{"schemaVersion":"jobsearcher.job.v1","id":"406e4bb0e71f09d2f20ec8e6","url":"https://jobsearcher.com/jobs/406e4bb0e71f09d2f20ec8e6","canonicalUrl":"https://jobsearcher.com/jobs/406e4bb0e71f09d2f20ec8e6","title":"Lead Front-End Engineer (React/Web)","description":"Required Skills: \r \r 10+ years professional software engineering experience with significant depth in front-end web development; experience leading projects and mentoring engineers. \r Expert-level React proficiency (hooks, component composition, context, rendering behavior, concurrency-related patterns where applicable). \r Strong TypeScript skills (types-as-design, generics, strictness strategies) and modern JavaScript fundamentals. \r Deep experience with modern front-end tooling: Vite/Webpack , Babel/SWC, npm/pnpm/yarn, monorepos (optional), and build/release pipelines. \r Strong CSS skills: responsive design, CSS architecture (CSS Modules, CSS-in-JS, or utility frameworks), theming, and consistent styling at scale. \r Advanced testing practices: Jest/Vitest , React Testing Library, Playwright/Cypress for E2E; test strategy ownership. \r Accessibility expertise: WCAG/ARIA , keyboard navigation, screen-reader considerations, and automated + manual a11y testing. \r Performance engineering: profiling, bundle splitting, SSR/CSR trade-offs, caching strategies, and Core Web Vitals optimization. \r API integration expertise with GraphQL and REST (schema-driven development, error handling, pagination, caching, and client state strategies). \r Security awareness for web apps: XSS/CSRF prevention, dependency hygiene, secure auth/session patterns (OIDC awareness a plus). \r Observability for the front end: client-side logging/metrics, error reporting, and debugging production issues. \r 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. \r \r \r Preferred qualifications \r \r Experience with SSR/meta frameworks: Next.js / Remix and SEO considerations. \r Experience leveraging a design system (Storybook, tokens). \r Experience with micro-frontend patterns and module federation (where relevant). \r Experience with visualization and rich UI: D3, Canvas/WebGL, advanced tables/grids, animation libraries. \r Familiarity with authentication integrations (OIDC/OAuth2) and enterprise SSO constraints. \r Proven track record modernizing legacy front ends and improving developer experience (DX). \r \r Job responsibilities \r \r Lead development of complex, user-facing web applications using React + TypeScript , owning the front-end architecture and delivery approach. \r Partner with UX/Product to translate designs into polished experiences; influence requirements with feasibility, performance, and accessibility considerations. \r Establish and evolve front-end standards: component architecture, state management, routing, code conventions, and testing practices. \r Build using JPMC’s EXDS UI foundations: design system / component library , theming, responsive layouts, and cross-browser compatibility. \r Drive performance and quality: Core Web Vitals, bundle optimization, rendering strategies, caching, and runtime observability. \r Implement advanced UI capabilities such as rich data visualization, real-time updates, offline-friendly patterns, and robust form/workflow experiences. \r Ensure secure client-side patterns: safe auth flows, token handling guidance, secure storage, and protection against common web vulnerabilities. \r Collaborate with backend teams on API contracts (GraphQL/REST ) and advocate for front-end friendly patterns (pagination, filtering, error models).","company":"Long Finch Technologies","rawCompany":"long finch technologies","city":"Carmel","state":"NY","isRemote":false,"isActive":false,"createdAt":"2026-08-07T23:11:21.775Z","occupations":[{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1255.00","title":"Web and Digital Interface Designers","slug":"web-and-digital-interface-designers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Lead Front-End Engineer (React/Web)","description":"Required Skills: \r \r 10+ years professional software engineering experience with significant depth in front-end web development; experience leading projects and mentoring engineers. \r Expert-level React proficiency (hooks, component composition, context, rendering behavior, concurrency-related patterns where applicable). \r Strong TypeScript skills (types-as-design, generics, strictness strategies) and modern JavaScript fundamentals. \r Deep experience with modern front-end tooling: Vite/Webpack , Babel/SWC, npm/pnpm/yarn, monorepos (optional), and build/release pipelines. \r Strong CSS skills: responsive design, CSS architecture (CSS Modules, CSS-in-JS, or utility frameworks), theming, and consistent styling at scale. \r Advanced testing practices: Jest/Vitest , React Testing Library, Playwright/Cypress for E2E; test strategy ownership. \r Accessibility expertise: WCAG/ARIA , keyboard navigation, screen-reader considerations, and automated + manual a11y testing. \r Performance engineering: profiling, bundle splitting, SSR/CSR trade-offs, caching strategies, and Core Web Vitals optimization. \r API integration expertise with GraphQL and REST (schema-driven development, error handling, pagination, caching, and client state strategies). \r Security awareness for web apps: XSS/CSRF prevention, dependency hygiene, secure auth/session patterns (OIDC awareness a plus). \r Observability for the front end: client-side logging/metrics, error reporting, and debugging production issues. \r 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. \r \r \r Preferred qualifications \r \r Experience with SSR/meta frameworks: Next.js / Remix and SEO considerations. \r Experience leveraging a design system (Storybook, tokens). \r Experience with micro-frontend patterns and module federation (where relevant). \r Experience with visualization and rich UI: D3, Canvas/WebGL, advanced tables/grids, animation libraries. \r Familiarity with authentication integrations (OIDC/OAuth2) and enterprise SSO constraints. \r Proven track record modernizing legacy front ends and improving developer experience (DX). \r \r Job responsibilities \r \r Lead development of complex, user-facing web applications using React + TypeScript , owning the front-end architecture and delivery approach. \r Partner with UX/Product to translate designs into polished experiences; influence requirements with feasibility, performance, and accessibility considerations. \r Establish and evolve front-end standards: component architecture, state management, routing, code conventions, and testing practices. \r Build using JPMC’s EXDS UI foundations: design system / component library , theming, responsive layouts, and cross-browser compatibility. \r Drive performance and quality: Core Web Vitals, bundle optimization, rendering strategies, caching, and runtime observability. \r Implement advanced UI capabilities such as rich data visualization, real-time updates, offline-friendly patterns, and robust form/workflow experiences. \r Ensure secure client-side patterns: safe auth flows, token handling guidance, secure storage, and protection against common web vulnerabilities. \r Collaborate with backend teams on API contracts (GraphQL/REST ) and advocate for front-end friendly patterns (pagination, filtering, error models).","datePosted":"2026-08-07T23:11:21.775Z","dateModified":"2026-08-07T23:11:21.775Z","hiringOrganization":{"@type":"Organization","name":"Long Finch Technologies","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Carmel","addressRegion":"NY","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"406e4bb0e71f09d2f20ec8e6"},"url":"https://jobsearcher.com/jobs/406e4bb0e71f09d2f20ec8e6"}}