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Will AI replace software engineers? - Facebook
21 hours ago ... Ian Turner the worst isn't the code but the fact AI cannot do test driven development. And anyone trusting the AI to write the tests + the code deserves ...
You're Spending Six Figures on AI Models. The Bottleneck Is a 4 ...
For fifty years, every piece of software was built for you. The compiler waits because you need time to read the output. The API paginates because that’s what fits on your screen. The test framework takes five seconds to start because you weren’t going to act on the results any faster. Every timeout, every rate limit, every login screen was calibrated to the pace of a brain that processes about 3 bits per second. Nobody decided to make it slow. You were always the slowest thing in the system, and everything else just had to keep up with you. Which wasn’t hard.That’s not true anymore.AI agents now operate at 10-50x human speed on reasoning tasks, and they’re running into a wall that has nothing to do with how smart the models are. Jeff Dean said at GTC that making a model infinitely fast would only get you a 2-3x improvement end to end. The tools eat the rest. We spent a trillion dollars teaching sand to think, and now we’re bottlenecking it on compilers, file systems, and authentication flows that were designed for human hands. The other 47x is just gone, absorbed by a stack that was built for your pace.The software isn’t being built for you anymore. It’s being rebuilt for a consumer that doesn’t have eyes, doesn’t have hands, and doesn’t take breaks. This piece is about what that means — for the tools, for the organizations that depend on them, and for the humans who are moving from the center of the system to above it.What’s inside:The bottleneck shift and the three-layer rebuild. What happens when agents hit 50x and the tools can’t keep up — and the faster tools, agent-native primitives, and infrastructure already replacing them.What happens to the human. The evidence hiding in the METR study and Jellyfish data, the upstream migration from execution to judgment, and the Amdahl math behind all of it.What to do about it. Concrete moves for engineers, leaders, platform buyers, and company builders — and where this goes from here.Put it to work. Four prompts — an Amdahl ceiling calculator, an agent-readiness audit, a trait self-assessment, and a taste encoder that turns the judgment in your head into constraints an agent can follow.Let’s start with what happens when the fastest part of your system isn’t the part that matters.
The impact of AI on software engineers in 2026: key trends
AI tools speed up “Shippers.” Engineers who focus more on getting things done are the most positive about AI tools. But they also add tech debt faster and might ...
The Software Engineers Are Freaking Out - by Evan Gardner
As Bicalho sees it, even if AI gets good enough to essentially carry out all the work we need doing without us intervening, the people in charge of it still ...
