Frontend Engineer

Build performant, scalable, and intuitive user interfaces for SwapRail across web and mobile platforms, covering trading flows, wallet interactions, and real-time data visualization.

Location: Remote / Work from Home

Type: Part-time preferred / Full-time available

Responsibilities

- Develop and maintain core product interfaces using React and React Native

- Implement complex trading flows, including quoting, routing visualization, and execution states

- Integrate wallet connectivity and blockchain data into UI layers

- Build real-time data-driven interfaces (prices, balances, transaction states)

- Design and implement reusable UI components and design systems

- Optimize rendering performance, especially under high-frequency data updates

- Handle edge cases such as pending transactions, failed states, and network inconsistencies

- Collaborate closely with backend and wallet engineers to align on data contracts and UX behavior

Requirements

- Strong experience with React and TypeScript

- Experience with Next.js and modern frontend architecture

- Experience building mobile apps using React Native

- Strong understanding of state management (React Query, Zustand, Redux, etc.)

- Experience handling asynchronous data and real-time updates

- Familiarity with TailwindCSS or similar styling systems

Nice to Have

- Experience building DeFi or trading interfaces

- Familiarity with Web3 frontend libraries (wagmi, viem, ethers)

- Experience with charting and data visualization (TradingView, D3, Recharts)

- Understanding of UX patterns for financial/trading products

- Experience building cross-platform design systems