Daniel Sinclair

NYC to SF currently moving to SF

Product Engineer in AI, Crypto

Previously building wallets at Rainbow. Now exploring agents,
the evolution of how we work, and voice‑first interfaces. stay tuned

Work

2022–26
Rainbow PM · SWE Williamsburg
Fun, powerful, and secure crypto wallets for Ethereum.
Rainbow Wallet Industry-esteemed mobile wallet for iOS and Android Rainbow Extension Fast, hotkey-driven wallet for crypto pros and devs RainbowKit Industry standard library to connect a wallet Frontend Landing, marketing sites and strategic initiatives

I led Product for the web wallet, cross-cutting protocol standards and strategic initiatives, and maintained several products through reallocations, including the extension, web properties, and open-source public goods.

2022
Plasmo Open-source Engineer

Leading framework for building cross‑browser web extensions.

I consulted on programmatic conversion of Web Extensions to Safari WebKit for iOS and macOS, including Xcode project generation in the pre-agent era.

2017–21
Dormillo Co-founder

Social messaging for students — find and message anyone on campus.

I led engineering, including the iOS and Web products, real-time messaging infrastructure, and enterprise integration pilots with universities.

Background

2014–17
Rochester Institute of Technology Rochester, NY
Computer Science, B.S.