Android Developer (Payment, Agile)

About Us Live Payments is one of Australia's leading payment service providers, servicing thousands of businesses across Australia. We continue to innovate our payment solutions and expand our product offering alongside our industry leading strategic partners including Qantas Loyalty and Prospa. Role and ResponsibilitiesLive Payments is seeking an experienced Android Developer to join our growing/ multi-national team. Reporting directly to our Vietnam-based Team Leader, the Android Developer will work closely with development team to design and build mobile applications for our growing product portfolios. Core responsibilities include: Develop, maintain, and optimise Android-based payment applications for POS terminals.Implement secure card payment processing including EMV, NFC, and magstripe transactions.Work with Hardware Security Modules (HSM), DUKPT key management, and payment card encryption/decryption techniques.Integrate payment message protocols (e.g., ISO 8583, AS2805) to ensure seamless communication with payment switches/gateways.Integrate with back-end APIs, handling data securely (e.g., HTTPS, JWT tokens) and efficiently managing JSON payloads.Implement local secure storage for sensitive data on Android devices.Collaborate with hardware engineers for payment terminal peripherals (e.g., card readers, printers, scanners).Ensure compliance with PCI-DSS 3.x/4.x and Android secure coding practices.Support POS integration and troubleshooting for merchant environments.