Jean聽Dubois
Software Architect at Time for the Planet
Nantes, Pays de la Loire, France
Summary
馃懁
Senior馃帗
Top SchoolJean Dubois is a seasoned Software Architect and team lead with 26 years in international development, combining deep expertise in distributed systems, telecom middleware, and low-level/embedded software. Currently architecting security products at Thales and contributing to climate action through Time for the Planet, he spans the full development lifecycle from requirements and PoC to maintenance and mentoring. His background includes leading Cell- and PPC-based high-performance computing projects, RDMA and fabric drivers, and porting Linux to proprietary hardware, reflecting rare cross-domain fluency. An active contributor to the Xvisor hypervisor (ARM support, GIC/timer and hypercall work), he brings practical open-source kernel and architecture experience. Known for coaching and shaping teams, he pairs pragmatic engineering with system-level design thinking. Based in Nantes, he blends telecom-grade reliability with hands-on embedded hacking to deliver robust, deployable platforms.
26 years of coding experience
12 years of employment as a software developer
Engineer, Computer sciense, Engineer, Computer sciense at Universit茅 de Technologie de Compi猫gne (UTC)
English
Stackoverflow
3reputation
1kreached
0answers
1question
Github Skills (28)
qemu10
architecture10
c1110
c1710
interrupt10
device-tree10
sys10
arm10
embedded10
architectures10
hyper-v9
c-programming9
timer9
timers9
hyper9
Programming languages (7)
Github contributions (5)
xvisor/xvisor
Nov 2011 - May 2020
Xvisor: eXtensible Versatile hypervISOR
Role in this project:
Embedded Systems Engineer / IoT Developer
Embedded Systems Engineer / IoT DeveloperContributions:418 commits in 8 years 7 months
Contributions summary:Jean contributed to the Xvisor hypervisor project, focusing on ARM architecture support. The commits show the user addressing issues related to build errors with specific compilers (gcc 4.6 and 4.3) by modifying code to declare variables as "static const" and fixing unused variable warnings. The user also implemented various hypercall instructions and fixed a bug in the i.MX25 device tree. Additional commits include improvements to the GIC and timer implementation.
vmshypervisorvirtualizationversatileextensible
jcdubois/muen
Feb 2022 - Jan 2025
Official mirror of the Muen Separation Kernel repository
Contributions:25 pushes in 3 years
kernelseparation
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