Senior Front-End Architect: React/TS & Microservices Lead

Pinnacle Arc LLC

Jersey City (NJ)

On-site

USD 180,000 - 240,000

Full time

6 hours ago
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Job summary

Pinnacle Arc LLC is seeking an experienced front-end focused engineer who will drive design and development of high-performance web experiences using React and TypeScript, with a 60/40 split toward front-end and back-end work. You will implement microservices contracts, build within a design system, and ensure accessibility, security, and performance.

You will partner with UX/Product, translate designs into polished interfaces, and establish front-end standards while leveraging advanced tooling

Qualifications

  • 14+ years professional software engineering experience with significant depth in front-end web development.
  • Expert-level React proficiency (hooks, context, rendering behavior).
  • Strong TypeScript skills with modern JavaScript fundamentals.
  • Strong Java and Spring skills to develop microservices / API contracts.
  • Deep experience with modern front-end tooling (Vite/Webpack, Babel/SWC).
  • Strong CSS skills for responsive design and theming.
  • Advanced testing practices (Jest/Vitest, RTL, Playwright/Cypress).
  • Security awareness for web apps (XSS/CSRF, secure patterns).
  • Observability for the frontend (logging/metrics, debugging production).
  • MUST: Proficiency with AI-assisted engineering tools to accelerate implementation.

Responsibilities

  • Lead development of complex, user-facing web applications using React + TypeScript and own front-end architecture.
  • Develop microservices / API contracts (GraphQL/REST) with Java and Spring.
  • Collaborate with UX/Product to translate designs into polished experiences, considering feasibility and performance.
  • Establish and evolve front-end standards: components, state management, routing, testing.
  • Build using EXDS UI foundations: design system, theming, responsive layouts, cross-browser compatibility.
  • Drive performance and quality: Core Web Vitals, bundle optimization, caching, observability.
  • Implement rich UI capabilities: data visualization, real-time updates, offline patterns, robust forms.
  • Ensure secure client-side patterns: safe auth flows, token handling, secure storage.

Skills

React + TypeScript
Java + Spring
GraphQL/REST
Front-end architecture
Performance optimization
Security in web apps
AI-assisted engineering tools
Accessibility

Tools

Vite/Webpack
Babel/SWC
npm/pnpm/yarn
Storybook / design system

Job description

Pinnacle Arc LLC is seeking an experienced front-end focused engineer who will drive design and development of high-performance web experiences using React and TypeScript, with a 60/40 split toward front-end and back-end work. You will implement microservices contracts, build within a design system, and ensure accessibility, security, and performance.

You will partner with UX/Product, translate designs into polished interfaces, and establish front-end standards while leveraging advanced tooling

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