Show HN: 8 years of "Who's Hiring?" in charts (hiring boom, bust, and AI trends)

The author used Codex to run semantic analysis on eight years of Hacker News "Who's hiring?" posts, from pre-COVID through October 2026, retrieved via the HN API. Five findings: AI or machine learning appeared in 50% of 2026 posts (up from 17% in 2019); 53% of identified employers appeared in only one of the 94 monthly threads; frontend roles fell from 16% to 3% of posts; staff-level posts rose from 77 in 2019 to 277 in 2026; and only 41 of 2,932 posts in 2026 explicitly named junior roles, versus 163 in 2019. The post also lists 20 other trends.