Experienced Backend Developer and Minecraft Modder. Very passionate about Minecraft. Highly experienced in Java and its ecosystem.

20 years old, located in Germany.

Skills

Backend Development

Advanced
  • Java
  • REST
  • JSON
  • Javalin
  • MySQL
  • MongoDB
  • Redis
  • Docker
  • Maven
  • Gradle
  • Git

Systems Administration

Intermediate
  • Linux
  • Bash
  • Apache
  • Docker

CI/CD

Intermediate
  • GitHub Actions

Minecraft Plugin Development

Advanced
  • Spigot
  • Paper
  • BungeeCord
  • NMS
  • Minecraft Protocol
  • Ignite
  • Mixins

Minecraft Mod Development

Intermediate
  • Fabric
  • Mixins

.NET Development

Beginner
  • C#
  • .NET
  • Avalonia
  • XAML

Work Experience (1)

Oct 2020 - Current
Programmer
Pypeware GmbH

Backend Developer and Minecraft Modder for the Minecraft server Horstblocks.de

I was hired to update the server from 1.12 to 1.16. After a complete rewrite of most systems, HorstBlocks was able to successfully update to 1.16 and later 1.19.

  • Built most of the infrastructure

  • Designed most backend systems

  • Administrated and maintained production servers

  • Responded to and mitigated incidents

  • Occasionally provided customer support

  • Tech: Java, Spigot, MySQL, MongoDB, Redis, Docker, Maven, Linux, Git

Projects (8)

maps
Sep 2021 - Current
https://github.com/cerus/maps

Spigot library for drawing stuff on fully clientside maps

Visual Crafting
Mar 2022 - Current
https://github.com/cerus/visual-crafting

Spigot plugin that visualizes the crafting process

edina
Aug 2021 - Current
https://github.com/cerus/edina

Forth-like compiled JVM programming language

faktor
Apr 2023 - Current
https://github.com/cerus/faktor

Tiny and lightweight one-time-password generation & validation library

hourlycatbot
Nov 2022 - Current
https://github.com/cerus/hourlycatbot

Mastodon bot that posts cat images

mchr
Jun 2022 - Current
https://github.com/cerus/mchr

Service for rendering Minecraft heads

sharedmem
Aug 2021 - Aug 2021
https://github.com/cerus/sharedmem

Java library for accessing shared memory and memory mapped files

Spedcord
Apr 2020 - Current
https://github.com/Spedcord

(WIP) Manager for virtual trucking companies running on Discord

Volunteer

Oct 2019 - Sep 2020
Volunteer
German Red Cross

Completed a Voluntary Social Year

('FSJ' or 'Freiwilliges Soziales Jahr')

  • Worked with elderly people and helped them understand modern technology

  • Planned a messaging app for volunteers

  • Created E-Learning modules

Education (1)

2013 - 2019
High School Diploma

Publications

1 Aug 2021

Blog post about my experience with Java, C++ and JNI in an attempt to bring shared memory to Java

3 Apr 2022

r/place 2022 in Minecraft

26 Dec 2020

Video camera prototype in Minecraft

26 Mar 2023

Attempt at creating a physics simulation with block display entities

9 Aug 2022

Twitch livestream in Minecraft on maps

9 Aug 2022

Playing scripted arcade games in Minecraft

Languages

German

Native Speaker

English

Fluent

Interests

Space

Open Source

Linux

Selfhosted Software

Animals

Investing

  • Stocks
  • ETPs

Video Games

  • Minecraft
  • Elite: Dangerous
  • Euro Truck Simulator 2
  • Grand Theft Auto V
  • Garry's Mod
  • Ready Or Not
Hit Counter