Chris Dryden
Software Engineer at Citadel Securities
Seattle, Washington, United States
Summary
🤩
Rockstar🎓
Top SchoolChris Dryden is a software engineer with eight years of experience building production systems at top tech firms, currently at Citadel Securities after four years across multiple roles at Amazon and a brief stint at Microsoft. He combines full-stack product engineering—React, Java, Ruby, and AWS services—with hands-on machine learning and data work from roles at Shopify, SGC, and RBC. On GitHub he contributes CUDA kernel and model-training optimizations to karpathy/llm.c, showing deep low-level ML engineering chops beyond his cloud and web expertise. Educated in Computer Engineering at the University of Toronto and internationally raised across Latin America, he brings a pragmatic, data-driven approach and cross-cultural perspective to engineering teams. Colleagues can expect a blend of performance-minded systems work and practical ML experience that bridges research code and production services.
8 years of coding experience
7 years of employment as a software developer
Colegio Maya, International School of Guatemala City, GuatemalaBachelor of Applied Science (B.A.Sc.), Computer Engineering, Bachelor of Applied Science (B.A.Sc.), Computer Engineering at University of TorontoHigh School, High School at Colegio Franklin Delano Roosevelt, International School of Lima, Peru
English, Spanish
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (8)
c1710
cuda10
kernel10
gpu-programming10
machine-learning10
c1110
neural-network9
gpt9
Programming languages (13)
Github contributions (5)
karpathy/llm.c
Apr 2024 - Jun 2024
LLM training in simple, raw C/CUDA
Role in this project:
ML Engineer
ML EngineerContributions:6 reviews, 41 PRs, 33 comments in 1 month
Contributions summary:Chris primarily contributes to CUDA kernels for training a language model. Their work focuses on optimizing and clarifying the code, including removing unused functions, removing templates to clarify data types, and adding packing for gelu forwards kernel. They also refactor existing kernels and add support for calculating layernorm activations during the backward pass.
ChrisDryden/TorontoHackathons
Aug 2019 - Feb 2020
Crowdsourced List of Upcoming Hackathons in Toronto Organized by Date and Application Deadline
Contributions:102 commits, 18 PRs, 98 pushes in 6 months
reactcrowdsourceddeadlineagile-developmentorganized
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