Stefan P
Entrepreneuring Professors at Unternehmerische Nebentätigkeit für Informatik-Professoren
Greater Munich Metropolitan Area Germany
Summary
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RockstarStefan P is an entrepreneurial generalist and software engineer with 11 years of hands-on experience building secure, performant back-end systems and interactive web applications from the Greater Munich area. He blends leadership and consultancy—running multiple ventures that help professors and startups commercialize technology—while still contributing code to notable open-source projects like UltraStar Deluxe and OvenMediaEngine. His technical toolkit spans Java/Spring Boot, TypeScript/Angular, maps and geoprocessing, real-time video streaming and WebRTC, where he has fixed memory leaks, improved timing and video quality, and hardened TLS configurations. Comfortable switching between strategy, product and deep engineering, he delivers pragmatic, production-ready solutions and security improvements that matter in low-latency streaming and media-rich applications. An uncommon trait: he pairs entrepreneurial sales and marketing experience with low-level performance tuning, making him equally effective pitching a product and optimizing its codec pipelines.
11 years of coding experience
15 years of employment as a software developer
English, German
Github Skills (27)
delphix10
c-language10
tls1210
delphi10
low-latency10
it-security10
tls1310
security10
latency10
mtls10
media-playback10
performance-optimization10
playback10
video-player10
openssl10
Programming languages (25)
Github contributions (5)
UltraStar-Deluxe/USDX
Nov 2015 - Jan 2023
The free and open source karaoke singing game UltraStar Deluxe, inspired by Sony SingStar™
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4 releases, 58 reviews, 460 commits in 7 years 3 months
Contributions summary:Stefan's commits primarily focus on addressing minor issues, including memory leaks and timing problems, within the UltraStar Deluxe karaoke game. Their contributions encompass several critical areas of the game's functionality. The code modifications include implementing configuration options, auto-resizing cover images, and implementing video playback responsiveness. Additionally, the commits show the user's involvement with the program's core system and graphics.
singinggamesonyultrastardeluxe
AirenSoft/OvenMediaEngine
Jan 2021 - Nov 2022
OvenMediaEngine (OME) is a Sub-Second Latency Live Streaming Server with Large-Scale and High-Definition. #WebRTC #LLHLS
Role in this project:Back-end & Security Engineer
Back-end & Security EngineerContributions:8 reviews, 11 commits, 19 PRs in 1 year 10 months
Contributions summary:Stefan primarily focused on improving the security and performance of the OvenMediaEngine server. Their contributions include fixing a scheme check, implementing security updates by setting minimum TLS versions, and disabling TLS1.3 due to implementation limitations. They also optimized the server's performance by modifying cipher suites and improving video quality by changing the FFmpeg preset. Finally, the user updated the OpenSSL version used by the project.
rtmpovenmediaenginewebrtcomevideo
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