7 Data Signals Your Engineer Is About to Quit (Before They Tell You)
· 8 min read
The median tenure of a software engineer at a B2B company is 2.3 years (Stack Overflow 2025 Developer Survey). The median surprise of the engineer's manager when they resign is… also high. We matched IDE heartbeat data, Git activity, and task-tracker signals against 43 confirmed engineer resignations across 11 PanDev Metrics customer teams in 2025. Seven behavioural patterns showed up in the data 30-90 days before the resignation letter.
One of them is almost never on the standard "burnout signal" list. That's the one this post exists for.