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Android Tech Lead for mobile Payment Systems (m/f/d) General information Reference: 172120 Location: Limerick - 5 Days/Week - fully onsite Start: 17.03.2025 (ASAP) Volume: Full time (100%) Duration: 31.12.2025 + Option Languages: English Your Tasks Implementation : Contribute significantly to implementing technical solutions. Agile Delivery : Work within a defined agile delivery process, leading implementation from a development and engineering perspective. Application & Service Design : Design and implement Android applications and services providing best-in-class payment flow experiences. Integration : Implement and enhance interfaces with Back End payment processing systems using various protocols and data formats (eg, XML/SOAP, TCP, HTTP/S). Troubleshooting : Troubleshoot issues spanning across the software stack. Architectural Support : Support the architectural direction and solution specification for new applications and services. Execution : Responsible for the execution of complex development tasks, including unit tests, debugging, and programming. Validation : Conduct validation activities, including component tests, regression tests, and system integration tests. Monitoring & Documentation : Create monitoring and logging solutions for the enterprise production environment and document software architectures. Estimation & Coaching : Contribute to estimation efforts and coach less experienced engineers. Stakeholder Management : Partner with developers, analysts, tech leads, and senior managers to identify business needs and appropriate technical solutions. Your Skills Experience in designing and developing Android, web, and service-based applications . Extensive experience in Java and Java development , including object-oriented design and programming. Experience working at multiple levels in the stack: device operating system, secure/Embedded processor firmware, client (Android) applications, REST services, etc. Strong skills in Java/Kotlin/Android/C. Payments Industry Experience: Previous experience in the payments industry, specifically working with EMVCo, NEXO or exposure to PCI/PTS standards. Server Technologies: Experience with server technologies, REST web services, SOA; good understanding of the Android platform, experience with Android ROM is a plus. Interested? We look forward to receiving your application documents in electronic form. Your Contact: Tobias Gollmann