Frontend Engineer

South Korea
Flipster – Engineering /
Full-time /
Remote
🚀 About Flipster
Flipster(flipster.io) is a high-performance crypto perpetuals trading platform on a mission to create the most efficient, frictionless, and high-performance trading experience.
Engineered by traders and optimized for trading, Flipster combines zero spreads, instant execution, and capital efficiency to deliver a platform where performance is the product.
Operating globally and serving users in nearly 200 countries, Flipster is built for crypto traders who demand the ultimate perpetual trading experience — from active retail users to degens to seasoned pros — while maintaining the highest standards of compliance and security.

As a Senior Frontend Engineer at Flipster
The Flipster Frontend Team focuses on delivering user-friendly, intuitive crypto trading experiences. We prioritize code quality through rigorous code reviews, ensuring seamless performance even under high traffic. Our team collaboratively solves challenges, sharing knowledge and expertise along the way. We operate in agile squads, closely collaborating with Product Managers, Product Designers, and Backend Engineers, allowing each member to proactively contribute to product improvements. We are currently seeking a Senior Frontend Engineer to join us in developing and operating our rapidly growing web and app-based exchange platform.

Location: This is a global remote role.

Responsibilities

    • Develop and maintain high-traffic cryptocurrency exchange web pages.
    • Optimize webviews for mobile app integration.
    • Develop TradingView chart functionalities for the exchange.
    • Create and maintain back-office systems for internal users.
    • Implement and optimize SSR (Server-Side Rendering) for enhanced SEO performance.
    • Process real-time data using WebSockets.

Qualifications

    • 4+ years of experience with React frontend development, including initial project setups.
    • Proven experience developing and troubleshooting various webview solutions with mobile teams.
    • Excellent communication skills for effective collaboration across teams.
    • Passionate about detailed and effective code reviews.
    • Enjoys maintaining clear and comprehensive development documentation.
    • Passionate about learning new technologies and personal growth.
    • Fluent in English and proficiency in Korean.

Preferred

    • Experience optimizing and resolving issues related to webviews.
    • Experience optimizing and maintaining Next.js servers.
    • Strong understanding and experience with SEO optimization.
    • In-depth knowledge and experience with bundlers.
    • Contributions to open-source projects.
    • Interest in and familiarity with cryptocurrency exchange platforms.
    • Practical experience using TradingView.
    • Hands-on experience processing real-time data through WebSockets.

Tech Stack

    • React
    • TypeScript
    • Panda CSS
    • Next.js (App Router)
    • Turborepo
    • WebSocket
    • TradingView

Hiring Process

    • Resume Screening
    • 1st Round Interview (30 minute, includes live coding session)
    • Homework Assessment
    • 2nd Round Interview (60 minute)