Sr. Frontend Engineer

Responsibilities:

• Develop, maintain, and optimize responsive web applications using React.js and JavaScript.
• Build and enhance trading interfaces, including order books, market depth, trading charts, order placement workflows, and portfolio dashboards.
• Integrate frontend applications with backend services developed in Golang through REST APIs and WebSockets.
• Implement real-time data streaming and efficient UI updates for live market prices, order status, and trading activities.
• Optimize frontend performance to ensure responsiveness, stability, and a seamless user experience during periods of high market activity.
• Implement efficient state management and data synchronization across complex, data-intensive interfaces.
• Collaborate with backend engineers to define API contracts, handle errors, and ensure seamless frontend-backend integration.
• Write clean, reusable, and maintainable code in line with engineering best practices.
• Explore and leverage AI-assisted development tools to improve coding efficiency, debugging, testing, and overall development productivity
• Identify and resolve performance bottlenecks, frontend bugs, and production issues.
• Follow frontend security best practices, particularly around authentication, session management, and sensitive user interactions.
• Participate in code reviews, technical discussions, and continuous improvements to frontend architecture.
• Work closely with product, design, QA, and backend teams to deliver features aligned with business requirements.

Requirements:

• 6-8 years of professional experience in frontend web development.
• Strong proficiency in JavaScript (ES6+), HTML5, and CSS3.
• Hands-on experience with React.js and its ecosystem.
• Experience with state management libraries such as Redux or equivalent.
• Strong understanding of REST APIs, asynchronous programming, and frontend-backend integration.
• Experience working with WebSockets or other real-time communication technologies.
• Experience developing responsive, data-intensive, and performance-sensitive web applications.
• Strong understanding of browser rendering, frontend performance optimization, and efficient data handling.
• Familiarity with frontend testing tools such as Jest, React Testing Library, or Playwright.
• Experience with Git, code reviews, and modern frontend development workflows.
• Strong debugging and problem-solving skills.

Good to Have:

• Experience working with cryptocurrency exchanges, fintech products, stock trading platforms, or other financial technology applications.
• Understanding of trading concepts, including order books, market depth, limit orders, and market orders.
• Experience building real-time dashboards or applications that handle frequent data updates.
• Familiarity with TradingView Charting Library, Lightweight Charts, or similar charting solutions.
• Experience implementing WebSocket reconnection strategies and real-time data synchronization.
• Familiarity with Next.js and modern frontend application architecture.
• Experience collaborating with backend teams working with Golang or microservices-based architectures.
• Familiarity with AI-assisted development tools such as GitHub Copilot or Claude Code
• Basic understanding of AI-powered applications and their integration into web platforms

Skills

JavaScript, React, React.js, WebSockets