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. 

 

1. 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 

 

2. 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 

 

3. 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 

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