Staff Front-End Software Engineer

Jobtailor

California (MO)

On-site

USD 120,000 - 170,000

Full time

14 days+

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Job summary

Jobtailor is seeking a seasoned front-end engineer to design and develop scalable, high-performance web applications in a fast-growing environment. You will drive architecture decisions and collaborate across product, design, and backend teams to ship robust UI systems.

As a leader in front-end development, you will mentor juniors, optimize performance and accessibility, and contribute to state-of-the-art testing, CI/CD, and SSR workflows.

Qualifications

5+ years of experience in front-end development.
Strong proficiency in HTML, CSS, TypeScript, and JavaScript (ES6+).
Experience with React, Vue.js, Angular, or Svelte.
Experience integrating RESTful APIs, GraphQL, and WebSockets.
Knowledge of state management libraries: Redux, Zustand, Recoil, Vuex, or MobX.
Familiarity with SSR using Next.js or Nuxt.js.
Web accessibility and security best practices.
Git, CI/CD, and front-end testing (Jest, Cypress, Playwright).
Experience working in early-stage startups or high-growth environments.

Responsibilities

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.

Skills

Front-End Development

Modern JavaScript Frameworks

Web Performance Optimization

API Integration

Technical Leadership

Tools

Git

CI/CD

Jest

Cypress

Playwright

Next.js

Nuxt.js

Redux

Zustand

Recoil

Job description

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

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

Core Competencies

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.

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