Sapphire Livingstone
Cyber Security at Jane Street
United Kingdom
Summary
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Top SchoolSapphire Livingstone is a cyber security specialist joining Jane Street with eight years of hands-on experience across vulnerability research, secure tooling, and applied cryptographic systems. She holds a first-class BSc in Computer Science from the University of Edinburgh and completed an exchange at the University of Pennsylvania, where she also taught computer and network security. Her background spans research internships at CrowdStrike, systems and Rust-based tooling at D. E. Shaw, and vulnerability work for L3Harris and blockchain clients, demonstrating fluency in Rust, Haskell, and offensive security techniques. As president of SIGINT and CompSoc she organised large-scale CTFs and managed budgets and communities, blending technical depth with program leadership. She has practical experience shipping Kerberos/Vault integrations, credential self-service tools, fuzzing frameworks and Merkle-tree based crypto authorization systems. Colleagues describe her as a pragmatic researcher who bridges low-level exploit development and production-grade secure engineering.
7 years of coding experience
Bachelor of Science, Computer Science, First, Bachelor of Science, Computer Science, First at The University of EdinburghAdvanced Highers: Maths, Statistics, Computing Science (AAA), (A A A), Advanced Highers: Maths, Statistics, Computing Science (AAA), (A A A) at George Heriot's SchoolExchange Year, Computer Science, Exchange Year, Computer Science at University of Pennsylvania
Stackoverflow
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Github Skills (84)
text-editor10
installer10
discord-bot10
javascript9
rust-lang9
rust9
bash9
dyld9
ada9
haskell9
steganography9
web-development9
discord9
docker-image9
css9
Programming languages (12)
Github contributions (5)
social-anthrax/wikigame
Sep 2019 - May 2021
AH Project
Contributions:6 PRs, 60 pushes, 7 branches in 1 year 9 months
social-anthrax/dotfiles
Mar 2022 - Feb 2025
Dotfiles for my nvim install :)
Contributions:2 PRs, 27 pushes, 3 branches in 2 years 11 months
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