Ari Breitkreuz
Software Engineer at Snowflake
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolAri Breitkreuz is a software engineer and former founder with eight years of experience spanning embedded systems, robotics, OS development, and full-stack engineering. Trained in Robotics, Cognition and Intelligence at TUM, he has deep practical expertise implementing OPC UA interfaces for robot control—work that led to a cited 2019 paper—and has contributed server-side features to the widely used open62541 OPC UA stack. He’s built production backends and user-facing tooling for medical device OTA updates as a CTO, and has implemented low-level OS components in Rust. Comfortable across C++, Rust, Lua and backend systems, Ari combines research-grounded thinking with pragmatic product delivery and an eye for improving test coverage and code modernization. Based in Berlin, he brings entrepreneurial grit and a track record of turning robotics research into robust, production-ready software.
8 years of coding experience
2 years of employment as a software developer
Master of Science - MS, Robotics, Cognition and Intelligence, Master of Science - MS, Robotics, Cognition and Intelligence at Technical University of Munich
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (24)
opc10
filesystem10
c-language10
testing10
cross-platform10
c1110
file-operations10
c1710
lua10
fileio10
awesomewm10
window-manager10
cprogramming-language10
server10
opc-ua10
Programming languages (14)
Github contributions (5)
open62541/open62541
Jan 2018 - Dec 2019
Open source implementation of OPC UA (OPC Unified Architecture) aka IEC 62541 licensed under Mozilla Public License v2.0
Role in this project:
Back-end Developer
Back-end DeveloperContributions:28 commits, 23 PRs, 1 push in 1 year 11 months
Contributions summary:Ari primarily focused on server-side development, contributing to the OPC UA implementation. Their work involved fixing spelling errors in code, modifying subscription-related functionalities, and preparing internal structures for implementing events. The user's changes spanned multiple files, indicating a broad understanding of the project's architecture and internal workings. They added new event types and unit tests, demonstrating involvement in feature development and quality assurance.
opcopc-uasdkserveriec-62541
xournalpp/xournalpp
Aug 2020 - Aug 2020
Xournal++ is a handwriting notetaking software with PDF annotation support. Written in C++ with GTK3, supporting Linux (e.g. Ubuntu, Debian, Arch, SUSE), macOS and Windows 10. Supports pen input from devices such as Wacom Tablets.
Role in this project:Back-end Developer
Back-end DeveloperContributions:8 reviews, 6 commits, 3 PRs in 21 days
Contributions summary:Ari primarily contributed to the refactoring and modernization of the Xournal++ codebase. Their work involved replacing older code with `std::filesystem` for file system operations and updating the code to use `fs::path` consistently. They also focused on improving settings-related functionalities, including loading and applying preferred language settings and metadata management. Additionally, the user modified plugin loading procedures and integrated file system-related functionality in several areas of the software.
cppdebiangtklinuxmacos
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