Senior Front-End Architect

Job Title: Sr Front-End Architect

Type: Contract | W2 or C2C

Location: Jersey City, NJ — 5 Days Onsite (RTTO)

Experience: 14+ years

Lead the design and development of modern, high-performance web experiences using React and the broader front-end ecosystem — 60% front-end (React + TypeScript), 40% backend (Java Spring). Owns front-end architecture end-to-end while also building microservices/API contracts to support UI capabilities. Built on JPMC's EXDS design system.

Must-Haves

• 14+ years of software engineering experience with significant depth in front-end web development; experience leading projects and mentoring engineers
• Expert-level React proficiency (hooks, component composition, context, rendering behavior, concurrency patterns)
• Strong TypeScript skills (types-as-design, generics, strictness strategies) and modern JavaScript fundamentals
• Strong Java and Java Spring skills for microservices/API contracts (GraphQL/REST) with front-end friendly design patterns (pagination, filtering, error models)
• Deep experience with modern front-end tooling: Vite/Webpack, Babel/SWC, npm/pnpm/yarn, monorepos (optional), build/release pipelines
• Strong CSS skills: responsive design, CSS architecture (CSS Modules, CSS-in-JS, or utility frameworks), theming, styling at scale
• Advanced testing: Jest/Vitest, React Testing Library, Playwright/Cypress for E2E; test strategy ownership
• Accessibility expertise: WCAG/ARIA, keyboard navigation, screen-reader considerations, automated + manual a11y testing
• Performance engineering: profiling, bundle splitting, SSR/CSR trade-offs, caching strategies, Core Web Vitals optimization
• API integration expertise: GraphQL and REST (schema-driven development, error handling, pagination, caching, client state strategies)
• Security awareness: XSS/CSRF prevention, dependency hygiene, secure auth/session patterns
• Front-end observability: client-side logging/metrics, error reporting, debugging production issues
• MUST: Proficiency using AI-assisted engineering tools (Claude Code, GitHub Copilot) to accelerate implementation, refactoring, test creation, and debugging

Nice-to-Haves

• SSR/meta frameworks: Next.js / Remix and SEO considerations
• Design system experience (Storybook, tokens)
• Micro-frontend patterns and module federation
• Visualization/rich UI: D3, Canvas/WebGL, advanced tables/grids, animation libraries
• Authentication integrations (OIDC/OAuth2) and enterprise SSO constraints
• Track record modernizing legacy front ends and improving developer experience (DX)