今日山色 · 2026-11-03 · a new ink landscape every morning, seeded by the date · 「令公桃李满天下,何用堂前更种花。」 白居易
Software engineer. I work on billing and growth infrastructure — the plumbing that turns usage into revenue — and on making engineering teams faster with AI agents.
| Languages | Go · Python · TypeScript · Rust |
| Ground | Kubernetes · Postgres · Stripe · Cloudflare |
| Thinking about | agentic engineering, the economics of AI products |
| Home | defiabell.com — 听风的小世界, a little archipelago of writing, projects and games; everything I make lives on a subdomain of it |


