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

ABOUT TRUELOGIC At Truelogic we are a leading provider of nearshore staff augmentation services headquartered in New York. For over two decades, we’ve been delivering top-tier technology solutions to companies of all sizes, from innovative startups to industry leaders, helping them achieve their digital transformation goals. Our team of 600+ highly skilled tech professionals, based in Latin America, drives digital disruption by partnering with U.S. companies on their most impactful projects. Whether collaborating with Fortune 500 giants or scaling startups, we deliver results that make a difference. By applying for this position, you’re taking the first step in joining a dynamic team that values your expertise and aspirations. We aim to align your skills with opportunities that foster exceptional career growth and success while contributing to transformative projects that shape the future. OUR CLIENT Our client is part of a global technology-first network that uniquely combines engineering and creative at scale, with a roughly equal balance between both disciplines. They specialize in solving complex, high-impact digital challenges for leading enterprise organizations, with a strong focus on emerging technologies, AI, and evolving consumer behavior. With a global footprint and capabilities spanning the entire digital customer journey, they are known for delivering design-forward, high-performance platforms in highly competitive markets. JOB SUMMARY 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 [Upgrade to PRO to see link] - 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 AND JOB REQUIREMENTS - 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 [Upgrade to PRO to see link] 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 WHAT WE OFFER - 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. Apply now!