Ethan Millstein

Leading the restructuring and modernization of a large React Native mobile app to improve scalability, maintainability, and team velocity. Focused on mobile architecture, developer workflows, and long-term engineering quality in close collaboration with product and design.

Built and operated alook as a founder-led product, owning engineering and product execution end-to-end across iOS/Android and backend systems. Focused on UX clarity, privacy, and long-term maintainability.

Joined as a financial analyst and later transitioned into software development, engineering a financial valuation platform that evolved into the standalone product Valuzz. Now provide light maintenance and support as a contractor.

Co-founded Valuzz by evolving ABI Multifamily’s internal valuation system into a standalone product. Led end-to-end technical development, focusing on usability, data modeling, and long-term maintainability.

Led development of the initial React Native mobile app, enabling spend management, card issuing, and reporting. Scaled the mobile engineering team to seven engineers and owned mobile architecture and delivery.

Rebuilt the mobile app from Ionic to React Native, improving performance and user experience, and contributed to early product development and onboarding.

Programming Languages

Libraries & Frameworks

Databases & Services