React Developer (ATM/POS/Kiosk Java XFS React)

Key Responsibilities:

Design and develop ATM/POS/Kiosk applications using Java-based backend services and React-based UI frameworks

Build and manage transaction workflows and state orchestration using XState

Integrate with ATM/POS/Kiosk hardware devices using XFS APIs via JDevice (Java 8)

Develop and maintain single-page applications (SPA) using React and TypeScript

Implement API integrations through Spring Boot-based orchestration layer (Concourse Server)

Configure and manage Spring Cloud Gateway for API routing, authentication, and proxying

Work with event-driven architectures using asynchronous Pub/Sub messaging systems

Enable offline capabilities and update mechanisms using Service Workers

Monitor system performance using OpenTelemetry (logs, metrics, traces)

Collaborate with QA, infrastructure, and hardware teams for end-to-end delivery

Ensure high availability, performance, and security of ATM/POS/Kiosk applications