Mark Siano
Software Engineer at Meta
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolMark Siano is a software engineer with nine years of experience building large-scale systems in cloud and consumer messaging environments, currently contributing to Messenger at Meta after a multi-year tenure on AWS Security Hub. He combines cloud security expertise from AWS with hands-on product engineering across AWS Marketplace and intern experience at Guidewire and Charles River Analytics. A UC Berkeley computer science graduate based in New York, he has navigated both security-focused and user-facing engineering challenges, bridging backend services and platform integrations. Notably, his background reflects a pattern of moving from platform and security work into high-scale consumer messaging, signaling strength in adapting core infrastructure skills to product-driven environments.
9 years of coding experience
5 years of employment as a software developer
Bachelor’s Degree Computer Science, Bachelor’s Degree Computer Science at University of California, Berkeley
English, Chinese
Stackoverflow
23reputation
12kreached
0answers
3questions
Github Skills (44)
aws-lambda8
intellij7
packaging7
azure-functions7
aws7
serverless-framework7
installer7
svg7
react7
python7
serverless7
pip6
jpa6
lambda6
nodejs6
Programming languages (4)
Github contributions (5)
zgovani/lol-champion-picker
Sep 2017 - Sep 2017
Contributions:16 commits, 10 pushes in 1 day
marksiano/clean-wollop
Jan 2017 - Sep 2018
Contributions:30 pushes, 1 branch in 1 year 7 months
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