I am J4sp3r. I work in IT at a large insurance company in Germany. Beside that I build small tools and interfaces when I find a problem that I want to fix, and I take systems apart to learn how they work.
I define the problem first. Then I build the smallest tool that solves it.
I build tools to learn how they work. After the first version runs, I study the parts that still need work.
Most projects start with a problem that I have. I am usually the first user.
I study how a system works before I depend on it.
I include clear spacing, focus states, and error handling.
I label each experiment as an experiment.
These are five projects I built or continue to develop. One is shown below; open any project to see more.
JetBrains Plugin
A plugin for JetBrains IDEs that collects every TODO, FIXME and HACK comment in a project into one tool window. Editing an entry in the panel rewrites the source comment in place, and completing one stamps it with the git user and the date. It is published and versioned, so a release has to keep working for the people who installed the last one.
These areas include my regular work and the technical subjects that I study.
I build front ends that work on desktop and mobile devices.
I build small local applications for specific tasks.
I write scripts for tasks that repeat.
I build tools with models and test where the models fail.
I study defensive security, one subject at a time.
I write game loops, input systems, and rendering code.
Each of these is in something I have shipped, not something I have read about.
This process turns an idea into a tool that I can test and share.
Reduce the idea until one problem remains. Define the result before you start coding. This keeps the scope clear.
Build one complete version first. It can look rough. This version shows if the idea deserves more work.
Add support for edge cases, empty states, and keyboard access. Then organize the code so that you can change it later.
Send me a collaboration idea, a tool problem, or a project request. I read each message and give you a direct answer.
Four ways to reach me. Pick whichever one you already use.