I used to send out application after application and hear nothing back. Not a single reply. At first, I thought my resume wasn't impressive enough. So I made it fancier. Added columns. Played with layouts. Tossed in some icons. Still nothing. Then I learned about Applicant Tracking Systems. Companies use software like Lever, Greenhouse, and Workday to scan resumes before a human ever sees them. If
Every AI app I've shipped recently rewrote the same plumbing. The OAuth dance for Slack. Encrypted storage for an API key. Refresh-token logic that finally fails on the 3rd call after an hour. Wiring up an MCP client to a server behind a bearer token someone pasted into a Notion page.