Staff Front-End Software Engineer

SignalFire

Staff front-end engineer joining SignalFire’s talent network for VC-backed startups. Designing scalable web applications and leading architecture, performance, testing, and mentoring efforts.

Posted 8/5/2026full-timeRemote • 🇺🇸 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

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

JavaScript (ES6+)HTMLCSSTypeScriptReactVue.jsAngularSvelteRESTful APIsGraphQL

Soft Skills

MentoringCollaborationCommunication

Tools & Technologies

GitCI/CD WorkflowsJestCypressPlaywrightNext.jsNuxt.jsReduxZustandRecoil

Industry Keywords

Web AccessibilityUser ExperienceHigh-Growth EnvironmentsEarly-Stage StartupsComponent Libraries

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 when there is a potential match

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 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 offered
Access to exclusive early-stage opportunities through SignalFire’s portfolio companies
Profile kept on file for future front-end engineering roles
Opportunity to work with VC-backed startups across AI, cybersecurity, healthtech, fintech, developer tools, and enterprise SaaS