Stories by johnjwang

What the megafauna extinction can teach us about AI startups and incumbents

Megafauna Extinction and Startups

The engineering behind the US Strategic Petroleum Reserve

Learnings from OpenAI's open source Codex Repo

How Claude's watermarking (probably) works

Code review bottlenecks: How we hill climbed our way to higher PR throughput

Show HN: 143.dev – we open-sourced our internal coding-agent infrastructure

Cheap software won't make engineering cheap

Number of tokens shouldn't be the only metric

Why are executives enamored with AI, but ICs aren't?

Why I code as a CTO

Operational issues on AWS us-east-1 – multiple services

Old school AI isn't dead: How we achieved a 12× speedup on an NP hard problem

We shipped GPT-5 support before lunch

Blocking LLMs from your website cuts you off from next-generation search

Your LLM provider will go down, but you don't have to

How we learned to stop worrying and love the AI (in coding interviews)

Scaling LLMs with Golang: How we serve millions of LLM requests

We saved hundreds of engineering hours by writing tests with LLMs

Building Customizable Roles at Assembled

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