Senior Frontend Engineer
Core
Building high-performance frontend systems for web and mobile trading/investing products serving millions of clients.
Role type
Senior Frontend Engineer (Web & Mobile)
Builds
Web and mobile trading/investing applications
Domain
Fintech / Trading & Investing
Deliverable
product features
Required skills
React, React Native, TypeScript, performance optimization, state management, testing (unit/E2E/visual-regression), system design, code review
Preferred skills
mentoring, cross-functional collaboration, learning unfamiliar technologies
Technologies
TypeScript, React, React Native, Nx, pnpm, TanStack Query, Zustand, Playwright, Detox, Jest
Responsibilities
Own complex frontend features end-to-end across web and mobile; Design and evolve React/React Native systems and shared libraries; Identify and resolve rendering, state-management, bundle, and runtime-performance bottlenecks; Work with product, backend, and QA to deliver user experiences; Maintain quality through code review and testing; Mentor colleagues and raise engineering standards
Seniority
Senior, hands-on IC
