Reuben Budiardja
Group Leader, Advanced Computing For Nuclear, Particle, And Astrophysics at Oak Ridge National Laboratory
Knoxville, Tennessee, United States
Summary
👤
Senior🎓
Top SchoolReuben Budiardja is a computational scientist and group leader at Oak Ridge National Laboratory with over a decade of experience building and optimizing HPC software and systems for nuclear, particle, and astrophysics research. He combines hands-on development of large-scale simulation codes (notably GenASiS) with expertise in parallel programming, accelerators, scalable storage, and cluster administration. Reuben has a strong track record as a domain liaison—porting and tuning applications for supercomputing centers and shaping system and tool requirements to meet diverse scientific workloads. He holds a PhD in Computational Astrophysics and has repeatedly translated complex research needs into production-ready HPC solutions. Based in Knoxville, he balances deep technical work with community-facing roles, from proposal-driven research to user support and training. Outside of work he’s a Linux hobbyist and amateur musician, reflecting a practical tinkerer’s approach to systems and creativity.
10 years of coding experience
13 years of employment as a software developer
BA, Physics, Applied Mathematics, BA, Physics, Applied Mathematics at Goshen CollegePhD, Computational Astrophysics, PhD, Computational Astrophysics at University of Tennessee, Knoxville
Github Skills (44)
cuda8
encryption8
sftp8
azure-blob-storage8
yandex8
rsync8
cloud-storage8
backup8
openstack-swift8
flysystem8
ftp8
drive8
oak7
harness7
webdav7
Programming languages (4)
Github contributions (5)
GenASiS/GenASiS_Basics
Jul 2015 - Aug 2022
Contributions:7 releases, 10 commits, 7 pushes in 7 years 2 months
reubendb/cholla
Jul 2020 - Mar 2024
A GPU-based hydro code
Contributions:38 pushes, 13 branches, 1 tag in 3 years 8 months
cudagpuhydrogpu-acceleration
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.