Jeff Yang
Freelance at Self-employed
Old Toronto, Ontario, Canada
Summary
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SeniorJeff Yang is a senior software architect and freelance engineer based in Old Toronto with over 20 years of experience designing large-scale distributed systems and 11 years of focused professional practice. He currently runs GPT/AI development projects using LangChain, specializing in private domain-specific dataset preparation, training, and operationalizing models in production. His hands-on skill set spans Linux, open-source tooling, Python/AI, Kubernetes, and DevOps, enabling end-to-end delivery from data to deployed services. Jeff combines architectural rigor with practical deployment experience, often taking projects from prototype to stable operation. An independent practitioner, he pairs deep systems knowledge with a privacy-first approach to domain adaptation for AI, making complex models usable and secure for niche business needs.
11 years of coding experience
Stackoverflow
1,867reputation
993kreached
94answers
0questions
prompt
top-5%
Github Skills (48)
prompt9
mechanism8
docker8
kubernetes8
atom-editor7
go7
pydantic6
scp6
k8s6
llama-index6
ssh6
subsystem6
http6
python6
gerrit6
Programming languages (6)
Github contributions (5)
j3ffyang/esse.io
May 2015 - Nov 2017
Contributions:1 PR, 49 pushes, 1 branch in 2 years 6 months
j3ffyang/mbp-fedora
Feb 2022 - Apr 2022
Contributions:4 commits, 3 pushes, 1 branch in 1 month
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