Vasileios Giotsas
Senior Research Engineer at Cloudflare
London, England, United Kingdom
Summary
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Rockstar🎓
Top SchoolVasileios Giotsas is a Senior Research Engineer based in London with a decade of experience building and measuring large-scale networked systems. He combines academic rigor—holding a PhD from UCL and experience as an assistant professor and postdoc working on Internet routing, economics, and application performance—with industry engineering roles at Cloudflare and startups like iSize. His background spans end-to-end systems work from research-grade measurement and visualization to production services processing terabytes of video on AWS, reflecting both theoretical insight and pragmatic implementation. He has a track record of turning complex network research into operational tools and optimizations used by engineers and media organizations alike. Colleagues describe him as someone who bridges deep protocol-level knowledge with cloud-scale engineering practices, often uncovering subtle measurement biases that improve product decisions. Fluent in building reproducible measurement pipelines, he brings a rare mix of academic curiosity and production-focused delivery.
11 years of coding experience
17 years of employment as a software developer
Master of Science (M.Sc.), Computer Communication, Networks and Distributed Systems, Distinction, Master of Science (M.Sc.), Computer Communication, Networks and Distributed Systems, Distinction at University College London, U. of LondonBachelor of Science (B.Sc.), Computer Science, 74%, Bachelor of Science (B.Sc.), Computer Science, 74% at University of PiraeusUniversity College London
Stackoverflow
2,743reputation
761kreached
28answers
49questions
Github Skills (92)
ipfs10
youtube9
cli9
http9
internet9
vimeo9
plyr8
html5-video8
vimeo-player8
user-authentication8
rpc8
go8
password-hash8
javascript7
authentication7
Programming languages (13)
Github contributions (5)
pgigis/remote-peering-jedi
Nov 2016 - Jan 2018
Contributions:12 commits, 9 pushes, 2 branches in 1 year 2 months
vgiotsas/ip-transfers-observatory
Sep 2020 - Jun 2021
Contributions:16 commits, 11 pushes in 9 months
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