Kelsey Gilbert
Staff Software Engineer at Mozilla
San Jose, California, United States
Summary
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Top SchoolKelsey Gilbert is a Staff Software Engineer in San Jose with 14 years of experience building high-performance browser and graphics systems at Mozilla. She blends deep systems and graphics expertise—WebGPU, WebGL, WebGL2 and browser rendering engine work—with front-end polish, having improved interactive font demos and responsive UIs for projects like Mozilla Fira. Her contributions span specification-level API changes, engine integrations in Servo, and compiler/tooling maintenance in Emscripten, showing a comfort across WebIDL, WGSL, and WebAssembly toolchains. Known for pragmatic code maintenance and test-driven fixes, she balances evolving standards work with shipping robust implementations. A Stanford CS graduate, she brings both low-level GPU and practical UI experience, and a knack for turning complex graphics specs into usable, tested features.
14 years of coding experience
6 years of employment as a software developer
BS, Computer Science, BS, Computer Science at Stanford University
Stackoverflow
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Github Skills (36)
webgl10
javascript10
c-language10
python10
scripting10
testing10
css10
build-system10
buildx10
pyscript10
build210
webidl10
script10
wgsl10
webgpu10
Programming languages (15)
Github contributions (5)
KhronosGroup/WebGL
Oct 2013 - Oct 2022
The Official Khronos WebGL Repository
Role in this project:
Front-end Developer
Front-end DeveloperContributions:159 reviews, 234 commits, 444 PRs in 9 years
Contributions summary:Kelsey primarily contributed to the Khronos Group's WebGL repository by addressing rendering and texture-related issues. Their work involved modifying existing test files and adding new ones to improve test coverage and accuracy, specifically related to texture formats, blending, and the correct behavior of various WebGL API calls. The user's commits reflect a focus on ensuring the WebGL implementation aligns with the OpenGL ES Shading Language specification and addressing rendering bugs in different browsers. The contributions were focused on testing, fixing, and expanding the WebGL test suite.
threejskhronoswebgl
gpuweb/gpuweb
Mar 2018 - Dec 2022
Where the GPU for the Web work happens!
Role in this project:Back-end Developer
Back-end DeveloperContributions:153 reviews, 72 commits, 164 PRs in 4 years 9 months
Contributions summary:Kelsey primarily contributed to the WebGPU specification, making significant changes to the WebIDL files. These changes included API modifications related to buffer mapping, fence implementations, and device creation. The user also made changes to the specification document, including updates to how canvas compositing happens with SwapChains, and WGSL grammar.
gpu-programminggpuwebgl2webgpugpgpu-computing
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