Justin Wozniak
Computer Scientist at University of Chicago
Lockport, Illinois, United States
Summary
👤
Senior🎓
Top SchoolJustin Wozniak is a computer scientist with 16+ years of experience at Argonne National Laboratory and affiliated research roles at the University of Chicago, specializing in parallel and distributed scientific computing, language/runtime design, and storage systems. He focuses on producing practical research and software to support large-scale scientific computation, routinely collaborating with domain scientists in X-ray science, chemistry, and epidemiology. His hands-on work includes integrating Swift/T components into the widely used Spack package manager, demonstrating skill in dependency resolution and packaging for HPC ecosystems. Holding a PhD in Computer Science and Engineering, he blends rigorous academic training with sustained engineering impact on simulation and cloud/HPC runtimes. Beyond publications listed elsewhere, he maintains an active portfolio of tools and package contributions that enable reproducible, scalable scientific workflows.
16 years of coding experience
9 years of employment as a software developer
PhD, Computer Science and Engineering, PhD, Computer Science and Engineering at University of Notre DameBSc, Mathematics and Computer Science, BSc, Mathematics and Computer Science at University of Illinois Urbana-ChampaignMMath, Computer Science, MMath, Computer Science at University of Waterloo
Latin
Stackoverflow
42reputation
771reached
4answers
0questions
Github Skills (16)
package-manager-tool10
build-tools10
package-manager10
spack10
python10
package-management10
scientific-computing8
hpc7
openwrt6
dnsmasq6
eclipse6
awk6
bash6
xor6
zsh6
Programming languages (15)
Github contributions (5)
spack/spack
Feb 2017 - May 2021
A flexible package manager that supports multiple versions, configurations, platforms, and compilers.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:10 commits, 13 PRs, 34 comments in 4 years 3 months
Contributions summary:Justin primarily contributed to the development of package definitions within the Spack package manager for the Swift/T project. Their work involved creating new package files (`package.py`) for dependencies like ExM C-Utils, ADLB/X, Turbine, and STC. They also updated existing packages, including fixing formatting and adapting to new releases by modifying URLs and dependencies. Their contributions focused on integrating various Swift/T components within the Spack environment, and demonstrating a strong understanding of package management and dependency resolution.
compilerspythonradiussplatformslinux
SwiftWorkflows/discovery-engines
Jan 2015 - Feb 2023
Contributions:80 pushes in 8 years 2 months
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