Patrick Varilly
Freelance Software Engineer at Varilly Sciences
Brussels, Belgium
Summary
👤
Senior🎓
Top SchoolPatrick Varilly is a seasoned freelance software engineer and founder of Varilly Sciences, bringing 14+ years of experience across data engineering, back-end development, and enterprise software, based in Brussels. He has led research-to-production software efforts for clients like the Sabeti Lab, focusing on scaling Bayesian phylogenetic tree inference and mapping millions of viral genomes. In the open-source sphere, he contributes to SciPy as a back-end and QA engineer, notably improving the cKDTree module and enhancing query functions while strengthening testing infrastructure. His career spans impactful roles from Datadobi's DobiMigrate features to Sony-backed back-end systems for large-scale sensor data, with a strong emphasis on CI/CD, clean architecture, and cloud deployments on AWS. With a physics and computational science pedigree from MIT, UC Berkeley, and Cambridge—including a Marie Curie fellowship—he combines rigorous scientific training with practical software engineering.
14 years of coding experience
10 years of employment as a software developer
University of California, BerkeleyBachelor of Science (BS), Physics (minor in Math), 5.0 / 5.0, Bachelor of Science (BS), Physics (minor in Math), 5.0 / 5.0 at Massachusetts Institute of TechnologyUniversity of Cambridge
English, Spanish, French, German, Dutch
Stackoverflow
105reputation
5kreached
1answer
2questions
Github Skills (15)
algorithms10
scipy10
python10
numpy10
testing10
data-structure9
data-structures9
c178
c118
gcc6
generics6
collections6
covariance6
dictionary6
inheritance6
Programming languages (3)
Github contributions (5)
scipy/scipy
Mar 2012 - Jul 2013
SciPy library main repository
Role in this project:
Back-end Developer & QA Engineer / Test Automation Engineer
Back-end Developer & QA Engineer / Test Automation EngineerContributions:26 commits, 3 comments in 1 year 4 months
Contributions summary:Patrick primarily contributed to the `scipy/scipy` repository by addressing bugs and implementing improvements in the `scipy.spatial.kdtree` and `scipy.spatial.ckdtree` modules. Their work included bug fixes for the `kdtree`, and adding and enhancing functions such as `query_ball_point`, `query_ball_tree`, `query_pairs`, and `sparse_distance_matrix` to the `ckdtree` module. The user also focused on ensuring code quality by addressing issues related to accuracy and providing testing infrastructure enhancements to the cKDTree implementation.
scipypythonscientific-computing
patvarilly/DNACC
May 2012 - Aug 2020
Python module for calculating DNACC interaction potentials and binding details
Contributions:9 commits, 3 PRs, 4 pushes in 8 years 4 months
interactionpythonpython-modulepotentialsdetails
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