Senior Front-End Architect: React + TypeScript Lead

Long Finch Technologies; Rahway (NJ); On-site; USD 180,000 - 240,000; Full time

Job summary

Long Finch Technologies in Rahway, NJ, is seeking a senior front-end engineer to lead complex, user-facing web applications built with React and TypeScript. You will own the front-end architecture and delivery approach, collaborate with UX/Product, and mentor engineers to raise the team's technical bar.

The role emphasizes performance, accessibility, secure client-side patterns, and modern tooling across the stack, including Vite/Webpack, Jest/Vitest, and GraphQL/REST integrations.

Qualifications

• 15+ years of professional software engineering with leadership experience.
• Expert-level React proficiency and strong TypeScript skills.
• Deep experience with modern front-end tooling and pipelines.
• Advanced testing, accessibility, and performance practices.

Responsibilities

• Lead development of complex, user-facing web apps using React + TypeScript.
• Own the front-end architecture and delivery approach.
• Partner with UX/Product to translate designs into polished experiences.
• Establish and evolve front-end standards, testing, and accessibility.

Skills

React

TypeScript

JavaScript

Front-end architecture

Mentoring engineers

Performance optimization

Accessibility

Security awareness

Tools

Vite/Webpack

Babel/SWC

npm/pnpm/yarn

Monorepos

Jest/Vitest

Playwright/Cypress

GraphQL/REST

Job description

Long Finch Technologies in Rahway, NJ, is seeking a senior front-end engineer to lead complex, user-facing web applications built with React and TypeScript. You will own the front-end architecture and delivery approach, collaborate with UX/Product, and mentor engineers to raise the team's technical bar.

The role emphasizes performance, accessibility, secure client-side patterns, and modern tooling across the stack, including Vite/Webpack, Jest/Vitest, and GraphQL/REST integrations.