Andrew Francis
Principal Engineer at Twitch / Amazon Web Services (AWS)
San Francisco, California, United States
Summary
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SeniorAndrew Francis is a Principal Engineer with 13 years of professional experience building and operating large-scale, low-latency video systems at Twitch/AWS from San Francisco. He focuses on video bitstreams, low-latency internet protocols, networking, SRE, and distributed deployment—helping run a platform that serves millions of concurrent viewers and hundreds of thousands of broadcasters. Comfortable as a hands-on individual contributor, he pairs high-level architecture with deep performance work (he even writes SSE intrinsics for fun) and a pragmatic taste for products used by everyday people. An Australian by background, he brings a mix of systems-level curiosity and production-grade reliability shaped by long-tenured roles across startups and enterprise teams.
13 years of coding experience
19 years of employment as a software developer
Github Skills (25)
armhf8
validators8
utf8
json7
benchmark7
gcc-compiler7
delta7
sanitization7
parser7
arm6
node-graph6
fuzzer6
parsing6
json-parser6
clang5
Programming languages (2)
Github contributions (5)
andrewffff/utf8fuzz
Nov 2012 - Jul 2020
Fuzzer and benchmarker for UTF-8 validators
Contributions:15 commits, 2 PRs, 5 pushes in 7 years 9 months
deltautfutf-8validatorsfuzzing
andrewffff/watch-make
Oct 2012 - Jan 2013
Contributions:20 commits in 3 months
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