Quirence AI

Shipped a Property Tech platform powered by AI-enabled workflows—automating document analysis, integrated payments, and board-to-resident operations. Architected React/TypeScript and Python stack with Gemini and Claude for RAG-powered workflows. Developed cross-platform mobile apps with Flutter. Designed secure serverless AWS infrastructure with Terraform.

Venmo (PayPal)

Led 200+ engineers across iOS, Android, and Web platforms. Managed technical strategy for portfolios processing $300B+ annually. Oversaw Consumer Financial Services, Core P2P payments, and Commerce Platform.

Mysten Labs

Reduced cloud compute costs by 70% through Snowflake optimization. Integrated on-chain security monitoring and fraud prevention. Established company-wide AI infrastructure strategy.

Meta

Managed 40-50 engineers across global teams in continuous delivery. Led fintech security and Instagram NFT launch. Built Libra L1 blockchain infrastructure and Developer teams. Championed Rust adoption at Meta and Libra Foundation.

WePay

Scaled platform for high-performance payment APIs. Improved system reliability and compliance efficiency.

Kabam

Led unified payments platform supporting in-game monetization. Conducted early Bitcoin integration R&D.

Etsy

Architected checkout and payments systems that enabled IPO.

Presto.com

Developed recurring billing backend and designed online store checkout. Integrated billing with third-party fulfillment APIs.

eBay

Led $50M billing migration project and PayPal recurring payment systems.

Wired

Refactored Hotbot search engine code for performance. Redesigned backend advertising system, contributing to tripling ad revenue.

NetGravity

Consulted with CNN and Warner Bros on performance optimization. Developed Apache and Netscape web server modules.