Frontend Engineer

Presto

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South Korea remote Until 8/22/2026 H-1B sponsor history First posted April 28, 2025 Last posted April 28, 2025
Job description
🚀 About Flipster
Flipster(flipster.io) is a next-level trading platform that is connecting investors to insight, and new opportunities brewing in the cryptoverse. We uncover exclusive opportunities and provide a high-performance platform to put them to work. We believe in an exciting, bold future for crypto. A decentralized, well-governed space, that sparks progress for investors, traders and amazingly innovative crypto projects simultaneously. Flipster will unlock access to ideas we can't even imagine yet. We aim to propel their development and uncover potential.

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
  • Brief Technical Meeting (approx. 30-minute video call)
  • Coding HW Assignment
  • In-depth Technical and Resume Interview (approx. 1-hour video call)
  • Final Hiring Decision
About this role

Summary

Develop and maintain high-traffic cryptocurrency exchange web pages and optimize for mobile integration.

Job title

Frontend Engineer

Experience level

4+ years

Industry

software

Location requirements

Global remote role, candidates can work from anywhere.

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

Reactwebviewcommunicationcode reviewsdocumentationEnglishKorean

Preferred skills

webviewsNext.jsSEObundlersopen-sourcecryptocurrencyTradingViewWebSockets

Specializations

frontendcryptocurrencyweb developmentSEOreal-time data
Locations

Structured locations inferred from the posting.

South Korea

Remote Country
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