Developer

Job Title : Developer.

Location Berkley Heights NJ

No of positions:3

Job Type : Contract

• Web App: Build and maintain React/ components that run reliably inside iOS and Android webviews.
• Accessibility (ADA/WCAG): Ensure product accessibility to meet ADA and WCAG 2.1 AA standards; implement semantic markup keyboard navigation focus management ARIA attributes screen-reader compatibility (VoiceOver/TalkBack) and automated/manual accessibility testing.
• Shell Scripting & AWS Deployment: Author and maintain shell scripts and CLI tooling for build deployment and operations (Bash/zsh). Integrate with AWS tooling and CI/CD pipelines to automate releases rollbacks and environment promotion.
• Cross-Platform Collaboration: Coordinate with iOS/Android engineers to maintain reliable webview bridges intents and native callbacks; deliver platform-specific UX while maximizing shared code.
• State & Security: Manage Redux state flows for payment/pass data ensure secure token handling session management and adherence to security/PCI considerations.
• Testing & Observability: Write unit/integration tests (Jest React Testing Library) e2e tests for wallet and widget flows and instrument critical paths with logging/monitoring (e.g. Datadog).
• Performance & UX: Optimize webview performance for low-power tablets and network-constrained environments; implement progressive enhancement and graceful degradation.
• Code Quality & Processes: Enforce best practices with ESLint Prettier Husky code reviews and SonarQube/CI checks.

Required Skills & Experience

• Experience: 5 years frontend engineering with strong TypeScript React (v18) experience.
• State Mgmt: Deep knowledge of Redux and side-effect handling (thunks/sagas/observables).
• Wallet Expertise: Practical experience with Apple Wallet and Google Wallet/Passes or equivalent token/pass provisioning.
• Accessibility: Proven ability to deliver accessible applications compliant with WCAG 2.1 AA; experience running VoiceOver/TalkBack and accessibility audit tools.
• Shell & AWS: Proficient in shell scripting (Bash/zsh) AWS CLI and common AWS services used in frontend delivery; experience automating deployments and troubleshooting CI/CD.
• Mobile WebView: Experience developing/debugging WebView-based apps and native-web interactions.
• Security & Compliance: Secure token handling CORS CSRF secure storage patterns and familiarity with fintech compliance basics.
• Testing & Tooling: Jest React Testing Library CI/CD familiarity Docker basics ESLint Prettier.
• Styling & UX: Material-UI (v4/v5) Emotion/Styled Components responsive and tablet-first design.

Nice-to-Have

• Native iOS/Android development familiarity.
• Experience generating/signing wallet passes JWT workflows or HSM integrations.
• Prior fintech or payments domain experience.

Technical Environment

Frontend: React 18 TypeScript Redux
Styling: Material-UI Emotion/Styled Components
Testing: Jest React Testing Library
CI/Deployment: Docker shell scripts AWS CLI CI providers (GitHub Actions/Jenkins/etc.) SonarQube
Monitoring: Datadog.