UI/UX Developer – ReactJS + Java – Onsite in Berkeley Heights, NJ-mandatory face‑to‑face interview
Job Title: UI/UX Developer – ReactJS + JavaLocation: Berkeley Heights, NJ – Onsite-Local preferred here Contract Type: Contract (C2C/W2) Experience Level: 8 -10+ yearsJob DescriptionRole SummaryWe are seeking a UI/UX Developer with strong frontend engineering experience in ReactJS, Next.js, TypeScript, and Java, combined with expertise in accessibility, security, and AWS deployment. The role involves building reliable web applications that run inside iOS/Android webviews, ensuring ADA/WCAG compliance, and collaborating with cross‑platform teams to deliver secure, scalable solutions.Key ResponsibilitiesBuild and maintain React/Next.js components for iOS/Android webviewsEnsure ADA/WCAG 2.1 AA accessibility compliance (semantic markup, ARIA, screen‑reader compatibility, keyboard navigation)Author and maintain shell scripts for build/deployment; integrate with AWS CLI and CI/CD pipelinesCollaborate with iOS/Android engineers on webview bridges, intents, and native callbacksManage Redux state flows for secure token handling, session management, PCI complianceWrite unit/integration/e2e tests (Jest, React Testing Library) and instrument observability with DatadogOptimize performance for low‑power devices and constrained networksEnforce code quality with ESLint, Prettier, Husky, SonarQube, and CI checksMandatory Skills5-8+ years frontend engineering with React 18+, Next.js, TypeScriptDeep knowledge of Redux (thunks/sagas/observables)Practical experience with Apple Wallet/Google Wallet Passes or equivalent token provisioningProven ability to deliver WCAG 2.1 AA compliant applicationsProficiency in shell scripting (Bash/zsh), AWS CLI, CI/CD automationExperience with WebView‑based apps and native‑web interactionsStrong knowledge of secure token handling, CORS, CSRF, PCI complianceTesting expertise: Jest, React Testing Library, Docker basicsStyling: Material‑UI v4/v5, Emotion/Styled Components, responsive designNice‑to‑HaveFamiliarity with native iOS/Android developmentExperience generating/signing wallet passes, JWT workflows, HSM integrationsPrior fintech/payments domain experienceTechnical EnvironmentFrontend: React 18, Next.js, TypeScript, ReduxStyling: Material‑UI, Emotion/Styled ComponentsTesting: Jest, React Testing LibraryCI/Deployment: Docker, shell scripts, AWS CLI, GitHub Actions/Jenkins, SonarQubeMonitoring: Datadog