via Ashby
$85K - 130K a year
Design and develop scalable, high-performance front-end applications collaborating with cross-functional teams to build intuitive UI/UX experiences.
3+ years front-end development experience with proficiency in modern JavaScript frameworks, TypeScript, and web performance optimization.
Join SignalFire’s Talent Network for Founding Front-End Engineer Roles at VC-Backed Startups 🛑 This is not an application for a specific job. Instead, this is a way to get on the radar of VC-backed startups that are actively hiring Engineering talent. If you have any questions, please direct inquiries to talentnetwork@signalfire.com. At SignalFire, we partner with top early-stage startups that are shaping the future of technology. Our portfolio spans 200+ innovative companies across AI, cybersecurity, healthtech, fintech, developer tools, and enterprise SaaS. We’re looking to connect with exceptional Founding Front-End Engineers who are excited about building and scaling user-centric applications at early-stage startups. By joining SignalFire’s Talent Network, your profile will be shared with our portfolio companies, giving you visibility into exclusive early-stage opportunities that may not be publicly listed. Who Should Join? We’re looking for engineers who are: ✔ 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 Typical Roles & 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 Collaborate with product designers, backend engineers, and founders to align on vision and execution 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 Common Qualifications While each startup has its own hiring criteria, many founding front-end engineering roles in our network look for: 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 Proficiency with version control (Git), CI/CD workflows, and front-end testing frameworks (Jest, Cypress, Playwright) Experience working in early-stage startup environments or small, fast-moving teams is a plus 💡 Technologies You Might Work With: Languages & Frameworks: JavaScript (ES6+), TypeScript, React, Vue.js, Angular, Svelte, Next.js, Nuxt.js Styling & UI: CSS, SCSS, Tailwind CSS, Styled Components, Material UI, Chakra UI State Management: Redux, Zustand, Recoil, Vuex, MobX APIs & Data Handling: REST APIs, GraphQL, WebSockets, Firebase, Apollo Client Tooling & Performance: Vite, Webpack, Babel, ESLint, Prettier, Lighthouse Testing & Deployment: Jest, Cypress, Playwright, Storybook, GitHub Actions, Netlify, Vercel Cloud & DevOps: AWS Amplify, Firebase, GCP, Docker, Kubernetes What Happens Next? Submit your application to join SignalFire’s Talent Ecosystem. We review applications on an ongoing basis to identify strong candidates. If there’s a match, a SignalFire talent partner or a leader from one of our startups may reach out directly. No match yet? We’ll keep your profile on file for future front-end engineering roles in our portfolio.
This job posting was last updated on 8/5/2026