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 Web Engineer at Flipster,

The Web Engineer team is dedicated to delivering a simple, intuitive, and seamless trading experience while building a platform that scales reliably with high-volume traffic.

We work closely with Product Managers, Designers, and Backend Engineers in a squad-based setup, where every member can contribute proactively to product direction and technical decision-making.

We are now looking for a Senior Web Engineer to join us in driving the expansion of our global web and app trading services.

Responsibilities

Exchange Web Development: Build high-performance web applications that support large-scale trading traffic.
WebView Optimization: Develop and optimize mobile webview environments for app integration.
Chart Development: Enhance trading features with TradingView and advanced charting capabilities.
Back-office Tools: Build internal web applications to support business operations.
SEO/SSR Optimization: Improve search visibility and web performance using Next.js and SSR architecture.
Real-time Data Processing: Implement WebSocket-based solutions for live trading data updates.

Qualifications

4+ years of professional experience in frontend development with React, or equivalent expertise.
Proven experience with project setup and early-stage service architecture.
Hands-on experience in mobile/webview optimization.
Strong collaboration and communication skills across cross-functional teams.
Active contributor to code reviews and technical documentation.
Passion for new technologies and a strong growth mindset.

Preferred

Experience with Next.js SSR and performance optimization.
SEO optimization and search visibility improvement.
Strong understanding of bundlers (Webpack, Vite, etc.).
Contributions to open-source projects.
Interest or background in crypto/financial services and trading platforms.
Hands-on experience with TradingView API and real-time WebSocket data handling.
Interest in team building and leadership, with potential to grow into a leadership role.
Experience with iOS / Android native development.