Senior Front-End Engineer (React) (Real-Time Data Visualization)

Role Description

We are seeking a Senior Front-End Engineer to join a high-performance team working on a project for one of the world’s largest mass media and broadcasting companies. In this role, you will build sophisticated, real-time interfaces that power live event coverage for millions of users globally. This position goes beyond traditional UI development, focusing on complex state orchestration, real-time data synchronization, and high-performance geospatial visualizations.

Responsibilities

• Architect and maintain complex, predictable UI logic using XState or similar state management solutions
• Develop high-performance, interactive geospatial interfaces using MapLibre, Mapbox, or similar libraries
• Implement and manage real-time data flows using WebSockets and Socket.IO
• Optimize rendering performance to ensure smooth user experiences (60fps) under heavy data loads
• Build scalable, modular, and testable front-end applications using React and TypeScript
• Collaborate closely with design and backend teams to translate product requirements into technical solutions
• Ensure clean code practices, documentation, and maintainability across the codebase

Qualifications

• Strong expertise in React and TypeScript
• Experience building complex, state-heavy frontend applications
• Hands-on experience with real-time data flows (WebSockets or event-driven architectures)
• Experience with geospatial visualization libraries (MapLibre, Mapbox, Leaflet, or similar)
• Proven ability to optimize performance for data-intensive interfaces
• Strong coding practices, including writing maintainable, modular, and testable code
• Ability to collaborate effectively across engineering and design teams
• Experience with XState or finite state machine architectures
• Experience working with vector tiles, custom layers, or advanced geospatial rendering
• Familiarity with Socket.IO for real-time communication
• Background in news, sports, live media, or streaming platforms
• Experience with D3.js, Canvas, or WebGL
• Understanding of scalability challenges in large media platforms
• Experience working on high-traffic, globally distributed applications
• Exposure to performance tuning for live, data-heavy user interfaces
• Familiarity with creative or design-driven development environments

Benefits

• 100% Remote Work: Enjoy the freedom to work from the location that helps you thrive. All it takes is a laptop and a reliable internet connection.
• Highly Competitive USD Pay: Earn an excellent, market-leading compensation in USD, that goes beyond typical market offerings.
• Paid Time Off: We value your well-being. Our paid time off policies ensure you have the chance to unwind and recharge when needed.
• Work with Autonomy: Enjoy the freedom to manage your time as long as the work gets done. Focus on results, not the clock.
• Work with Top American Companies: Grow your expertise working on innovative, high-impact projects with Industry-Leading U.S. Companies.

Why You’ll Like Working Here

• A Culture That Values You: We prioritize well-being and work-life balance, offering engagement activities and fostering dynamic teams to ensure you thrive both personally and professionally.
• Diverse, Global Network: Connect with over 600 professionals in 25+ countries, expand your network, and collaborate with a multicultural team from Latin America.
• Team Up with Skilled Professionals: Join forces with senior talent. All of our team members are seasoned experts, ensuring you're working with the best in your field.