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Writing code by hand is over, forever

eliocapella.com22 points57 comments
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A senior engineer recounts stopping hand-written coding after 18 years because modern code-generation agents became faster and more productive than manual work. At Filestage, adopting AI tools (various models including Claude Code's Opus) with a $20 monthly subscription per developer raised merged PRs from roughly 200 to 300 per month without a sustained increase in bug reports. That extra throughput exposed infrastructure bottlenecks - Cloudflare tunnel limits and shared DB connection strain - which were resolved via infrastructure-as-code and open-source FRP tunnels. Rigorous CI guardrails (linting, type checking, duplication checks, 100% test coverage, end-to-end tests) plus AI code review are now integral to the workflow, and the author considers AI reviews indispensable for safe merging.

The piece argues against the idea that agents will default to generating assembly or microcode, insisting on a pipeline of LLM → high-level representation → deterministic compiler → machine code. High-level code preserves context, reduces the explosion of low-level details, and encodes intent through types and modules in ways assembly cannot, while compilers efficiently handle routine translation. The future envisioned replaces brittle text-file workflows with living, model-backed interfaces: UML/ER-style views, zoomable logic with production telemetry, and the ability to drill down to code only when necessary. The overall tone is practical and optimistic about a rapid, concrete shift in how software is built.

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