John Walker
Software Engineer at Meta
New York, New York, United States
Summary
👤
Senior🎓
Top SchoolJohn Walker is a software engineer with 12 years of experience focused on privacy and cryptography, currently building mobile privacy-enhancing technologies and backend MPC systems at Meta. He has a strong track record at scale, having led backend service development for Amazon Live and then contributed to AWS Cryptography migrations and tooling. Comfortable across Kotlin, Objective-C, and Rust, he specializes in secure protocol migrations, encryption clients, and protocol safety verification while favoring low-cost, high-reliability integrations. Based in New York, he combines hands-on engineering with pragmatic security stewardship, making him an effective partner for teams needing both implementation and verification of cryptographic systems. An applied systems thinker, he often bridges mobile and backend stacks to deliver auditable, production-ready privacy solutions.
12 years of coding experience
5 years of employment as a software developer
Bachelor of Science (B.S.), Computer Science, Bachelor of Science (B.S.), Computer Science at University of Kentucky
English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (118)
java-native-interface10
firmware10
vim10
spacemacs10
encryption10
melpa10
emacs-lsp10
keyboard10
amazon-dynamodb10
dynamodb10
emacs10
rust10
java10
amazon10
usb10
Programming languages (10)
Github contributions (5)
johnwalker/johnwalker.github.io
Jan 2015 - Jun 2020
Contributions:58 pushes in 5 years 6 months
johnwalker/bitcoin-protocol
May 2014 - Mar 2015
Contributions:143 commits, 1 push in 10 months
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