Ludwig Knüpfer
Senior Staff Engineer at MSA - The Safety Company
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolLudwig Knüpfer is a Senior Staff Engineer in Berlin with 13 years focused on Internet-connected embedded systems and the microcontroller side of IoT. At MSA he drives safety-critical embedded software while previously leading OS and virtualization work in academic research and product roles. He is an active contributor to RIOT OS, improving native ports, peripheral drivers (e.g., ADC for nRF51), low-power modes for SAMD21, and core syscall and test coverage—demonstrating deep systems-level expertise in production IoT stacks. Ludwig combines rigorous academic training from Freie Universität Berlin with hands-on firmware, driver, and testbed development, making him skilled at turning low-level hardware constraints into reliable, maintainable systems. An understated strength is his long-term focus on energy-efficient, testable embedded platforms that bridge research and commercial safety products.
13 years of coding experience
1 year of employment as a software developer
Diplom (Master equivalent), Computer Science, Diplom (Master equivalent), Computer Science at Freie Universität Berlin
English, German, French
Stackoverflow
1reputation
0reached
1answer
0questions
Github Skills (17)
c1110
microcontroller10
c1710
iot10
adc10
rtos10
driver10
device-driver10
sys10
embedded10
samd218
checksum8
testing7
rabbitmq6
android6
Programming languages (3)
Github contributions (5)
RIOT-OS/RIOT
Mar 2013 - Sep 2017
RIOT - The friendly OS for IoT
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:1018 commits, 130 PRs, 60 pushes in 4 years 7 months
Contributions summary:Ludwig primarily contributes to the RIOT OS, a real-time operating system designed for IoT devices. Their work focuses on the native port, involving updates to the native CPU, board configurations, and peripheral drivers, like the ADC driver for the nrf51. The commits include changes to core system files, such as syscalls, and also encompass the addition of new tests and the implementation of low power modes for specific hardware targets like the SAMD21. Further contributions include fixing documentation typos and adding a checksum test.
riot-osinternetofthingsrtosriotmicrocontrollers
LudwigKnuepfer/RIOT
Oct 2013 - Jan 2017
Contributions:105 commits, 1 PR, 457 pushes in 3 years 4 months
iotriotrum
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