Tjakoen Stolk · Portfolio

TJ's Desk

As a teacher, I go straight at the hard parts. As an engineer, I keep the direction legible. As a manager, I grow people first.

I built and run a GitHub-native course platform in production across several university courses, covering hundreds of student repositories each term. I also lead 15 to 25 engineers and product specialists at Career Team.

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Back at LOOP, starting with Gitcalendar/loop-hau-version-one.md The Check Ran Once in 165 Sessions, and I Got the Reason Wrongnotes/the-check-that-never-ran.md Everybody Wants the Agent. Somebody Has to Build the Floor.notes/build-the-floor.md Don't vibe anything you can't code yourselfcalendar/gdgoc-hau-general-assembly.md More…

Walkthroughs

Ten times zero flagship

From imposter to professional: the story behind the byline, and why the counter starts at zero.

 Watch me work live

The desk drives TJ's real site itself: opens a note, marks the part that matters, saves a takeaway, drafts a message. One AI, one vocabulary.

 Get started with BREAD four layers

BATCH the substrate, GRAIN the design system, MILL the content engine, PROOF the plan board. The no-build stack this site runs on.

 The feed Workshop

Back at LOOP, starting with Git 2026-09-30

 The console I built to stop drowning teaching

Four classes became seven. A QR scanner grew into a data-free console that runs attendance and holds every AI grade grainy until I sign it.
✶ Try the desk: it answers about TJ