Senior Android Developer

Our client is seeking a highly experienced Senior Android Developer to take technical ownership of payment-device software within a specialist Device & Client Squad. This is a hardware-focused Android role requiring proven experience developing and certifying software on physical payment devices. The successful candidate will work on-site in Moreleta Park, Pretoria, where access to payment hardware is essential.

Key Responsibilities

• Develop and maintain Android payment-device software supporting card acceptance, NFC/tap, PIN pad integration and receipt printing.
• Lead SoftPOS development in line with PCI MPoC or CPoC requirements.
• Integrate USB serial, NFC, barcode scanners and printers.
• Implement secure element, Android Keystore and TrustZone-based security measures.
• Own Visa CPA and Mastercard TQM certification processes, including submissions, defect remediation and resubmissions.
• Ensure compliance with PCI PTS and PCI-SSF requirements and provide technical evidence for audits.
• Perform root-cause analysis on certification failures and implement process improvements.
• Maintain comprehensive device-software documentation, module registers and technical runbooks.
• Provide mentorship, code reviews and structured knowledge transfer to the Mid-level Android Developer.
• Support architecture documentation and succession planning to reduce technical dependency.

Minimum Requirements

• NQF 6 Diploma or NQF 7 Degree in IT, Computer Science, Software Engineering or a related field; extensive relevant payment-device experience may be considered in lieu of a formal qualification.
• 6+ years' professional Android development experience using Kotlin and Java.
• 3+ years' experience integrating payment hardware such as Urovo, PAX, Ingenico, Sunmi or equivalent devices at SDK level.
• 2+ years' experience with EMV Level 2 contact and/or contactless payment development or integration.
• Experience completing at least one Visa CPA or Mastercard TQM certification cycle, including failure resolution and resubmission.
• Practical knowledge of PCI PTS and PCI-SSF requirements.
• Production experience implementing secure element, Android Keystore or TrustZone-based security.
• Strong understanding of Android lifecycle, services, permissions and payment-interruption considerations.
• Proven ability to work directly with physical payment hardware, Android Studio, ADB and Git.
• Excellent communication, documentation and mentoring skills.

Advantageous

• SoftPOS experience and knowledge of PCI MPoC or CPoC.
• Knowledge of EMVCo QR standards.
• Familiarity with ISO 14443 and EMV Contactless specifications.
• Awareness of DebiCheck and Registered Mandates.
• Relevant Android certification or equivalent.

Only shortlisted candidates will be contacted.

Submit your CV to Sign in to view email or call 031 350 4018.

Visit our website for more exciting career opportunities: https://tumaini.co/

Correspondence will only be conducted with short listed candidates. Should you not hear from us within 14 days, please consider your application unsuccessful.