# Emmanuel Ruiz

> Essays by Emmanuel Ruiz on building software at the frontier: leading AI agents, shipping at pace, holding the quality bar.

Emmanuel Ruiz is a software engineering manager at Arthrex. This site holds long-form essays on building software with AI agents at the frontier: pace, quality, and what gets learned on the way. Everything is written by the author and may be quoted with attribution and a link.

## Essays

- [One Month at the Frontier](https://mister99.dev/essay/one-month-at-the-frontier/): One month of X-Ray: what shipped, what I got wrong, and why a medical device company's web team belongs at the AI frontier. (October 2026)

## Full text

- [llms-full.txt](https://mister99.dev/llms-full.txt): every essay in full, as Markdown
- [feed.xml](https://mister99.dev/feed.xml): Atom feed
- [sitemap.xml](https://mister99.dev/sitemap.xml)

## Author

- Name: Emmanuel Ruiz
- Role: Software Engineering Manager, Arthrex
- Site: https://mister99.dev/
- https://github.com/ehnruiz