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Founding Front-End Software Engineer (Senior/Staff) - VC Backed Startups

SignalFire

Salary not specified
Nov 4, 2025
Remote, US
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SignalFire is looking to connect exceptional Founding Front-End Engineers with early-stage, VC-backed startups that are building and scaling user-centric applications.

Requirements

  • 3+ years of experience in front-end development, with a strong track record of shipping user-facing products
  • Expertise in modern JavaScript frameworks (React, Vue.js, Angular, Svelte)
  • Strong proficiency in HTML, CSS, TypeScript, and JavaScript (ES6+)
  • Experience integrating with RESTful APIs, GraphQL, and WebSockets
  • Knowledge of state management libraries (Redux, Zustand, Recoil, Vuex)
  • Familiarity with server-side rendering (Next.js, Nuxt.js) and static site generation
  • Strong understanding of web performance optimization, accessibility (a11y), and security best practices

Responsibilities

  • Design and develop scalable, high-performance front-end applications
  • Build intuitive, responsive, and visually engaging UI/UX experiences
  • Optimize front-end performance, accessibility, and responsiveness
  • Develop component libraries and reusable front-end architecture for scalable applications
  • Implement and maintain state management, API integrations, and client-side logic
  • Define best practices for front-end development, code quality, and UI testing

Other

  • Passionate about building exceptional user experiences and modern web applications
  • Excited about joining early-stage startups and working directly with founders
  • Interested in shaping front-end architecture, performance, and design systems
  • Experience working in early-stage startup environments or small, fast-moving teams is a plus