Enrico Guiraud is a scientific software engineer with 11 years of experience specializing in high-performance C++ and Python systems for large-scale data analysis and simulation. Currently leading the team building a Stellarator simulation platform at Proxima Fusion, he combines low-level performance optimization with user-centric API design to make complex scientific workflows productive and maintainable. Previously at CERN he was a code owner for ROOT’s modern, parallel analysis interfaces, delivering ergonomic abstractions for systematic variations and tools to benchmark TB-scale analyses across hundreds of threads. His PhD work and publications blend ergonomic data-analysis interfaces with novel unsupervised learning algorithms, reflecting a rare mix of research depth and production-grade engineering. An active contributor to the flagship ROOT repository, he has a track record of refactoring for vectorization and GPU readiness while mentoring teams and engaging with the broader HEP community. Based in Italy, he excels at translating cutting-edge R&D into robust tooling used by O(10k) scientists.
11 years of coding experience
4 years of employment as a software developer
University of Milan
Doctor of Philosophy - PhD, Computer Science, Magna cum laude, Doctor of Philosophy - PhD, Computer Science, Magna cum laude at Carl von Ossietzky University of Oldenburg
The official repository for ROOT: analyzing, storing and visualizing big data, scientifically
Role in this project:
Back-end Developer
Contributions:1180 reviews, 2638 commits, 2191 PRs in 7 years 4 months
Contributions summary:Enrico's commits primarily focused on improvements to the RDataFrame module, a crucial component of the ROOT framework for data analysis. Their work involved refactoring code, enhancing the interface, and ensuring that new features are correctly implemented, particularly for the handling of systematic variations and improving the usability of the `RDataFrame` within the ROOT framework. They also tested and addressed issues relating to friend trees and array sizes when used with different backend. The changes were aimed at performance improvements and maintaining the consistency of the product.
Contributions:24 reviews, 4 PRs, 2525 pushes in 8 years 5 months
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Enrico Guiraud - Scientific Software Engineer at Proxima Fusion