The author is Brad Fitzpatrick. He worked at Google for 12+ years. He created memcached, WebSub (PubSubHubbub), OpenID, and Perkeep (Camlistore). He's a late

The author is Brad Fitzpatrick. He worked at Google for 12+ years. He created memcached, WebSub (PubSubHubbub), OpenID, and Perkeep (Camlistore). He's a late-stage co-founder of Tailscale. If he's a junior engineer, then I have no idea what a senior engineer is.