Stefan Krüger
Co-Founder & CEO at floating pixels GmbH
Heidelberg, Baden-Württemberg, Germany
Summary
👤
Senior🎓
Top SchoolStefan Krüger is a seasoned founder and CEO with over 20 years of experience shaping digital-first brand and user experiences, now leading boutique agency floating pixels from Heidelberg. He combines strategic marketing, user research, experience design and hands-on web and embedded development—having led SAP’s shift from classic marketing to a market- and user-centric digital experience as VP of Experience Strategy. Stefan builds and coaches cross-functional teams to deliver coherent, multi-touchpoint experiences and showcases, translating user insight into measurable business impact. Beyond leadership, he remains technical and contributes to open-source projects like the Open Lighting Architecture and Adafruit Blinka, reflecting practical expertise in embedded IoT and LED control. His background blends business informatics, executive management training, and an early career in finance, giving him a rare mix of product, technical and commercial fluency.
11 years of coding experience
17 years of employment as a software developer
Certificate of Advanced Studies (CAS) in General Management, International Management, Certificate of Advanced Studies (CAS) in General Management, International Management at Executive SchoolBachelor of Science, Business Informatics, Bachelor of Science, Business Informatics at Universität Rostock
German, English, Russian
Github Skills (23)
lightning10
uart10
c-language10
python10
hardware-interface10
spi10
i2c10
gpio10
lighty10
sys10
interfacing10
lightening10
embedded10
dmx51210
cprogramming-language10
Programming languages (15)
Github contributions (5)
OpenLightingProject/ola
Apr 2015 - Feb 2018
The Open Lighting Architecture - The Travel Adaptor for the Lighting Industry
Role in this project:
Back-end Developer
Back-end DeveloperContributions:116 commits, 5 PRs, 56 comments in 2 years 10 months
Contributions summary:Stefan's primary contribution revolves around the implementation and testing of features related to APA102 LED control within the Open Lighting Architecture (OLA) project. The commits demonstrate the addition of APA102 LED support, including the modification of SPIOutput.cpp, SPIOutput.h and SPIOutputTest.cpp, likely for the purpose of controlling LED strips. This includes implementing the handling of individual pixel brightness and combined control modes, with the code changes and test cases confirming the focus on adding and validating APA102-specific functionality within the existing SPI framework.
sacnprotobufc-plus-plusenttecstreaming-acn
adafruit/Adafruit_Blinka
Mar 2019 - Apr 2019
Add CircuitPython hardware API and libraries to MicroPython & CPython devices
Role in this project:Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:18 commits, 2 PRs, 15 comments in 5 days
Contributions summary:Stefan's primary contribution involved adding and modifying pin definitions for the BeagleBone PocketBeagle within the `adafruit_blinka` repository. They defined pin mappings, including those for SPI, I2C, and UART peripherals, and added non-GPIO pins as comments, reflecting work related to hardware interfacing. Their work also included refactoring pin assignments and aligning the pin naming conventions with common.c, a clear indication of their focus on low-level hardware interaction within the context of the project.
apipythonhardware-apihardwarecircuitpython
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