Staff Front-End Software Engineer

SignalFire

Staff front-end engineer joining SignalFire’s talent network for VC-backed startups. Leading scalable web application development, front-end architecture, performance, and UI/UX practices.

Posted 8/5/2026full-timeCalifornia • 🇺🇸 United StatesLead💰 $170,000 - $250,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in front-end development with a focus on modern JavaScript frameworks, web performance optimization, and user experience. Capable of leading technical initiatives, mentoring junior engineers, and implementing best practices in scalable application design.

Highest-signal resume keywords

Front-End DevelopmentModern JavaScript FrameworksWeb Performance OptimizationAPI IntegrationTechnical Leadership

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaScript (ES6+)HTMLCSSTypeScriptReactVue.jsAngularSvelteRESTful APIsGraphQL

Soft Skills

CollaborationMentoringCommunication

Tools & Technologies

GitCI/CDJestCypressPlaywrightNext.jsNuxt.jsReduxZustandRecoil

Industry Keywords

Web AccessibilityUser ExperienceHigh-Growth EnvironmentsStartupsComponent Libraries

Tech Stack

Tools & technologies

AngularCypressGraphQLJavaScriptJestMobXNext.jsNuxtReactReduxSvelteTypeScriptVue.js

About the role

Key responsibilities & impact

Design and develop scalable, high-performance front-end applications
Improve web performance, accessibility, and user experience
Collaborate with design, product, and backend teams to create seamless, intuitive UIs
Define and implement front-end architecture, component libraries, and design systems
Optimize state management, API integrations, and front-end workflows
Establish best practices for front-end development, testing, and CI/CD pipelines
Mentor and provide technical leadership to junior engineers
Join SignalFire’s Talent Network so the profile can be shared with portfolio companies
Potentially connect with VC-backed startups hiring engineering talent
Maintain the profile on file for future front-end engineering roles if no immediate match exists

Requirements

What you’ll need

5+ years of experience in front-end development
Strong track record of shipping high-quality web applications
Deep expertise in modern JavaScript frameworks, including React, Vue.js, Angular, or Svelte
Strong proficiency in HTML, CSS, TypeScript, and JavaScript (ES6+)
Experience integrating RESTful APIs, GraphQL, and WebSockets
Knowledge of state management libraries, including Redux, Zustand, Recoil, Vuex, or MobX
Familiarity with server-side rendering using Next.js or Nuxt.js and static site generation
Strong understanding of web performance optimization, accessibility (a11y), and security best practices
Proficiency with Git, CI/CD workflows, and front-end testing frameworks such as Jest, Cypress, or Playwright
Experience working in early-stage startups or high-growth environments

Benefits

Comp & perks

Equity offered
Exposure to exclusive early-stage opportunities at SignalFire portfolio companies
Profile kept on file for future front-end engineering roles
Potential direct outreach from SignalFire talent partners or portfolio-company leaders