We’re looking for an experienced E700 Engineer with deep hands-on experience working with Android-based POS terminals, ideally PAX E700. This role is responsible for supporting device-specific testing, integrating with hardware peripherals, and resolving any low-level issues encountered on the PAX platform as part of a React Native POS solution rollout.
Key Responsibilities: Configure, test, and troubleshoot the React Native app on PAX E700 hardware. Work with serial interfaces, cash drawer APIs, barcode scanner, printer modules, and EMV card readers. Support peripheral discovery, device provisioning, and connectivity validation (WiFi, Ethernet, Cellular). Reproduce and debug device-level issues across firmware versions. Validate fallback behavior to legacy TSYS POS. Collaborate with QA and development teams to support real-device usability testing and cer...