[Hiring] Reya DEX & Network - Senior Frontend Engineer @deCircle

Role Description

As a Senior Frontend Engineer, you will lead the development of a performant, responsive, real-time frontend application that powers the Reya DEX and Network. You’ll work closely with a highly technical team to craft a seamless user experience in a fast-paced, data-intensive DeFi environment.

This role is ideal for someone who is passionate about DeFi, Web3, engineering rigor, security, and speed, and who brings 8+ years of frontend engineering experience with a deep commitment to code quality and modern testing practices.

• Lead the architecture and development of Reya’s real-time trading and network interface
• Build highly performant, responsive UI components for data-heavy DeFi applications
• Design frontend systems that handle live market data, state synchronization, and complex user interactions
• Collaborate closely with backend, protocol, and design teams to deliver a seamless product experience
• Ensure high standards of code quality, testing, and maintainability across the frontend codebase
• Contribute to frontend security practices and safe interaction with on-chain systems
• Optimize performance for low-latency updates and real-time feedback
• Participate in technical discussions, reviews, and roadmap execution
• Design and implement dynamic, interactive user interfaces that can handle real-time data feeds
• Partner with the product team and UX/UI designer to translate complex requirements into engaging, intuitive interfaces
• Optimize application performance through efficient code, advanced rendering techniques, and smart resource management
• Build responsive and accessible frontends that perform consistently across different devices and browsers
• Utilize modern frontend frameworks (such as React) and state management libraries to architect scalable and maintainable codebases

Qualifications

• 6+ years in frontend development with a solid background in building high-performance, real-time web applications
• Deep expertise in JavaScript & TypeScript, modern web frameworks, and advanced CSS techniques
• Deep knowledge of the architecture of performant client-side React applications
• Comfortable working in a dynamic environment where priorities may shift rapidly
• Strong commitment to writing clean, maintainable code and well-versed in testing methodologies
• Demonstrated experience with web sockets or other real-time data protocol
• Prior experience working closely with product, design, and backend teams in a remote or distributed setting

Requirements

• Proven experience (8+ years) in frontend development, particularly within fintech, trading, or real-time data applications
• Knowledge of server-side rendering (e.g., Next.js) and progressive web app (PWA) development is a plus
• Familiarity with cloud platforms and continuous integration/continuous deployment (CI/CD) pipelines
• Bachelor's or Master's degree in Computer Science or a related field or equivalent experience
• Familiarity with the web3 frontend stack (ethers/viem, client-side private key management, etc.)