Ui/Ux Designer – Ai-Powered Applications

Neshent Technologies; Paramus (NJ); On-site; USD 180,000 - 240,000; Full time

Job summary

Neshent Technologies is seeking a senior frontend engineer to lead complex, user-facing web applications built with React and TypeScript. You will own frontend architecture, collaborate with UX and product teams, and drive performance, accessibility, and security across the stack.

You will implement advanced UI features, work with a design system, and ensure robust testing and cross-browser compatibility in a fast-paced environment.

Qualifications

• 15+ years of professional software engineering in frontend web development with leadership experience.
• Expert-level React proficiency (hooks, composition, context, rendering behavior).
• Strong TypeScript skills (types-as-design, generics, strictness).
• Deep experience with modern frontend tooling (Vite/Webpack, Babel/SWC, npm/pnpm/yarn).
• Strong CSS skills (responsive design, CSS Modules/JS-in-CSS, theming).
• Advanced testing practices (Jest/Vitest, RTL, Playwright/Cypress).
• Accessibility expertise (WCAG/ARIA, keyboard navigation, screen readers).
• Performance engineering (Core Web Vitals, bundling, caching).
• API integration expertise (GraphQL/REST, pagination, client state).
• Security awareness (XSS/CSRF, secure auth patterns).
• Observability for frontend (logging, error reporting).
• MUST: Proficiency with AI-assisted tools (Claude Code, GitHub Copilot).

Responsibilities

• Lead frontend development of complex web apps using React + TypeScript.
• Collaborate with UX/Product to translate designs; evaluate feasibility, performance, accessibility.
• Establish and evolve frontend standards: architecture, state, routing, testing.
• Build on design system foundations; ensure theming, responsiveness, cross-browser compatibility.
• Drive performance: Core Web Vitals, code-splitting, caching, observability.
• Implement advanced UI features like data visualization, real-time updates, offline support.
• Ensure secure client-side patterns and guidance on token handling.
• Work with backend teams on GraphQL/REST contracts and client patterns.

Skills

Front-end architecture

React proficiency

TypeScript

Modern tooling

CSS skills

Testing practices

Accessibility (a11y)

Performance optimization

API integration (GraphQL/REST)

Security awareness

Observability/logging

AI-assisted tooling

Tools

Vite/Webpack

Babel/SWC

npm/pnpm/yarn

Monorepos

Design system / component library

Storybook

D3/Canvas/WebGL

Job description

Required Skills:

• 15+ years professional 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-related patterns where applicable).
• Strong TypeScript skills (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 with GraphQL 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 / Remix and SEO considerations.
• Experience leveraging a design 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).

Job responsibilities

• Lead development of complex, user-facing web applications using React + 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 JPMC’s 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).