• Led the development of the brand invoice feature in Kotlin and shipped to all European customers with 1500+ daily visits.
• Improved the referral system in RESTful architecture using Jersey and gained 8000+ incremental referrals within the first 6 months.
• Enhanced and modularized tax services using Guice for European expansion, leading to a 20% shipping revenue increase.
• Implemented a new tax service to allow selecting reduced tax rates, giving retailers the ability to save money upfront instead of waiting for tax returns.
• Developed a feature to enable retailers to order off-platform brands, driving retailer growth and brand relationships.
• Conducted A/B testing on new user homepage and led a successful full launch after 2 months of data collection.
• Redesigned the MySQL database schema and the commission logic for referring retailers, increasing overall commission revenues.
