John Reitan
Senior Principal Software Architect at Arm
Trondheim, Trøndelag, Norway
Summary
👤
Senior🎓
Top SchoolJohn Reitan is a Senior Principal Software Architect and team lead at Arm with 13+ years of deep expertise in low-level graphics and memory systems, driving OS integration, cache/coherency, AXI bus design and open-source upstreaming for Arm GPUs. He leads architects responsible for kernel drivers across GPU, display and video processors, and has influenced shipping on multiple Mali generations and consumer flagships like the Nexus 10 and Samsung devices. A hands-on engineer fluent in C (C89–C99), ARM/x86 assembly, Perl and kernel development, he pairs systems-level design with customer-facing integration work for tier-1 partners. He also contributes to open-source communities (and maintains packages in Gentoo), reflecting a long-standing commitment to upstream-friendly interfaces and practical portability across Linux, Android and real-time OSes.
14 years of coding experience
21 years of employment as a software developer
Høgskoleingeniør (Bachelor of Engineering), Computer Science, Høgskoleingeniør (Bachelor of Engineering), Computer Science at Sør-Trøndelag University College (HiST)
Norwegian, English
Stackoverflow
11reputation
877reached
0answers
3questions
Github Skills (27)
ebuild10
gentoo10
linux10
dockerfile9
surface-duo8
openrc7
google-sheets6
dialogflow-es6
actions-on-google6
bots6
pulse6
google-home6
omap5
kernel5
freebsd4
Programming languages (4)
Github contributions (5)
johnreitan/gentoo
Jul 2017 - Oct 2024
Fork of the official mirror the Gentoo ebuild repository
Contributions:19 pushes, 9 branches in 7 years 3 months
openflowebuildgentooebuild-repository
johnreitan/allocator
Oct 2016 - Aug 2017
Contributions:3 pushes in 10 months
unixmemorymemory-allocationlinuxallocation
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