Lead Front-End Engineer: Design Systems & Performance

Jobtailor; New York (NY); On-site; USD 140,000 - 190,000; Full time

Job summary

Jobtailor is seeking a seasoned front-end engineer to design and build scalable user interfaces in a fast-growing startup. You will collaborate with product, design and backend teams to deliver high-quality web applications, implement design systems, and mentor juniors while advancing performance and accessibility standards.

You will own front-end architecture decisions, drive automated testing, and contribute to CI/CD pipelines, ensuring robust, accessible experiences for users in a high-growth

Qualifications

• 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.

Responsibilities

• 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.

Skills

Front-End Development

Modern JavaScript Frameworks

Web Performance Optimization

API Integration

Technical Leadership

Tools

Git

CI/CD

Jest

Cypress

Playwright

Redux

Zustand

Recoil

Vuex

Next.js

Nuxt.js

GraphQL

RESTful APIs

Job description

Jobtailor is seeking a seasoned front-end engineer to design and build scalable user interfaces in a fast-growing startup. You will collaborate with product, design and backend teams to deliver high-quality web applications, implement design systems, and mentor juniors while advancing performance and accessibility standards.

You will own front-end architecture decisions, drive automated testing, and contribute to CI/CD pipelines, ensuring robust, accessible experiences for users in a high-growth