when to delegate — and when to step in.

For indie developers, that might mean hiring an expert to do a security audit before launch. For teams, it might mean adopting AI pair programming with tight CI/CD gates and robust testing frameworks. For everyone, it means treating AI as a tool — not a crutch.


Faster Isn’t Always Smarter

AI can write code. But only humans can make sure that code is secure, maintainable, and aligned with real-world requirements.

The future belongs to hybrid teams — whether that’s a solo founder working alongside a language model, or a professional engineering team integrating AI into their workflow.

In software, as in so many domains, speed without scrutiny leads to risk. But speed with strategy? That’s where the magic happens.

Copyright © 2025 Andrew Mills, All Rights Reserved.