Bálint Aradi
Senior Scientist at University of Bremen
Bremen, Free Hanseatic City of Bremen, Germany
Summary
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Top SchoolBálint Aradi is a Senior Scientist and computational physicist with 16 years of experience developing and extending atomistic quantum-mechanical simulation software, most notably as a long-term lead developer of the DFTB+ package. Based in Bremen, he combines deep domain expertise in materials, nanostructures and defects with practical software engineering—implementing APIs, charge/potential routines and careful module refactoring to improve library linking and usability. His open-source contributions span scientific Fortran tooling (notably enhancements to the widely used fortran-lang/stdlib) and backend improvements that broaden DFTB+’s capabilities, including external charge handling and gradient calculations. Trained with a PhD in Physics from Budapest University of Technology and Economics, he brings both rigorous academic grounding and a hands-on approach to production-grade scientific code.
16 years of coding experience
Doctor of Philosophy - PhD, Physics, Doctor of Philosophy - PhD, Physics at Budapest University of Technology and Economics
Stackoverflow
3,784reputation
375kreached
112answers
6questions
numpy
top-5%
fortran
top-1%
polymorphism
top-5%
Github Skills (16)
statistics10
fortran10
stl10
cmake10
api10
apidoc10
scientific-computing10
numpy9
linear-algebra9
polymorphism9
computational-physics9
benchmarking6
python6
inheritance6
overriding6
Programming languages (15)
Github contributions (5)
dftbplus/dftbplus
Jun 2017 - Jan 2023
DFTB+ general package for performing fast atomistic simulations
Role in this project:
Backend Developer
Backend DeveloperContributions:12 releases, 272 reviews, 1036 commits in 5 years 8 months
Contributions summary:Bálint primarily focused on modifying the DFTB+ code, a general package for atomistic simulations, by implementing features related to the application programming interface (API). Their work included prefixing module names to prevent symbol clashes in library linking, adding routines for calculating charge potential and gradients. They further expanded the API, incorporating the inclusion of external charges, blurring capabilities, and improvements.
quantum-mechanicssimulationsatomistic-simulationssimulationdftb
fortran-lang/stdlib
Jan 2020 - Jan 2020
Fortran Standard Library
Role in this project:Back-end Developer
Back-end DeveloperContributions:6 commits, 2 PRs, 43 comments in 1 day
Contributions summary:Bálint primarily focused on refactoring and enhancing the `stdlib` library, specifically related to pre-processing and statistical functions. Their contributions included refactoring the build process using CMake and improving the usability of the pre-processor. They also implemented improvements to the mean function in the `stdlib`, including supporting different data types, dimensions, and ranks. Furthermore, the user addressed spacing and formatting issues for better clarity in the code.
fortranstdlibfortran-stdlibfortran-librarystrings
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