Hell Oh Entropy!

Life, Code and everything in between

About Me

I am Siddhesh Poyarekar, a Free and Open Source systems software hacker. I have been an active contributor to the GNU toolchain and have a keen interest in low level programming.

Projects and contributions



Employment History


Technical Lead (Mar 2016 - current)
Toolchain Engineer (Sep 2015 - Mar 2016)

GNU toolchain optimization for next generation ARMv8.x based server processors. I lead a team of compiler hackers as well as contribute code to glibc and gcc.

Red Hat

Senior Software Engineer (Sep 2012 - Sep 2015)

Work on glibc upstream as well as maintain glibc on RHEL and Fedora.

Software Maintenance Engineer (Sep 2011 – Aug 2012)
Senior Technical Support Engineer (Aug 2010 – Sep 2011)
Technical Support Engineer (Jan 2009 – Aug 2010)

Provide technical expertise and bug fixes for Red Hat Enterprise Linux. Primary domains of expertise: Tools (glibc, gcc, gdb), MRG Messaging (Apache qpid), Desktop (gtk, Xlib).

Tata Consultancy Services Ltd.

Assistant Systems Engineer (Sep 2006 – Jan 2009)

Educational Qualification