• Design and ship scalable React + TypeScript features powering HQ’s core workflows. • Build reusable UI components using Tailwind CSS and Sass, with strong focus on responsive UX and accessibility. • Improve frontend architecture within our domain-driven codebase and increase modularity over time. • Implement modern data-fetching patterns using TanStack Query (REST) and support adoption of GraphQL. • Strengthen state management (Redux and beyond) and input validation practices. • Optimize performance (render cycles, bundle size, network usage). • Work with modern tooling such as Vite, Next.js, and Git. • Improve quality using tools like Playwright, Cypress, React Testing Library, Storybook, Vitest, and Jest. • Provide thoughtful code reviews and technical guidance to engineers and contractor pods. • Contribute to cross-platform apps that are using React Native (TypeScript) with Expo. • Work with EAS Build/Submit/Update, App Store & Play Console releases. • Implement polished mobile UX using Reanimated, NativeWind, and design-system patterns. • Integrate native capabilities such as push notifications, deep links, and background execution.