Louis Jackman
Product Security Manager at Zopa Bank
London, England, United Kingdom
Summary
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SeniorLouis Jackman is a Product Security Manager in London with 11 years of hands-on experience evolving from DevOps and backend engineering into product-led application security at Zopa Bank. He has a track record of shifting teams from reactive, ops-driven models to scalable, product-focused security functions while still keeping an engineer’s eye for code and architecture. Previously he helped Qudini achieve ISO27001 readiness, automated AWS infrastructure with Terraform, and led practical migrations of legacy frontends. Louis contributes to open-source language tooling, notably improving debugging macros and REPL behavior in the Janet language, reflecting a comfort with low-level runtime and tooling work beyond typical security tasks. He combines threat modeling and secure design with practical delivery—peer reviewing architectures, advising on secure patterns, and rolling up his sleeves to implement fixes. Based in London, he balances management and individual contribution to drive secure product outcomes across growing portfolios.
11 years of coding experience
8 years of employment as a software developer
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (12)
macros10
interpreter10
repr10
lisp10
replit10
functional9
functional-programming-language9
lang9
functional-programming9
c178
vms8
c118
Programming languages (10)
Github contributions (5)
janet-lang/janet
May 2020 - May 2020
A dynamic language and bytecode vm
Role in this project:
Back-end Developer
Back-end DeveloperContributions:15 commits, 4 PRs, 10 comments in 8 days
Contributions summary:Louis primarily contributed to the `janet-lang/janet` repository by implementing and refactoring the `dbg` and `trace-pp` macros within the `src/boot/boot.janet` file. These changes involved debugging tools, including improvements to the way the macros return values and present output. Additionally, the user made adjustments to the shell functionality, specifically addressing how the REPL handles cancellation within forms.
functional-languagexmakemacrosc-programmingscripting-language
LouisJackman/volatile-thunk
Feb 2018 - Nov 2022
Contributions:174 pushes, 5 branches in 4 years 10 months
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