Senior POS Developer - Ireland based

Job description

Overview Expleo is seeking a Senior Android Payments Developer to lead the development of card acceptance applications on POS devices and play a key role in a legacy modernisation programme. You will design and implement secure, high-performance Android software for payment terminals (including PAX devices), collaborate with QA, product and programme teams, and drive payment certification with major card schemes. This is a relocation opportunity for anyone open to relocating to Ireland and is fully onsite in Nenagh, Co. Tipperary. Responsibilities: - Android POS Development - Design and implement Android applications for POS terminals, delivering clean, maintainable Java/Kotlin code for embedded Android/AOSP-based devices. - Integrate with POS hardware: implement and validate drivers and SDK integrations for card readers, PIN pads, NFC/contactless, EMV readers, printers and peripherals (experience with PAX SDKs expected). - Implement payment flows: authorisation, settlement, reversal and offline-capable flows; ensure correct handling of EMV, contactless and magnetic stripe scenarios. - Certification & Compliance - Prepare artefacts, run test suites and coordinate payment certificat...