Juri Hahn
Ruby On Rails Web Development Contracting at Unfolding Web
Auckland, Auckland, New Zealand
Summary
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Rockstar🎓
Top SchoolJuri Hahn is a seasoned Ruby on Rails full-stack developer based in Auckland with over 15 years building responsive web applications and contracting under Unfolding Web. He pairs front-end expertise in HTML5, CSS2/3 and JavaScript with robust back-end engineering using Rails and PostgreSQL, and has led development teams and projects across industries from tourism to fleet management. His academic background (Master’s in Computer & Information Sciences) and thesis on gamifying help systems reflect a strong usability and UX focus—he routinely applies usage-centred design and usability testing to improve both UIs and APIs. Juri’s work emphasizes pragmatic improvements (asset pipeline backports, performance tuning, integration of tooling like H5BP and Bootstrap) and an eye for detail that reduces learning friction and boosts efficiency. He remains intellectually curious, exploring new languages and engaging with local developer communities to keep his skills current.
15 years of coding experience
11 years of employment as a software developer
Master's degree, Computer and Information Sciences, General, Master's degree, Computer and Information Sciences, General at Auckland University of TechnologyBachelor of Applied Science (BASc), Informatics & Chemistry, Bachelor of Applied Science (BASc), Informatics & Chemistry at Bergische Universität Wuppertal
English, German, Russian
Github Skills (200)
multithreading10
svg10
crawler10
rack10
cpp10
recaptcha10
solus10
openslide10
api10
nifti10
html10
dalli10
css10
scraper10
gif10
Programming languages (19)
Github contributions (5)
ur5us/thinking-sphinx
Jan 2022 - Apr 2026
Sphinx plugin for ActiveRecord/Rails
Contributions:2 pushes, 2 branches in 4 years 4 months
activerecordrails
ur5us/lobsters
Oct 2018 - Oct 2023
Computing-focused community centered around link aggregation and discussion
Contributions:8 pushes, 6 branches in 5 years 1 month
aggregationrailsrubyfocusedlink-aggregation
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