Staff Front-End Software Engineer

SignalFire

Staff Front-End Engineer connecting with SignalFire’s VC-backed startup portfolio. Leading scalable web application architecture, performance, UI/UX, and technical mentorship.

Posted 8/5/2026full-timeNew York City • New York • 🇺🇸 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. Proven ability to lead technical initiatives, mentor junior engineers, and implement 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/CDJestCypressPlaywrightReduxZustandRecoilVuexNext.js

Industry Keywords

Web AccessibilityHigh-Growth EnvironmentsEarly-Stage StartupsComponent LibrariesDesign Systems

Tech Stack

Tools & technologies

AngularCypressGraphQLJavaScriptJestMobXNext.jsNuxtReactReduxSvelteTypeScriptVue.js

About the role

Key responsibilities & impact

Design and develop scalable, high-performance front-end applications
Lead efforts to 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
Submit an application to join SignalFire’s Talent Ecosystem
SignalFire reviews applications on an ongoing basis and shares profiles with portfolio companies for potential matches
SignalFire or portfolio-company leaders may contact matched candidates
Profiles may be retained for future front-end engineering roles

Requirements

What you’ll need

5+ years of front-end development experience
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 such as Redux, Zustand, Recoil, Vuex, or MobX
Familiarity with server-side rendering and static site generation, including Next.js or Nuxt.js
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
Talent network access to exclusive early-stage opportunities
Profile shared with SignalFire portfolio companies
Potential recruiting outreach from SignalFire talent partners or startup leaders