Friedrich Steffen
Wissenschaftlicher Mitarbeiter at Thünen-Institut
Hamburg, Germany
Summary
👤
Senior🎓
Top SchoolFriedrich Steffen is a research scientist based in Hamburg with 11+ years focused on sustainable fiber science, developing novel, eco-friendly processes to convert agricultural residues and wheat straw into cellulose for regenerated fibers and high-value paper products. He combines hands-on lab leadership, project acquisition and coordination with teaching and supervision, bridging academia and industry through longstanding collaborative networks. His work spans process optimization, fiber characterization and biotechnological treatments, and he has presented results at conferences and in peer-reviewed journals. Unusually for a wet-lab specialist, he also contributes to open-source software testing—improving the YCSB benchmark’s Zipfian generator and measurement exporters—showing a pragmatic blend of experimental science and reproducible data practices.
10 years of coding experience
Doktor (Ph.D.), Biologie, Holzwirtschaft, 1,4, Doktor (Ph.D.), Biologie, Holzwirtschaft, 1,4 at Universität Hamburg
German, English, French, Spanish, Portuguese
Github Skills (10)
data-generation10
javas10
junit-test10
junit10
unit-test10
java10
testng10
testing10
json9
performance-measurement8
Programming languages (1)
Github contributions (5)
brianfrankcooper/YCSB
Jun 2015 - Jul 2016
Yahoo! Cloud Serving Benchmark
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:6 commits, 6 PRs, 4 comments in 1 year 1 month
Contributions summary:Friedrich primarily contributed to the testing and enhancement of the ZipfianGenerator within the YCSB project. They implemented tests to ensure the correct behavior of the generator, including checking for minimum and maximum parameter boundaries. Furthermore, the user introduced changes related to character generation within RandomByteIterator and improved the toString() method of ByteIterator. They also added the JSONArrayMeasurementsExporter for outputting measurement data in JSON format and fixed an issue with hdrhistogram+raw measurements.
servingbenchmarkingbenchmarkyahookubernetes
steffenfriedrich/NoSQLMark
Jun 2016 - Nov 2018
Contributions:8 commits, 7 pushes, 1 branch in 2 years 5 months
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