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Front-End Developer (Full-Time, Remote) at Horizon Asset Investments. Location Information: Anywhere in the World. . Headquarters:. Remote . URL:. . https://www.horizonassetinvestments.com/. . . We are seeking a Front-End Developer to design and build the user-facing components of our high-performance trading platform. You will play a key role in creating intuitive, data-rich interfaces that enable traders and analysts to work efficiently and effectively.. . . . You will collaborate closely with the Back-End Development Team and the Project Manager to deliver seamless, integrated systems. A key factor is the front end developer’s ability to deeply discuss approaches, trade-offs, limitations, and pros/cons with the development team, rather than reliance on any specific pattern or library.. . . . . Key Responsibilities. . . Develop and maintain the front-end applications of our trading platform.. . Collaborate with back-end developers and the project manager to ensure smooth integration across systems.. . Design and implement multi-page layouts, menus, and workflows that balance usability with efficiency.. . Contribute to the design and user experience of the trading platform, performance & risk manager, and backtesting engine.. . Implement and optimize charting and data visualization features, leveraging libraries such as TradingView or D3.js to support a wide variety of chart types (tables, multi-line chart packs, etc.).. . Continuously refine the UI/UX to ensure clarity, speed, and intuitive navigation for end users.. . . . . . Qualifications. . . Strong communication skills and the ability to collaborate effectively with developers, project managers, and business stakeholders.. . A keen eye for design, simplicity, and efficiency, with the ability to translate complex requirements into clean, user-friendly interfaces.. . Knowledge of financial systems or trading concepts is preferred.. . . . . Core stack (mandatory). . . React 18 + Next.js (App Router), TypeScript, TailwindCSS.. . Strong command of state management for high-frequency data (e.g., Zustand, Redux Toolkit, useSyncExternalStore).. . . . . Real-time data & performance. . . Hands-on with WebSockets / SSE and reconnection/backoff strategies; handling authenticated socket connections and topic resubscriptions.. . Experience implementing backpressure, buffering, coalescing, and windowing to prevent UI thrash under thousands of updates/minute.. . Data virtualization (react-virtualized, react-window) for large tables (orders, positions, trades).. . Familiar with Web Workers / OffscreenCanvas and message passing to keep the main thread responsive.. . Awareness of latency budgets and frame-time profiling using React DevTools and browser performance tools.. . . . . Charting & visualization. . . Practical experience with professional charting libs (e.g., TradingView Charting Library, Lightweight Charts, Highcharts, D3).. . Real-time overlays: best bid/ask, order book depth, last OHLCV, order/position annotations.. . Multi-pane layouts (price, volume, indicators) with synchronized crosshairs and time scales.. . . . . Architecture & data access. . . Client-side caching and invalidation (e.g., TanStack Query / React Query).. . Schema-driven UI for instruments and venues.. . Use of Error Boundaries, Suspense, and progressive hydration/streaming for large Next.js pages.. . . . . Auth, security, and roles. . . Strong understanding of OIDC/JWT flows, token refresh/rotation, and WebSocket authentication.. . Role-based feature gating (read-only vs trading permissio. . . . . Testing, quality, and reliability. . . Unit tests for critical transforms/parsers (e.g., Playwright/Vitest for E2E/interaction flows). . Experience with feature flags, staged rollouts, and monitoring with Sentry/OpenTelemetry.. . . . . Nice-to-haves. . . Experience with desktop-class layouts (drag-to-dock panels, resizable grids).. . Exposure to WASM for heavy computations (e.g., indicator calculations).. . Familiarity with FIX/crypto venue nuances (tick sizes, lot sizes, trading sessions).. . . . . . Role Details. . . Type:. Full-Time. . Location:. Remote. . Engagement:. Ongoing collaboration with a small, fast-moving development team. . Compensation:. Competitive; based on experience. . . To apply:. . https://weworkremotely.com/remote-jobs/horizon-asset-investments-front-end-developer-full-time-remote.