Yen-nan Lin

Web Software Developer at Cardinal Blue Software (PicCollage)

Taipei, Taiwan
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Summary

👤
Senior
🎓
Top School
Yen-nan Lin is a seasoned Web Software Developer based in Taipei with 11 years of experience blending research-style analysis and pragmatic engineering to solve production problems. Currently focused on Rails, he has driven measurable impact at PicCollage by improving API performance over 30%, cutting server costs by ~25%, and reducing Postgres usage by 20% while introducing GraphQL, chatbots, Docker, and CI to accelerate cross-team delivery. His background spans Android/Linux system software and USB driver development at HTC, reflecting a comfort with low-level systems as well as web stacks. Yen-nan approaches features experimentally—selecting the simplest robust solution that satisfies practical constraints—and enjoys taking on challenges that expand his technical repertoire.
code11 years of coding experience
job1 year of employment as a software developer
bookMaster of Science (MS), Master of Science (MS) at National Tsing Hua University
languagesChinese, English
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Stackoverflow

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Github Skills (55)

rails10
ruby10
homebrew10
decorators10
html10
instagram9
pytorch9
mvc9
instagram-api9
docker9
ai9
activerecord9
cuda9
property-list8
ruby-on-rails8

Programming languages (9)

JavaDockerfileCoffeeScriptShellGoJupyter NotebookRubyClojure

Github contributions (5)

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Contributions:5 pushes, 1 branch in 6 years 9 months
cardinalblue/cog

Oct 2023 - Apr 2025

Containers for machine learning
Contributions:12 reviews, 33 PRs, 60 pushes in 1 year 6 months
machine-learning
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