Senior Frontend Engineer

About the role You will be a senior contributor to our frontend product experience, working across our product suite, including our self-custodial wallet interfaces, account abstraction user flows, and a growing set of web and mobile decentralized applications (dApps). As a senior frontend engineer on the team, you will help shape frontend architecture, deliver complex user-facing features, and embed performance, reliability, and usability best practices into every release. You will work closely with designers, product managers, and engineers to take features from concept to production, while contributing to improving code quality, system design, and team workflows. Key responsibilities Fron

tend architecture & technical contributions: Contribute to the evolution of frontend system design, patterns, and best practices. Application development: Design, build, and maintain complex, production-grade frontend applications using TypeScript and TanStack Start. State management & data orchestration: Implement and maintain scalable client-side state using Zustand and TanStack Query to ensure predictable and performant data flows. Project ownership: Own and deliver end-to-end frontend workstreams, including: Core wallet and account abstraction UX flows High-throughput, data-rich product interfaces New web and mobile dApp surfaces Testing & reliability: Contribute to and maintain Playwrig