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22 September 2026

Prompts in types out.

Prompts In, Types Out: How Software Should Be Written in the Age of Agents. An argument that spec-driven development is a wrong turn, and that the spec was never the point.

22 September 2026

We spent 20 years learning how to work together

We Spent Twenty Years Learning How to Work Together. We're About to Forget All of It. Watching the erosion of what Agile actually taught us - and why the agent era makes it feel irrelevant just when it matters most.

19 September 2026

Jev, Jev, Jev

TypeSafe's Jev doesn't write anything. It just makes decisions with probabilities attached, which turns out to be the useful part. What it is, what I make of it, and where it sits inside Odokai.

LB

Software engineer and engineering leader. London, UK.

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© 2026 Lewis Barclay.London · Software engineer · Est. 2004