Jonas Sannewald

Moin! [mɔɪ̯n] – I’m a 27-year-old Software Engineer from Germany, focusing on development across all Apple platforms and server-side Swift. My work is driven by modern software engineering, a strong cyber-security focus, and a dedication to high-quality open-source projects.

Academic Journey

You can hire me — just send me a message via my contact page.

High School Diploma (Abitur)

Carl-Benz-Schule Mannheim

Graduated from the Technical High School, specializing in Information Technology.

2017 • Final grade 1.9

Bachelor’s Degree

University of Applied Sciences Mannheim

Bachelor of Science in Computer Science at the Faculty of Computer Science.

2022 • Final grade 1.2 • With distinction

Master’s Degree

University of Applied Sciences Mannheim

Master of Science in Computer Science with a focus on Software Engineering at the Faculty of Computer Science.

2025 • Final grade 1.2 • With distinction

Skills and Tools

Need help with a project? Get in touch via my contact page.

Swift

Vapor

Apple APIs

Java

PHP

Python

JS & TS

Node.js

Tailwind

PostgreSQL

Git

Docker

Hobbies and Interests

Want to see more? Check out my projects, apps, and blog!

jonas – zsh – x

Last login: Tue Jan 20 03:24:37 on ttys006 jonas@MacBookPro ~ % cat ~/hobbies/current.txt - Paramedic 🚑 - Firefighter 🚒 - Darts 🎯 - Hiking 🥾 jonas@MacBookPro ~ % _

jonas – zsh – x

Last login: Tue Jan 20 03:24:37 on ttys009 jonas@MacBookPro ~ % cat ~/hobbies/backlog.txt - Diving 🤿 - Traveling ✈️ - Billiards 🎱 - Water Polo 🤽‍♂️ jonas@MacBookPro ~ % _