Alexander Renz-wieland
Senior Database System Engineer
Freiburg im Breisgau, Baden-Württemberg, Germany
Summary
👤
Senior🎓
Top SchoolAlexander Renz-wieland is a Senior Database System Engineer with 11 years of experience building distributed data and machine learning systems to simplify engineers' lives, currently at RelationalAI. He holds a summa cum laude PhD from TU Berlin where his research produced practical insights into dynamic, non-uniform parameter management and locality-aware distributed training systems (SIGMOD, PVLDB), and he implemented high-performance C++ research systems. Alexander blends deep systems research with production engineering—shipping distributed ML infrastructure and database features—and has led and taught teams in academia. He brings a rare combination of rigorous academic results and hands-on implementation experience across C++, ZeroMQ, Protocol Buffers, Spark/Hadoop, and production databases. Notably, his work demonstrates that runtime parameter relocation and automatic distributed training can substantially improve real-world ML efficiency, a theme he continues to apply at RelationalAI.
11 years of coding experience
13 years of employment as a software developer
Bachelor of Science (B.Sc.), International Management for Business and IT, 1.3, Bachelor of Science (B.Sc.), International Management for Business and IT, 1.3 at Baden-Wuerttemberg Cooperative State University (DHBW)Artificial Intelligence, Artificial Intelligence at VU University AmsterdamMaster of Science (M.Sc.), Business Informatics, Data and Web Science, 1.0, Master of Science (M.Sc.), Business Informatics, Data and Web Science, 1.0 at Universität MannheimCharles III University of Madrid (Universidad Carlos III de Madrid)Doctor of Philosophy - PhD, Large-Scale Machine Learning, summa cum laude, Doctor of Philosophy - PhD, Large-Scale Machine Learning, summa cum laude at Technische Universität Berlin
English, German, Spanish, French, Dutch
Github Skills (52)
resumable10
python9
allocation9
machine-learning9
dyndns9
mdns9
gpu9
client-server9
adobe-experience-manager9
deep-learning9
julia9
dnssec9
monorepo9
rust8
dns8
Programming languages (9)
Github contributions (5)
alexrenz/AdaPM
Jan 2020 - Jun 2022
A fully adaptive, zero-tuning parameter server
Contributions:3 releases, 32 commits, 3 PRs in 2 years 4 months
parameter-serveradobe-experience-managerallocationparameterlarge-scale-machine-learning
alexrenz/lapse2
Apr 2021 - Dec 2021
Contributions:2 commits, 1 push in 8 months
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