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 usabilit...