Note: The job is a remote job and is open to candidates in USA. Merciv is a forward-thinking team specializing in DeFi and Web3 technologies, seeking a Senior Frontend Engineer to lead the development of a responsive, real-time frontend application for the Reya DEX and Network. The role involves collaborating with a highly technical team to create a seamless user experience while ensuring code quality and performance optimization.
Responsibilities
- 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
- Real-Time Interface Development: Design and implement dynamic, interactive user interfaces that can handle real-time data feeds, such as live order book updates, price updates, trade executions. Your work will directly impact the user experience for traders
- Collaboration & Cross-Functional Leadership: Partner with the product team and UX/UI designer to translate complex requirements into engaging, intuitive interfaces. Work side-by-side with backend engineers to ensure smooth data flow and API integration
- Performance Optimization: Optimize application performance through efficient code, advanced rendering techniques, and smart resource management. You will focus on minimizing load times and ensuring smooth, lag-free interactions even under heavy data loads
- Responsive Design: Build responsive and accessible frontends that perform consistently across different devices and browsers, ensuring a high-quality user experience on desktops, tablets, and mobile devices
- Modern Frontend Architecture: Utilize modern frontend frameworks (such as React) and state management libraries to architect scalable and maintainable codebases. Embrace best practices in component design, testing, and documentation
Skills
- 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. Your proactive approach and strong communication skills help drive project success
- You have a strong commitment to writing clean, maintainable code and are well-versed in testing methodologies including unit, integration, and end-to-end testing
- 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
- 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 to streamline development and delivery processes
- 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.)
Company Overview
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