Frontend Engineer
TLDR
Develop high-performance trading interfaces for web and mobile, delivering real-time data visualization, wallet integration, and scalable UI components.
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
SwapRail builds a professional self-custody wallet specifically for users looking to make clear and secure cross-chain swaps between EVM networks and Solana. By prioritizing transparency and operational clarity, it provides users with understandable fee structures, transaction summaries, and a focused pathway for moving assets, setting itself apart from generic crypto wallets.