Henry Mortimer
Senior Software Engineer at Neo4j
Brighton, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolHenry Mortimer is a Senior Software Engineer with 11 years of hands-on experience building secure, networked systems and web applications, currently working at Neo4j after roles in cloud-native security and information security at ControlPlane and American Express. A UCL Computer Science graduate, he blends full-stack development experience—React, Django, Node—with deep practical security work from penetration testing to cloud security tooling. Henry has a demonstrated curiosity across compilers, hardware tinkering and low-level mobile tooling, evidenced by early projects like an Objective-C mobile-forensics prototype and a front-end/back-end architecture role on the UCL API. Based in Brighton, he favors pragmatic engineering that balances usability and security, and maintains an active online presence through his GitHub and personal site.
11 years of coding experience
6 years of employment as a software developer
Maths Further Maths Physics German, Maths Further Maths Physics German at The willinkUniversity College London
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (70)
controller10
gatekeeper10
linux10
validation10
mutation10
django9
api9
conftest9
security9
operator9
supply-chain-security9
audit9
nixos8
opa8
rest-api8
Programming languages (10)
Github contributions (5)
hennersz/hennersz.github.io
Jul 2016 - Mar 2023
My personal site
Contributions:15 PRs, 71 pushes, 16 branches in 6 years 8 months
reactnextjs
hennersz/crafting-compilers
Jun 2021 - Mar 2025
code for https://craftinginterpreters.com
Contributions:2 reviews, 119 PRs, 150 pushes in 3 years 9 months
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