Senior Front-end Engineer

Posted Yesterday
Hiring Remotely in USA
Remote
125K-210K Annually
Senior level
Blockchain • Fintech • Cryptocurrency • Web3
The Role
Own and evolve the front-end architecture for a high-throughput, real-time trading app using Next.js, React, and TypeScript. Build pixel-accurate, accessible, responsive UIs under strict performance budgets; optimize rendering, state management, data flow, and bundle size for sub-second interactions. Integrate with REST and WebSocket APIs, lead end-to-end feature development, set engineering standards, mentor engineers, and contribute across the stack when needed.
Summary Generated by Built In
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.

Skills Required

  • 6+ years of professional front-end engineering experience with 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).
  • Track record of shipping and maintaining features that operate at scale.
  • Ability to make high-leverage technical decisions independently.
  • Speed in execution, iteration, and UI responsiveness (non-negotiable).
  • Obsession with performance, high ownership, low ego, and intolerance for sloppy systems (non-negotiable).
  • Experience mentoring or leading other engineers.
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The Company
0 Employees

What We Do

Shuttle Labs, Inc. is a software development company and digital product studio focused on the digital asset space. The company contributes to Genius, a self-custodial trading exchange that allows users to buy any token on any chain without bridges in under five seconds. It employs a messaging and liquidity orchestration layer utilizing multi-party computation (MPC) and programmable key pairs to ensure secure cross-chain operations.

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