Sr Front-End Engineer (React/Web)

Sr Front-End Engineer (React/Web) Engineer - C2

C New Jersey Visa:

H1-B Only Role summary Lead the design and development ofmodern, high-performance web experiencesusing React and the broader front-end ecosystem. This role is front-end focused, partnering closely with Product, UX, and backend/platform teams to delivercutting-edge UI capabilitiesand set engineering standards. Job responsibilities Lead development of complex, user-facing web applications usingReact + TypeScript, owning the front-end architecture and delivery approach. Partner with UX/Product to translate designs into polished experiences; influence requirements with feasibility, performance, and accessibility considerations.

Establish and evolve front-end standards:

component architecture, state management, routing, code conventions, and testing practices.

Build using EXDS UI foundations:

design system / component library, theming, responsive layouts, and cross-browser compatibility.

Drive performance and quality:

Core Web Vitals, bundle optimization, rendering strategies, caching, and runtime observability. Implement advanced UI capabilities such as rich data visualization, real-time updates, offline-friendly patterns, and robust form/workflow experiences.

Ensure secure client-side patterns:

safe auth flows, token handling guidance, secure storage, and protection against common web vulnerabilities. Collaborate with backend teams on API contracts (GraphQL/REST) and advocate for front-end friendly patterns (pagination, filtering, error models). Required qualifications, capabilities, and skills 8+ yearsprofessional software engineering experience with significant depth in front-end web development; experience leading projects and mentoring engineers. Expert-levelReactproficiency (hooks, component composition, context, rendering behavior, concurrency-related patterns where applicable). StrongTypeScriptskills (types-as-design, generics, strictness strategies) and modern JavaScript fundamentals. Deep experience with modern front-end tooling:

Vite/Webpack, Babel/SWC, npm/pnpm/yarn, monorepos (optional), and build/release pipelines.

Strong CSS skills:

responsive design, CSS architecture (CSS Modules, CSS-in-JS, or utility frameworks), theming, and consistent styling at scale.

Advanced testing practices:

Jest/Vitest, React Testing Library, Playwright/Cypress for E2E; test strategy ownership.

Accessibility expertise:

WCAG/ARIA, keyboard navigation, screen-reader considerations, and automated + manual a11y testing.

Performance engineering:

profiling, bundle splitting, SSR/CSR trade-offs, caching strategies, and Core Web Vitals optimization. API integration expertise withGraphQL and REST(schema-driven development, error handling, pagination, caching, and client state strategies).

Security awareness for web apps:

XSS/CSRF

prevention, dependency hygiene, secure auth/session patterns (OIDC awareness a plus).

Observability for the front end:

client-side logging/metrics, error reporting, and debugging production issues.

MUST:

Proficiency using AI-assisted engineering tools (e.g.,Claude Code, GitHub Copilot) to accelerate implementation, refactoring, test creation, and debugging-while validating correctness and adhering to secure handling practices. Preferred qualifications Experience with SSR/meta frameworks:

Next.js / Remixand SEO considerations. Experience leveraging adesign system(Storybook, tokens). Experience with micro-frontend patterns and module federation (where relevant). Experience with visualization and rich

UI:

D3, Canvas/WebGL, advanced tables/grids, animation libraries. Familiarity with authentication integrations (OIDC/OAuth2) and enterprise SSO constraints. Proven track record modernizing legacy front ends and improving developer experience (DX).