Joseph Koshy
Committer at The NetBSD Project
Stony Stratford, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolJoseph Koshy is a seasoned systems-focused software engineer with nearly three decades of experience building high-performance distributed and multi-processor systems. A long-time FreeBSD committer and open-source founder (elftoolchain, PmcTools author), he creates production-grade tooling for performance measurement and ELF handling that are used across BSDs, RTEMS and other OSes. At Google he designed and operated large-scale, low-overhead freshness monitoring and data pipelines running across geographies, and has experience optimising Chrome on constrained mobile devices. His background spans research-quality kernel and tooling work, product-focused prototypes at AOL and NetApp, and embedded/OS kernel consulting, giving him rare depth from hardware counters to global distributed services. Based in Stony Stratford, UK, he pairs academic training from IIT Madras with a track record of mentoring contributors and shepherding long-lived open-source projects. Notably, his hwpmc/pmcstat work delivers perf-like whole-system profiling for FreeBSD with an emphasis on low overhead suitable for production.
28 years of coding experience
27 years of employment as a software developer
Indian Institute of Technology MadrasISC, MPC, ISC, MPC at The Hyderabad Public School, Begumpet
English, Hindi, Telugu
Stackoverflow
1,833reputation
212kreached
34answers
2questions
linux
top-5%
elf
top-5%
Github Skills (18)
c-language10
sql10
cprogramming-language10
linux9
elf9
documentation8
ld6
x86-646
reverse6
memory-alignment6
uid6
binutils6
readelf6
front-end-development6
ui-design6
Programming languages (11)
Github contributions (5)
emaste/elftoolchain
Apr 2008 - Mar 2020
Elftoolchain fork with bug fixes and improvements from FreeBSD
Contributions:1640 commits in 12 years 1 month
improvementsfreebsdfixes
jkoshy/atf
Apr 2022 - May 2024
Libraries to write tests in C, C++ and shell
Contributions:11 pushes, 2 branches in 2 years 1 month
cpptestingmakefileshellgcc
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