I tested 7 PKM tools for coding work. Obsidian won for its local Markdown files and Git support, but Notion still does one thing better.

After months testing PKM tools during real debugging sessions, here's what actually works for engineers (and it's not about pretty pages).

After 47 promotion calibrations, I can tell you why great engineers get passed over. It's not your code quality. It's the visibility game no one teaches you.

I shadowed 12 senior engineers for 30 days. Most don't code until mid-morning. One calls Slack "the enemy." Their actual habits surprised me.

Your best backend work can't fit in a screenshot. Here's how staff+ engineers actually showcase architectural decisions, mentorship, and invisible impact.