- coinbase
- react
- typescript
- frontend
- ios
- android
Role: Senior Frontend Engineer, Portfolio. Responsibilities: Own the design and delivery of core Portfolio experiences including balances, holdings, and PnL across web (React/TypeScript) and native mobile (iOS and Android). Build performant, accessible, pixel-accurate UI that renders real-time financial data at Coinbase scale. Partner with backend, design, and product to take ambiguous problems from scoping through production rollout. Drive frontend architecture and quality including component reuse, state management, testing, and performance instrumentation. Strengthen the team's engineering bar through rigorous code reviews, technical mentorship, and well-documented architecture decisions. Requirements: 5+ years of frontend engineering experience building consumer-facing web applications with high-quality, well-tested production code. Deep expertise in React and TypeScript, with strong command of modern frontend fundamentals. Track record shipping and owning complex features end-to-end in production.