HI
Urgent Hiring | 10 Years | Sr Front-End Engineer | Need good Clients experience
Han IT Staffing
- Location not stated
- Senior
- 8 hours ago
- React.js
- Java
- Microservices
- GraphQL
- Core Web Vitals
- Data Visualization
- TypeScript
- Vite
- Webpack
- Babel
- SWC
- npm
- pnpm
- Yarn
- Jest
- Vitest
- Testing Library
- Playwright
- Cypress
- WCAG
- XSS
- CSRF
- OIDC
- AI
- Claude Code
8 hours ago
Job Title:Sr Front-End Engineer Experience: 12+ Years Location: Wilmington, DE RTTO – 5 Days Onsite Please look profile from FAANG / High Tech & Fin Tech Companies. Look candidate from below Tier 1 companies.Sr Front-End Engineer Summary Lead the design and development of modern, high-performance web experiences using React and the broader front-end ecosystem.This role is front-end (React) 60% and backend (Java Spring) 40% focused skills to deliver cutting-edge UI & Microservices capabilities and set engineering standards.
- Meta
- Client
- Morgan Stanly
- Netflix
- Amazon
- Apple
Job responsibilities
- Lead development of complex, user-facing web applications usingReact, owning the front-end architecture and delivery approach.
- Develop microservices / API contracts (GraphQL/REST) using Java and Spring technologies and front-end friendly design patterns (pagination, filtering, error models).
- 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 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.
Required qualifications, capabilities, and skills
- 12+ years professional software engineering experience with significant depth in front-end web development; experience leading projects and mentoring engineers.
- Expert-levelReact proficiency (hooks, component composition, context, rendering behavior, concurrency-related patterns where applicable).
- StrongTypeScript skills (types-as-design, generics, strictness strategies) and modernJavaScript fundamentals.
- Strong Java and Java Spring skills to develop microservices / API contracts (GraphQL/REST) using Java and Spring technologies and 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), and build/release pipelines.
- 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.
Urgent Hiring | 10 Years | Sr Front-End Engineer | Need good Clients experience · Han IT Staffing