Sophie Wallace
Senior Systems Engineer at Cloudflare
London, England, United Kingdom
Summary
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RockstarSophie Wallace is a Senior Systems Engineer based in London with 12 years of hands-on experience building and refining performance-sensitive systems across games, audio, and cloud infrastructure. She has a strong full-stack background demonstrated by contributions to high-profile open-source projects like OpenRCT2 and Garry's Mod, where she improved OpenGL rendering, renderer hot-switching, Lua networking, and security hardening. Her career spans studio work and engineering roles at Facepunch, Electric Square, Fourier Audio, and now Cloudflare, combining low-level graphics and engine work with production-grade system engineering. Known for pragmatic refactors and hard-to-notice fixes—such as DPI scaling, sprite masking fixes, and removing unnecessary API calls—she elevates reliability and developer ergonomics behind the scenes.
11 years of coding experience
7 years of employment as a software developer
Github Skills (27)
javascript10
c-language10
strings10
text-manipulation10
garrysmod10
dm10
lua10
html10
cprogramming-language10
opengl10
sdl9
network-programming9
shader9
c119
graphics-programming9
Programming languages (13)
Github contributions (5)
Facepunch/garrysmod
Jul 2014 - Mar 2019
Sandbox mod for the Source Engine
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:1 release, 44 commits, 35 PRs in 4 years 9 months
Contributions summary:Sophie primarily focused on enhancing and refining the game's Lua scripting capabilities. Their contributions involved implementing new network features (net.WriteBool/net.ReadBool), improving string manipulation functions, and adding security enhancements to prevent potential Lua injection vulnerabilities. Additionally, the user worked on optimizing and refactoring existing code, including improvements to the halo rendering module and the toolgun interface.
garrysmodluamodsandboxgarrys-mod
tgstation/tgstation
Oct 2014 - Jul 2022
The /tg/station branch of SS13.
Role in this project:Full-stack Developer
Full-stack DeveloperContributions:17 reviews, 103 commits, 53 PRs in 7 years 10 months
Contributions summary:Sophie contributed to multiple areas of the TGStation project, including fixing beauty element logic in the BYOND DM code, which involved material handling and trait removal. They also worked on the front-end, removing input pass-through functionality from the stat panel HTML and correcting focus behavior. Additionally, the user updated TGUI and browser windows to correctly support DPI scaling and resolved issues in node bootstrapping.
gametilesetrpgdm2d-game
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