Senior Frontend Engineer - JTX

📋 Description

• Frontend development and ownership: Build, maintain, and scale the trading application across web
• Real-time trading interfaces: Develop and improve order books, charts, order entry, positions
• Performance and latency optimization: Ensure responsive interfaces under continuous market-data
• Real-time data architecture: Maintain consistency and freshness across WebSocket streams for order
• Wallet and transaction flows: Build secure wallet onboarding, authentication, signing, and
• Shared frontend architecture: Own and improve reusable components, state management, data layers

🎯 Requirements

• At least 5 years of professional experience building and maintaining production frontend
• Deep expertise in React and TypeScript, including component architecture, state management
• Experience building mobile applications using React Native, Expo, or native iOS and Android
• Strong understanding of browser performance, memory management, WebSockets, network behavior under
• Experience designing or maintaining complex frontend data flows where freshness, consistency, and
• A strong security mindset, particularly around wallet integrations, transaction signing

🎁 Benefits

• Salary: $175,000–$195,000 per year.
• Work arrangement: Remote position based in the United States.
• High ownership: Opportunity to influence technical architecture, product direction, and the
• Technical challenges: Work with React, TypeScript, Next.js, real-time WebSocket data, advanced
• Product impact: Help make trading execution, market data, and complex financial interactions more
• Small-team environment: Collaborate closely with engineering, product, design, and infrastructure