# Senior Front-end Engineer - Company: [Shuttlelabs]() - Location: Remote - Team: Engineering - Employment type: Full Time - Salary: $125K – $210K - Posted: January 16, 2026 ## Job description ## Responsibilities * Own the front-end architecture of a high-throughput, real-time trading application. * Design, build, and maintain **production-grade** applications using **Next.js, React, and TypeScript**. * Implement pixel-accurate, accessible, and responsive UI systems under strict performance budgets. * Lead complex feature development end-to-end, from technical design to production rollout. * Optimize rendering paths, state management, data flow, and bundle size for sub-second interactions. * Integrate deeply with REST and WebSocket APIs powering live market data and execution flows. * Collaborate tightly with product, design, and backend engineers on advanced trading workflows. * Set and uphold engineering standards around code quality, testing, performance, and maintainability. * Mentor other engineers and raise the bar for front-end execution across the team. * Contribute across the stack when needed (API design, data models, infra tradeoffs). ## Requirements * **6+ years** of professional front-end engineering experience, with clear ownership of complex production systems. * Expert-level mastery of **React, Next.js, and TypeScript** in high-performance environments. * Deep understanding of front-end architecture, rendering behavior, and performance optimization. * Proven experience with real-time data systems (WebSockets, streaming updates, event-driven UI). * Strong instincts around state management, data consistency, and UI correctness under load. * Comfort reasoning about backend systems (Node.js, databases, cloud infrastructure); hands-on experience is a plus. * Track record of shipping and maintaining features that operate at scale. * Ability to make high-leverage technical decisions independently. ## Non-Negotiable * **Speed** — in execution, iteration, and UI responsiveness. * Obsession with performance, not just aesthetics. * High ownership, low ego, zero tolerance for sloppy systems. ## Preferred * Prior experience in fintech, trading platforms, or other latency-sensitive products. * Open-source contributions or technically substantial side projects. * Comfort operating in fast-moving, high-accountability startup environments. ## Apply [Apply on Shuttlelabs]() Canonical job page: