Justin Di
Mobile Engineer at Invoice Simple
Vancouver, British Columbia, Canada
Summary
👤
Senior🎓
Top SchoolJustin Di is a Mobile Engineer with 8 years of experience building and operating cross-platform mobile products and full-stack systems from Vancouver. With a combined Business and Computer Science degree from UBC Sauder, he blends product-minded engineering with analytics—having implemented Next.js SSR to double web conversions and built Periscope dashboards to monitor feature performance. At Invoice Simple he owns the React Native platform, improved E2E test reliability from 30% to 80% while halving CI test time, and maintains a near 99.5% crash-free mobile release cadence. He has hands-on experience integrating payments and regional sign-ins (WeChat/AliPay), shipping apps to both app stores, and creating CI/CD pipelines for Detox/Jest. Comfortable working across teams, Justin pairs design-forward front-end work with data-driven optimizations and a founder’s interest in entrepreneurship and branding.
8 years of coding experience
1 year of employment as a software developer
Bachelor’s Degree, Combined Major Business and Computer Science, Bachelor’s Degree, Combined Major Business and Computer Science at UBC Sauder School of BusinessAntai Global Summer Program, Business and Culture in China, Antai Global Summer Program, Business and Culture in China at Shanghai Jiao Tong University
English, Tagalog, Chinese
Github Skills (31)
realm9
react8
android8
nosql-database8
ios8
react-native8
infinite-scroll7
mobile7
mobile-application7
realtime-database7
cross-platform6
reactive6
testing6
database5
mobile-first5
Programming languages (6)
Github contributions (5)
justindi15/justindi15.github.io
Feb 2018 - Oct 2019
Contributions:2 PRs, 35 pushes, 3 branches in 1 year 8 months
cssjavascriptreactpersonal-portfolio-website
rubyhotel/rubyhotel
Mar 2018 - Mar 2018
Contributions:17 commits, 2 PRs, 11 pushes in 14 days
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