Android Developer

JOB DESCRIPTION

Role : Senior Android Developer

Location : Dublin, Ireland

Work Mode: Onsite

Knowledge Skills:

· Strong hands-on Android development experience (Java and Kotlin) on embedded/AOSP variants used in POS devices.

· Proven experience with POS device SDKs and hardware integration—experience with PAX devices and SDKs highly desirable.

· Deep understanding of payment terminal flows, EMV transaction lifecycle, contactless/NFC processing and implications for application logic.

· Practical familiarity with payment scheme certification processes and requirements for Visa, Mastercard, American Express (preparing logs, test cases, remediation).

· Awareness of industry security standards: PCI (including PCI PTS) and EMV kernel behaviours; understanding of secure key management concepts and HSM interactions.

· Experience with automated testing and CI/CD for mobile/embedded applications: unit, integration, UI automation and device farm orchestration.

· Proficient with modern development toolchains: Android Studio, Gradle, Git; experience with Jenkins/GitLab CI/Azure DevOps or equivalent.

· Competence in debugging on physical devices, serial/USB/Bluetooth/NFC communications, and analysing logs and traces from constrained environments.

· Strong analytical skills, attention to detail and methodical approach to debugging and problem resolution.

· Effective verbal and written communication; able to prepare technical artefacts for certification, and present technical trade-offs to product and programme stakeholders.

· Experience working in regulated/financial environments (fintech, payments) and in large enterprise delivery contexts.