Senior Front-End Architect: React/TypeScript Lead (Onsite)

Pinnaclearc; Jersey City, Northern (NJ, KY); On-site; USD 120,000 - 180,000; Full time

Job summary

Pinnaclearc is seeking a senior frontend engineer to design and build modern web experiences using React and TypeScript, with a solid backend focus on Java Spring microservices. You will own front-end architecture, collaborate with UX and product teams, and establish coding standards for scalable UI systems.

Responsibilities include implementing API contracts, optimizing performance, and ensuring accessibility and security across the product. Onsite in Jersey City, local candidates preferred.

Qualifications

• Must lead development of complex, user-facing web applications using React + TypeScript, owning the front-end architecture and delivery approach.
• Strong Java and Java Spring skills to develop microservices / API contracts (GraphQL/REST) using Java and Spring technologies.
• Deep experience with modern front-end tooling including Vite/Webpack, Babel/SWC, npm/pnpm/yarn, monorepos, and build/release pipelines.
• Strong CSS skills for responsive design and scalable theming.
• Advanced testing practices with Jest/Vitest and React Testing Library.
• Accessibility expertise following WCAG/ARIA guidelines.
• Performance engineering including Core Web Vitals and bundle optimization.
• API integration with GraphQL and REST, including client state strategies.
• Security awareness for web apps including XSS/CSRF and secure auth patterns.
• Observability for front-end: client-side logging/metrics and error reporting.
• Must use AI-assisted engineering tools to accelerate implementation while ensuring correctness.

Responsibilities

• Lead development of complex, user-facing web applications using React + TypeScript, owning the front-end architecture and delivery approach.
• Develop microservices / API contracts (GraphQL/REST) using Java and Spring technologies with front-end friendly design patterns.
• Partner with UX/Product to translate designs into polished experiences, considering feasibility, performance, and accessibility.
• Establish and evolve front-end standards: component architecture, state management, routing, code conventions, and testing practices.
• Drive performance and quality: Core Web Vitals, bundle optimization, rendering strategies, caching, and runtime observability.
• Implement advanced UI features such as rich data visualization, real-time updates, offline patterns, and robust forms/workflow experiences.
• Ensure secure client-side patterns: safe auth flows, token handling guidance, secure storage, and protection against common web vulnerabilities.

Skills

React

TypeScript

Java

Spring

Microservices

GraphQL/REST

Front-end Architecture

Performance optimization

Security patterns

Testing (Jest/Vitest)

Accessibility WCAG

Observability

AI-assisted tooling

Tools

Vite/Webpack

Babel/SWC

npm/pnpm/yarn

Storybook

Monorepos

Job description

Pinnaclearc is seeking a senior frontend engineer to design and build modern web experiences using React and TypeScript, with a solid backend focus on Java Spring microservices. You will own front-end architecture, collaborate with UX and product teams, and establish coding standards for scalable UI systems.

Responsibilities include implementing API contracts, optimizing performance, and ensuring accessibility and security across the product. Onsite in Jersey City, local candidates preferred.