Pierre Chanial
Senior Research Engineer at AstroParticle and Cosmology laboratory
Paris, Ile-de-France
Summary
👤
Senior🎓
Top SchoolPierre Chanial is a Product Owner and IT Tech Lead based in Paris with 14 years of experience bridging high-performance scientific computing and enterprise-grade DevSecOps. He has led architecture and delivery for real-time, data-driven systems from firewall orchestration in banking to low-latency alerting and HPC pipelines in cosmology, drawing on a PhD-level background in astrophysics and signal processing. Equally at home in Cython/C++ contributions to scientific libraries (notably enhancing healpy’s core functionality) and in product leadership, he simplifies complex technical surfaces for production use. Known for tackling inverse problems and large-scale dataflows, he combines deep domain expertise with a pragmatic, problem-solving mindset that drives measurable operational improvements.
14 years of coding experience
13 years of employment as a software developer
Doctor of Philosophy - PhD Astrophysics & Signal Processing, Doctor of Philosophy - PhD Astrophysics & Signal Processing at Université Paris Cité
Github Skills (11)
lib10
python10
cython10
cprogramming-language9
c-language9
numpy8
testing7
data-structure5
algorithms5
algorithm5
data-structures5
Programming languages (6)
Github contributions (5)
healpy/healpy
Feb 2013 - May 2015
Python healpix maps tools
Role in this project:
Backend Developer
Backend DeveloperContributions:9 commits, 1 PR in 2 years 4 months
Contributions summary:Pierre primarily contributed to the core codebase by adding and modifying Cython modules, integrating and cleaning up imports from the C++ standard library, and simplifying the interface for handling Alm and Healpix_Map objects. The changes included fixing a typo and integrating existing functionality for Alm and Healpix_Map objects. Furthermore, the user exposed the `rotate_alm` function and modified the test suite to improve the overall functionality and usability of the library.
pythonmaphealpixgis
pchanial/python-for-data-scientists
Jan 2015 - Apr 2024
Contributions:16 pushes in 9 years 4 months
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