What I Build
Production apps and platforms spanning iOS, Android, web products, game prototypes, AR/VR experiments, and data-driven finance tooling.
LIPAI WANG (aka William Jiamin)
Senior full-stack engineer and product builder with 20+ years of development experience across mobile, web, game, immersive, and quantitative systems.
Current Focus
SimpleBible and related mobile products: premium features, monetization, UX polish, and scalable architecture for long-term maintenance.
Engineering Style
Ship fast, keep code quality high, and optimize for reliability, performance, and clear product outcomes.
Tech Stack
Swift/SwiftUI, Kotlin/Android, Java, Python, JavaScript, C++, HTML/CSS, StoreKit, AVFoundation, ML workflows, and modern Git-based delivery.
Domain Experience
iOS, Android, web development, game development, AR/VR, financial modeling, quantitative research, and practical AI applications.
Public Work Snapshot
GitHub portfolio includes 180+ repositories covering mobile tutorials, production app work, Python/ML notebooks, and finance/quant projects.