We are seeking a skilled Android POS Application Developer to design, develop, integrate, test, deploy, and maintain payment applications for Payzeep.
The ideal candidate will have strong Android development skills, experience with electronic payment systems, and a solid understanding of POS terminal hardware, payment protocols, transaction processing, and payment security standards.
The successful candidate will work closely with product managers, backend engineers, payment processors, banks, and terminal vendors to deliver secure, reliable, and efficient POS applications for merchants and financial institutions.
KEY RESPONSIBILITIES
- Develop, maintain, and enhance Android applications for POS payment terminals.
- Build merchant-facing applications for sales transactions, reversals, transaction history, EOD e.t.c.
- Develop intuitive user interfaces optimized for POS terminal screens, touchscreens, keypads, printers, and other built-in peripherals.
- Integrate Android SDKs and device-specific APIs provided by OEMs, and other terminal manufacturers.
- Ensure application compatibility across different terminal models, Android versions, and hardware configurations..
- Integrate POS applications with payment gateways, acquiring banks, processors, and transaction switching platforms.
- Implement card payment workflows, including authorization, completion, cancellation, reversal, and refund where supported.
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- Integrate supported payment methods such as EMV chip-and-PIN, contactless/NFC, magnetic stripe where permitted, and other approved payment channels.
- Implement transaction request and response handling, timeouts, duplicate transaction prevention, and recovery from communication failures.
- Work with ISO 8583 messaging, REST APIs, or other payment integration protocols as required by the solution.
- Ensure accurate transaction status handling, receipt generation, and reconciliation.
- Integrate and troubleshoot POS hardware components, including: Thermal printers and receipt printing, Card readers and EMV Interfaces, Contactless/NFC Readers, PIN Pads and PIN-entry interfaces, Barcode scanners where applicable
- Device status, battery, connectivity, and system information APIs.
- Develop and maintain device abstraction layers to support multiple terminal manufacturers and models.
- Diagnose hardware-specific issues using vendor SDKs, documentation, logs, and debugging tools.
EDUCATIONAL QUALIFICATIONS
- Bachelor's degree in Computer Science, Engineering, or a related field (required).
EXPERIENCE REQUIREMENTS
Total Relevant Experience: 5–7 years
Fintech / Financial Services Experience: 4+ years supporting Application Development Experience for fintech, banking or transaction-processing systems preferred
SKILLS & COMPETENCIES
- Strong understanding of POS acquiring business models and payment ecosystem operations.
- Proven experience in merchant acquisition, agent network management, and business development.
- Excellent knowledge of payment switching, transaction processing, and terminal management.
- Proficiency in Microsoft Office Suite and business intelligence/reporting tools.
- Strong analytical and problem-solving skills.
- Excellent communication and documentation abilities.
- High attention to detail and commitment to operational excellence.
REGULATORY CONSIDERATIONS (NIGERIA)
- Ensure POS operations comply with applicable CBN regulations, guidelines, and circulars.
- Supports compliance with the Nigeria Data Protection Act (NDPA) and relevant data security requirements.
- Ensures adherence to AML/CFT, KYC, consumer protection, and fraud prevention requirements
EDUCATIONAL QUALIFICATIONS
- Bachelor's degree in Computer Science, Engineering, or a related field (required).
EXPERIENCE REQUIREMENTS
Total Relevant Experience: 5–8 years
Fintech / Financial Services Experience: 4+ years supporting infrastructure for fintech, banking or transaction-processing systems preferred
SKILLS & COMPETENCIES
- Strong understanding of POS acquiring business models and payment ecosystem operations.
- Proven experience in merchant acquisition, agent network management, and business development.
- Excellent knowledge of payment switching, transaction processing, and terminal management.
- Proficiency in Microsoft Office Suite and business intelligence/reporting tools.
- Strong analytical and problem-solving skills.
- Excellent communication and documentation abilities.
- High attention to detail and commitment to operational excellence.
REGULATORY CONSIDERATIONS (NIGERIA)
- Ensure POS operations comply with applicable CBN regulations, guidelines, and circulars.
- Supports compliance with the Nigeria Data Protection Act (NDPA) and relevant data security requirements.
- Ensures adherence to AML/CFT, KYC, consumer protection, and fraud prevention requirements
Paymi Solutions offers a supportive and dynamic work environment with numerous benefits:
- Competitive Compensation.
- 5-day workweek.
- Wellness Programs.
- Employee Training Programs.
- Opportunities for Growth and Development.
.How to apply:
- Submit an online application.
- You will receive an email response with further instructions.
- You will receive a second link via email for your panel interview.
- A member from our Talent Team will contact you to provide feedback and updates as appropriate.