QA Lead · Software Engineer

Bartosz Kustra

I ship real apps, then try to break them. This is my digital garden — projects, experiments, and writing, all pushed straight from git.

Click the bug.

0 bugs squashed this session

Featured projects

A calm, offline ball-line puzzle chasing Apple Design Award-level polish, down to the shaders and synthesized chimes.

A cozy idle-garden iOS game: tap, plant, prestige — the garden keeps growing while you're away.

A privacy-first iOS app for tracking your kid's fever and medication doses, with zero servers involved.

A Week with Claude Code: A Field Manual
Jul 14, 2026

A seven-day field manual that takes you from installing Claude Code to running your own architect-plus-subagents setup, complete with model routing, distilled skills, and unattended cron jobs.
Verify Green or It Didn't Happen
Jul 2, 2026

How one un-negotiable verification gate — and a lessons file that never forgets — carried an iOS idle game from empty repo to feature-complete, mostly at 11pm.
Compiles Isn't Done
Jun 29, 2026

A three-layer SwiftUI preview crash in FeverBee, and the lesson it left behind: a green build proves the compiler is happy, not that the app runs.