Engineer III – Front End

Jobtailor

New York (NY)

On-site

USD 140,000 - 180,000

Full time

14 days+

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Job summary

Jobtailor is seeking a senior frontend engineer to design, build, and scale a production-grade design system. You will create scalable web components, ensure high test coverage with Playwright, and bake accessibility and localization in from day one.

You will optimize performance, maintain design tokens, and guide architecture while mentoring engineers and collaborating with UX, product, and QA teams across time zones.

Qualifications

5+ years of professional frontend engineering experience.
2+ years building/designing systems at scale.
Bachelor's degree or equivalent practical experience in CS or related field.
Expert knowledge of HTML, CSS, JavaScript, Web Components, TypeScript, Node/NPM.
Experience with REST APIs and GraphQL.
Strong responsive design principles and testing coverage.
Experience with i18n and accessibility at scale.
Knowledge of monorepo tooling (Nx/Turborepo).
Proven ability to collaborate across time zones.

Responsibilities

Design, build, and scale our design system with production-grade web components.
Ensure near 100% test coverage using Playwright and modern testing frameworks.
Bake in accessibility, theming, and localization from ground up.
Optimize component performance and bundle size for production.
Maintain design tokens to stay in sync with Figma specs.
Review code and mentor engineers on design system best practices.
Lead architectural decisions for components and patterns.
Provide demos and documentation for components and usage.

Skills

Frontend Engineering Experience

Design System Development

Accessibility Best Practices

Playwright Testing

Localization / i18n

CSS-in-JS / Design Tokens

Web Components

TypeScript

Figma

Storybook

Monorepo (Nx / Turborepo)

Education

Bachelor's Degree in Computer Science

Tools

Figma

Storybook

Turborepo

Playwright

REST APIs

GraphQL

Job description

Design, build, and scale our design system by developing production-grade web components based on Figma specifications using the Lit framework, ensuring they meet enterprise-scale requirements
Achieve and maintain near 100% test coverage using Playwright and modern testing frameworks, ensuring robust, bug-free components
Bake in accessibility (a11y), comprehensive theming (including Dark/Light/High-Contrast modes), and localization/internationalization (i18n) from the ground up
Optimize component performance and bundle size for production environments
Maintain and extend design tokens (CSS variables) to ensure coded components remain in sync with Figma design specifications
Conduct thorough code reviews and provide constructive technical feedback to team members
Drive technical decision-making for component architecture and implementation patterns
Serve as a subject matter expert for engineering teams integrating with the design system
Collaborate with UX architects, product designers, and QA engineers to ensure components meet our design and engineering standards
Create and maintain comprehensive component documentation, including usage guidelines, API specifications, and integration examples
Proactively gather feedback from consuming teams and iterate on components to improve developer experience
Document patterns and best practices to enhance the overall developer experience
Provide short demos showcasing your work and new component capabilities
Implement and maintain CI/CD pipelines for automated testing and quality assurance
Participate in scrum ceremonies, team planning sessions, and roadmap reviews to ensure team alignment on short and long-term goals
Support multiple initiatives by providing essential UI components and UX patterns
Mentor junior engineers and provide technical guidance on design system best practices

Requirements

5+ years of professional frontend engineering experience
2+ years of experience building or contributing to design systems at scale
Bachelor's degree in Computer Science, related field, or equivalent practical experience
Expert knowledge of modern web standards and frontend engineering tools (HTML, CSS, JavaScript, Web Components, TypeScript, Node/NPM)
Hands‑on experience building user‑centric and scalable UI frameworks and design systems
Experience with REST APIs and GraphQL
Strong understanding of responsive design principles and implementation
Experience with Playwright or similar modern testing frameworks
Hands‑on experience with design tokens and CSS‑in‑JS solutions
Working knowledge of Figma or similar design tools
Proven experience utilizing AI technologies to enhance decision‑making, streamline workflows and processes, improve efficiency and drive business outcomes.
Deep experience with Accessibility (a11y) best practices, tools, and techniques including: Keyboard navigation compatibility, Screen reader support, WCAG 2.2 AA compliance
Proven experience with localization and internationalization (i18n) implementation
Track record of achieving and maintaining high test coverage standards
Knowledge of CI/CD best practices and tools for improving and maintaining performance and code quality
Experience with monorepo architectures and tooling (Nx, Turborepo, or similar)
Experience with design system governance, including establishing and enforcing component standards and patterns
Track record of shipping production‑grade design systems used by multiple teams
Experience with Storybook or similar component documentation tools
Proven ability to collaborate with UX architects, product designers, and engineering teams across multiple time zones
Strong facilitation skills for design and technical discussions
Excellent written and verbal communication skills, with ability to articulate technical concepts to both technical and non‑technical audiences
Comfortable presenting demos and technical documentation to a broad range of stakeholders
Advocate for UX consistency, accessibility, and empathy for the end user

Core Competencies

Demonstrates expertise in building and scaling design systems with a focus on accessibility, localization, and performance optimization. Proficient in modern web standards and frontend engineering tools, ensuring robust, user‑centric UI components that meet enterprise‑scale requirements.

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