Ju Sin
Developer at Loblaw Digital
Mississauga, Ontario, Canada
Summary
👤
Senior🎓
Top SchoolJu Sin is a versatile full-stack developer with nine years of experience building responsive web applications and APIs, currently contributing at Loblaw Digital from Mississauga. He combines fast, pragmatic implementation—demonstrated by rapid delivery of landing page templates that cut process time by 80%—with hands-on experience across TypeScript, Node.js, React, MySQL, AWS and mobile hybrid frameworks like Cordova. Ju has a strong API focus, having designed REST services, written JSON-Schema documentation and tested integrations with tools like Insomnia while applying HATEOAS principles. Comfortable working from design through deployment, he has maintained hundreds of client sites and shipped client-facing features for hospitality and retail products. Trained in full‑stack development and audio engineering, he brings a creative, performance-oriented mindset rooted in both technical craft and collaborative client work.
9 years of coding experience
4 years of employment as a software developer
Audio Engineering Diploma, Audio Engineering Diploma at Centre for Arts and TechnologyFullstack Web Developement, Fullstack Web Developement at Bitmaker
Github Skills (62)
javascript10
webauthn10
authentication10
typescript10
pkce10
oauth2-server10
totp10
oauth10
rest9
hateoas9
hal9
api8
momentjs8
fetch8
middleware8
Programming languages (5)
Github contributions (5)
juhangsin/juhangsin.github.io
May 2019 - Apr 2022
Home!
Contributions:28 PRs, 58 pushes, 27 branches in 3 years
juhangsin/myblog
Sep 2017 - Sep 2017
Contributions:25 pushes, 1 branch in 8 days
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