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Johannes Ptaszyk

johannes ptaszyk · lead app developer
bottrop · 51.5232° N, 6.9226° E

software and other odds and ends
with love, from the pott

short logs, longer posts, apps and whatever else is fun

↓ ride in apps

−70 m

me and the graft

this is where you really get to know me

lead app developer at Fressnapf | Maxi Zoo. i worry about the small stuff so that millions of people end up with an app in their hand that is simply a joy to use.

2023 – now Lead App Developer — Fressnapf | Maxi Zoo the app for pet owners. Krefeld, hybrid
2021 – 2023 Android Software Engineer — Fressnapf | Maxi Zoo
2019 – 2021 Android Software Engineer — CHECK24 Fashion
2019 Android Software Engineer — G DATA CyberDefense stayed on where I trained
2016 – 2019 Apprenticeship — G DATA CyberDefense Bochum. servers, QA and networks first, then Android

away from the keyboard

getting up to nonsense with my dog Taavi
playing with tech and services in the homelab
seeing the world from the van
loosing a few arrows off the bow

me and the graft →

−140 m

apps

both still alive

plan and follow your archery training. track your results, your setup & let me help with the tuning.

abonity live · v2026.1.0

keep track of your subscriptions, no frills

91389b2 · 4 mo ago ↗

−380 m

logs

short thoughts · commits ride along

12 d agocc5f6ec kaputt: chore(deps): update gradle/actions action to v6 (#15)

12 d ago98b7f72 kaputt: chore(deps): update actions/upload-artifact action to v7 (#13)

12 d ago0f60d5c kaputt: chore: keep the junit launcher on the platform 1.x line in renovate

12 d ago44692e2 kaputt: docs: disclose AI assistance in the readme

−620 m

posts

longer thoughts

4 minclean and user friendly android app tracking with firebase 4 minimplementing new developers

−860 m

manni lives right at the bottom.
and this is where you say “moin”

contact@pott.dev github instagram linkedin

© 2026 · glück auf · built with love, below ground

manni · t-rex & hausmeister art by @cohlenstoff