Wolf Vollprecht
Founder at prefix.dev
Berlin, Germany
Summary
🤩
Rockstar🎓
Top SchoolWolf Vollprecht is a founder and seasoned software engineer with 14 years of experience building high-performance scientific and DevOps tooling from Berlin. He has led technical teams at QuantStack and now runs prefix.dev, blending deep C++ systems work (xtensor, xsimd) with packaging and distribution expertise across the conda ecosystem. His open-source contributions show a rare combination of numerical library optimization, SIMD/ARM support, and practical build/CI automation—everything from improving AVX512/NEON performance to making micromamba-based installers robust. He also bridges robotics and data-science workflows, enabling live ROS visualizations in Jupyter and advancing Jupyter container tooling like repo2docker. Comfortable across low-level performance tuning and higher-level packaging/automation, he’s equally at home writing SIMD intrinsics or streamlining cross-platform installers. An ETH Zürich-trained roboticist, he brings academic rigor to production-grade developer infrastructure.
14 years of coding experience
8 years of employment as a software developer
Master in Robotics Systems and Controls, Master in Robotics Systems and Controls at ETH ZürichAbitur, Abitur at Kaiser-Wilhelm- und Ratsgymnasium Hannover
Github Skills (83)
dependency-management10
package-management10
python10
bash10
c1110
bqplot10
c1710
automation10
build-automation10
ros10
conda-forge10
avx10
python-templates10
dockers10
computer-algebra-system10
Programming languages (27)
Github contributions (5)
conda-forge/conda-forge-repodata-patches-feedstock
Oct 2020 - Jan 2023
A conda-smithy repository for conda-forge-repodata-patches.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:4 reviews, 20 commits, 16 PRs in 2 years 2 months
Contributions summary:Wolf primarily worked on patching the `conda-forge-repodata-patches-feedstock` repository, which appears to generate patches for conda packages. Their commits involved modifying recipes, specifically `gen_patch_json.py`, to adjust dependency constraints and pinning behavior. These changes aimed to correct package dependencies, pin specific versions of libraries, and ensure compatibility within the conda ecosystem. The user's contributions included fixing upper bounds and adding constraints for various packages.
conda-forgecondasmithypatchesforge
jupyterhub/repo2docker
Jul 2021 - Nov 2021
Turn repositories into Jupyter-enabled Docker images
Role in this project:DevOps Engineer & Automation Engineer
DevOps Engineer & Automation EngineerContributions:6 reviews, 9 commits, 2 PRs in 4 months
Contributions summary:Wolf primarily focused on modifying the `repo2docker` build process, specifically within the context of Conda environments. Their contributions centered around updating the `micromamba` version, optimizing the installation, and addressing URL issues. They demonstrated an understanding of Docker image building and dependency management within the context of JupyterHub and conda. The user also implemented changes to use the nightly builds.
repositoriesjupyter-notebookdockerjupyterlabjupyter
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