Senior Front-End Engineer

Pragmatike

full-time

Posted on: 1/13/2026

Location Type: Remote

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About the role

Design, build, and scale frontend architecture for real-time, data-heavy trading interfaces
Own complex UI features end-to-end, from technical design to production delivery
Build and optimize components consuming live data streams (WebSocket, SSE, REST)
Implement robust state management for high-frequency updates and user interactions
Collaborate closely with senior engineers and product leads in short iteration cycles
Profile and optimize frontend performance to meet low-latency requirements
Contribute to technical decisions and frontend architecture evolution
Ensure high code quality, maintainability, and scalability across the codebase

5+ years of experience in front-end engineering
Deep expertise in React, TypeScript, and modern state management patterns
Proven ability to architect and own full features with minimal oversight
Experience building data-intensive or real-time applications
Strong understanding of frontend performance optimization and profiling
Comfortable working in a startup environment with high autonomy
Familiarity with crypto products, trading platforms, or financial dashboards
Clear product mindset and strong attention to UX for power users
Bonus Points: Experience building Chrome Extensions (Manifest V3)
Bonus Points: Prior work on crypto exchanges, wallets, or trading tools
Bonus Points: Experience with Privy or other embedded wallet solutions
Bonus Points: Familiarity with charting libraries (TradingView, Lightweight Charts, etc.)

Benefits

Tip: use these terms in your resume and cover letter to boost ATS matches.

ReactTypeScriptstate managementWebSocketSSERESTfrontend performance optimizationprofilingChrome Extensionscharting libraries

collaborationattention to UXautonomytechnical decision making