ToppsNFTs.com is a platform where fans can buy, collect, and sell digital collectibles from their favorite brands like MLB, Bundesliga, and Godzilla

Powered by the Avalanche blockchain, the platform provides a familiar experience to users with email login, fiat on/off ramps, and custodial wallets

Responsible for page speed, A/B testing, accessibility, and security for web pages generating millions of dollars in revenue per day

Led page speed optimization efforts that resulted in a 30% / 1.3s improvement within the first 3 months of joining

Contributed to several of the company’s inner-source projects used by thousands of developers, including a micro frontend framework and a cloud function service

1 of 25 engineers that received an award recognizing social open source contributions in 2020

Helped hire and screen developers, performing technical interviews for nearly 100 candidates

Built the first iterations of the platform, and helped raise $700k through a SAFE

Designed a QR-code based ticketing system, and a complex account system that used a combination of RBAC and ABAC

Built an iOS and Android app for users, a web based app for venue managers, and ticket scanning app for iOS and Android. Built and used a shared component library across all platforms.

Technologies Used: Node.js, GraphQL, Prisma, PostgreSQL, React, React Native, React Native Web, Jest, AWS, Stripe