Joseph Heck · 2026-08-15 · notable
Joseph Heck — software engineering fundamentals matter more than ever
Joseph Heck argues that coding agents have crossed the line into useful, and that this makes engineering basics more valuable, not less. Working code is the start of the job, he writes; testable, maintainable, debuggable code is the job.
Agents can write code that runs; Heck argues the hard parts of engineering are still yours.
What is it?
Joseph Heck's post pushes back on the idea that agentic coding tools reduce the need for engineering skill. Heck grants the tools have crossed the threshold into genuinely useful. His claim is that 'it works' was never the finish line, so the part the tools do well is the part that was already easy.
How does it work?
Heck separates what today's models are good at from what they are not. Tool calling and instruction following, he says, are strong. Architectural decisions, interface design and long-term maintainability are not, because that work needs the kind of extended reasoning he argues prediction does not give you. He also flags a safety cost of good instruction following: a model that follows instructions cannot reliably tell a good instruction from an injected one.
Why does it matter?
The 'do juniors still need fundamentals' question is live on every engineering team right now, and Heck answers it from the maintenance side rather than the hiring side. His framing — that the seams between systems are where judgment still pays — gives teams a concrete place to spend review time instead of a general worry about AI-written code.
Who is it for?
engineers and leads adopting coding agents