Markus Battarbee
Lead GPU Algorithm Engineer at Elekta
Helsinki, Finland
Summary
👤
Senior🎓
Top SchoolMarkus Battarbee is a Lead GPU Algorithm Engineer and computational physicist with nearly two decades of experience modeling space plasmas and developing high-performance numerical algorithms. He led development of the hybrid-Vlasov code Vlasiator at the University of Helsinki, rebuilding solvers to exploit modern GPU architectures and pushing HPC boundaries for magnetospheric and shock physics simulations. Comfortable reframing problems, he combines deep domain expertise in space physics with practical software engineering, parallel programming, and collaborative version-control workflows. Markus has a strong academic pedigree (PhD in Space Physics) and a track record of international research collaborations translating complex physical models into scalable, production-grade simulation code. Based in Helsinki, he now applies that expertise to industrial GPU algorithm challenges at Elekta, bringing research-grade numerical rigor to applied engineering problems.
10 years of coding experience
11 years of employment as a software developer
Doctor of Philosophy (Ph.D.), Space Physics (Solar physics), Doctor of Philosophy (Ph.D.), Space Physics (Solar physics) at Turun yliopisto - University of TurkuMaster of Science (M.Sc.), Space Physics, Master of Science (M.Sc.), Space Physics at Turun yliopisto
Finnish, English, Swedish
Github Skills (19)
hierarchical10
python10
gravity10
orbital-mechanics10
planet10
hydrodynamics10
astrodynamics10
cartesian9
file-format9
distributed-computing9
space9
grid8
parallel6
hashtable5
hpc2
Programming languages (2)
Github contributions (5)
markusbattarbee/analysator
Mar 2018 - Mar 2024
Python based package for analyzing vlsv files produced by Vlasiator
Contributions:1 PR, 134 pushes, 145 branches in 6 years
analyzingpythonpackage-based
markusbattarbee/vlasiator-public
Dec 2016 - Aug 2025
Vlasiator - ten letters you can count on
Contributions:6 reviews, 20 PRs, 726 pushes in 8 years 9 months
ten
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