Szymon Grajner · SfymmiK

Software & Web Developer

I build fast interfaces, experiment with low-level programming, self-host infrastructure, and keep polishing projects until they feel right.

See projects Forgejo Contact
Linux FreeBSD Web Java MySQL Self-hosting
Current focus Web tooling, Java, and personal infrastructure

Building projects that are actually useful and refining the UX afterward.

Platforms Arch · Gentoo · FreeBSD
Main git git.sfymmik.xyz
Style Fast, personal, practical
Approach Learn by building

About

Personal, technical, and always experimenting

Curiosity-driven projects with a strong focus on usability, performance, and learning in public.

Who I am

I’m Szymon (SfymmiK), a 16-year-old programmer from Poland. I enjoy low-level programming, web development, and building clean user-facing tools.

What I build

Personal websites, self-hosted services, experiments, tooling, and interfaces that are simple, fast, and satisfying to use.

Languages

I speak Polish and English fluently. My English level is around C1.

Where to find me

Based in Poland and mostly active online through Discord, Git platforms, and personal infrastructure.

Projects

Things I actively build and maintain

A few selected projects that represent my style and interests.

Stack

Tools and platforms I work with

The things I use most, and the areas I keep exploring further.

Languages & tech

Java Go HTML CSS JavaScript MySQL

I prefer learning through real projects instead of isolated toy examples.

Platforms

Arch Linux Gentoo FreeBSD

I like clean setups, tuning systems, and understanding how things work underneath.

Focus areas

  • Performance and responsiveness
  • UI polish and readability
  • Self-hosting and deployments
  • Low-level learning and experimentation

Links

Places where I publish and hang out

Code, mirrors, updates, and platforms I use.

Forgejo

@SfymmiK on my own instance

GitHub

@SFYMMIK

Codeberg

@SfymmiK

Twitter / X

@_SfymmiK

Lings

Discord server / project space

YouTube

@SFYMMIK

Shoutouts

People I know and work with

Scryv

Friend

kemf

Friend

Maydo

Friend

Contact

Want to reach out?

Collaborations, questions, feedback, or just saying hi.

Email

Best for anything serious.

My time: --:-- Your time: --:--

If it’s very late for me, I might reply later or the next day.

szymongrajner@sfymmik.xyz

Discord

Best for general questions.

YOU ARE --H FROM ME

Good for quick messages, casual questions, or project talk.

@sfymmik