Senior Front-End Engineer: UI Architecture & Performance

Jobtailor; California (MO); On-site; USD 120,000 - 170,000; Full time

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

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.