Lead Front-End Architect, React & TypeScript

Long Finch Technologies; West Orange (NJ); On-site; USD 180,000 - 230,000; Full time

Job summary

Long Finch Technologies is seeking an experienced Front-End Engineer to lead the development of complex, user-facing web applications using React + TypeScript. You will own the front-end architecture and delivery approach, collaborating with UX and Product to translate designs into polished experiences.

The role demands 15+ years of software engineering, expert React, TypeScript, and strong performance, accessibility, and security practices.

Qualifications

• 15+ years of professional software engineering experience with front-end focus.
• Expert React with hooks, composition, and concurrency patterns.
• Strong TypeScript and modern JavaScript skills.
• Deep experience with front-end tooling and build pipelines.
• CSS architecture, theming and responsive design.
• Advanced testing and accessibility practices.
• Performance optimization and Core Web Vitals.
• GraphQL and REST API integration.
• Security-conscious for web applications.
• Observability and production debugging.

Responsibilities

• Lead front-end architecture and delivery of complex web apps.
• Collaborate with UX/Product to translate designs into polished experiences.
• Establish front-end standards, state management, routing and testing practices.
• Build using design system foundations and component libraries.
• Drive performance, caching and observability improvements.
• Implement advanced UI features like real-time updates and rich visuals.
• Ensure secure client-side patterns and auth patterns.
• Collaborate with backend on GraphQL/REST contracts and patterns.

Skills

15+ years experience

React proficiency

TypeScript skills

Front-end tooling

CSS architecture

Testing practices

Accessibility

Performance optimization

GraphQL REST APIs

Security awareness

AI-assisted tools

Tools

Vite/Webpack

Jest/Vitest

Playwright/Cypress

Storybook

Job description

Long Finch Technologies is seeking an experienced Front-End Engineer to lead the development of complex, user-facing web applications using React + TypeScript. You will own the front-end architecture and delivery approach, collaborating with UX and Product to translate designs into polished experiences.

The role demands 15+ years of software engineering, expert React, TypeScript, and strong performance, accessibility, and security practices.