I’m John and I’m a Backend & Devops engineer!

Currently I work as a web developer for the german company ActiveAgent AG.

Check out some of my spare time projects

My personal blog with posts about various developer topics and my life as a parent

Build with: Gatsby / React


A mobile app to help you control your finances

Confin helps you to keep track of your own finances
On the basis of own created categories individual statistics are generated

Get it on app storeGet it on Google Play
Build with: Angular

Made my day

Minimalistic journal app for macOS.

It does not require a monthly subscription and has a standard and easy convertible file format (Markdown)

Get it on app store
Build with: React

Remake of the classic DOS game Zatacka ('Achtung, die Kurve!')
Play on different platforms

Build with: JavaScript


I’m John and I’m a Backend & Devops engineer!

Nicolas Gehlert

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