Frederick Umminger
Principal Software Engineer at Roblox
Oakland, California, United States
Summary
🤩
Rockstar🎓
Top SchoolFrederick Umminger is a Principal Software Engineer and founder based in Oakland with nearly three decades of experience building audio, video, VR, and gaming systems and nine years in senior engineering leadership roles. He has led cross-platform media engineering at scale—delivering VOD, live events, video moderation, and voice/3D audio systems across consoles, mobile, and desktop—while also implementing audio ML models in production C++ using ONNX. A proven team builder, he founded and managed large engine teams at Roblox and earlier co-founded VRVIU to push 360° streaming and custom playback tech. His background in mathematics and DSP underpins patented signal-processing work for Pro Tools and novel spatial-audio representations optimized for high-latency networks. He currently splits time between production R&D on generative AI for music/film and hands-on engineering of audio ML in-game, combining research curiosity with pragmatic delivery. An engineer who moves fluidly between low-level C++ media stacks and machine learning systems, he brings both deep technical craft and a track record of shipping complex, user-facing media experiences.
9 years of coding experience
29 years of employment as a software developer
Mathematics, Mathematics at University of California, BerkeleyB.A. Mathematics, B.A. Mathematics at Harvard University
English
Github Skills (22)
roblox10
documentation10
drm8
broadcast6
streaming5
codec5
aac5
mp45
audio5
javascript5
hevc4
tiling4
mpeg-dash4
transcoding3
mss3
Programming languages (5)
Github contributions (5)
fumminger/frotzcore
Apr 2022 - May 2022
.NET Core 3 port of C# port of Frotz Infocom/Z-Machine interpreter by Stefan Jokisch
Contributions:13 pushes, 3 branches in 9 days
dotnetfrotznet-corecsharpnet-core-3
fumminger/Fabula
Jul 2022 - Sep 2022
Contributions:10 pushes, 1 branch in 1 month
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