Constantine Sapuntzakis
Software Engineer at Augment
Palo Alto, California, United States
Summary
👤
Senior🎓
Top SchoolConstantine Sapuntzakis is a seasoned software engineer with 26 years of experience specializing in operating systems, networking, storage and system virtualization, currently based in Palo Alto. He has driven measurable product improvements at Pure Storage—doubling peak write rates, simplifying deduplication, and turning compression-on-encryption from promise to shipped feature—while also founding and productizing technology out of his PhD work at Moka5. Constantine combines deep debugging and instrumentation skills (procmon, xperf, gdb, VStudio) with a knack for operationalizing troubleshooting practices and developer productivity improvements, and has interviewed and mentored hundreds of engineers. A prolific inventor and documenter, he authored dozens of internal encyclopedia articles, contributed to >30 patent filings, and earned multiple company awards for creativity and persistence. Notably, he bridges research and shipping products: he moved academic prototypes to production, negotiated complex security reviews with major banks, and still digs into packet traces and low-level failure modes when needed.
26 years of coding experience
18 years of employment as a software developer
MEng Computer Science and Electrical Engineering, MEng Computer Science and Electrical Engineering at Massachusetts Institute of TechnologyPhD Computer Science, PhD Computer Science at Stanford University
French
Stackoverflow
129reputation
582reached
0answers
1question
Github Skills (68)
rtsp10
python10
http10
websocket10
ruby10
pop310
command-line-tool10
cpp10
sftp10
ftp10
ftps10
telnet10
wss10
grpc10
ldap10
Programming languages (8)
Github contributions (5)
csapuntz/siteblock
Jan 2010 - Jan 2013
Siteblock chrome extension
Contributions:2 reviews, 10 commits, 2 PRs in 3 years
chrome-extensionchrome
csapuntz/grpc
Jul 2024 - Oct 2024
Contributions:6 pushes in 3 months
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