Senior POS Developer

FRS Recruitment ·www.frsrecruitment.com

Location Nenagh, Tipperary, Ireland
Salary EUR 450 - 500 / month
Type Full time
Level Senior
Source Shazamme
Information Technology
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Responsibilities

  • Develop and maintain Android POS applications (Java/Kotlin) for embedded/AOSP devices, integrating with payment hardware (card readers, NFC, EMV, printers) using SDKs (e.g. PAX). Implement end-to-end payment flows (authorisation, settlement, reversal, offline) with full EMV/contactless support.
  • Lead certification and compliance activities (Visa, Mastercard, Amex), ensuring PCI/PTS and secure coding standards, and working with security/HSM teams on key management.
  • Modernise legacy payment systems into modular, secure architectures with minimal customer impact. Optimise performance, add telemetry, and support observability.
  • Build and maintain CI/CD pipelines, automated testing, and release processes. Collaborate across teams, review code, and support incident analysis and continuous improvement.

Qualifications & Skills

  • Degree in Computer Science or related field.
  • Strong analytical, debugging, and communication skills.

Experience

  • 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 highly desirable.
  • Deep understanding of payment terminal flows, EMV transaction lifecycle, contactless/NFC processing.
  • Familiarity with payment scheme certification processes (Visa, Mastercard, Amex).
  • Awareness of PCI DSS, PCI PTS and EMV kernel behaviours; understanding of secure key management and HSM interactions.
  • Experience with automated testing and CI/CD for mobile/embedded applications.
  • Proficient with modern toolchains: Android Studio, Gradle, Git; experience with Jenkins/GitLab CI/Azure DevOps.
  • Competence in debugging on physical devices, handling serial/USB/Bluetooth/NFC communications, and analysing logs from constrained environments.
  • Experience in the payments domain (e.g. Nexo Standards, EMVCo, PCI/PTS compliance) is highly desirable.

INDFRS1

Frequently asked questions

Who is hiring for the Senior POS Developer role?
FRS Recruitment is hiring for the Senior POS Developer position, a Shazamme client. Apply directly on the employer's career site.
Where is the Senior POS Developer job located?
The Senior POS Developer role with FRS Recruitment is based in Nenagh, IE.
What does the Senior POS Developer role pay?
FRS Recruitment lists the Senior POS Developer role at EUR 450–500 per month.
Is the Senior POS Developer role full-time or contract?
This is a full time position at FRS Recruitment.
What experience level is the Senior POS Developer role?
The Senior POS Developer position is aimed at senior-level candidates.
How do I apply for the Senior POS Developer role at FRS Recruitment?
Apply directly on FRS Recruitment's career page via the Apply button on this listing. ZammeJobs links straight through to the employer's ATS — no third-party form, no resume database.
Apply direct