Software Engineer – Prepaid Card Payments at Onafriq

December 17, 2025 •

Posted 4 weeks ago

Job Description

We are the “Network of Networks” that provides convergence and interoperability by enabling our partners to scale their digital payment strategies.

Software Engineer – Prepaid Card Payments

Key Responsibilities

  • Design, develop, and maintain payment processing applications using C++, python, Bash and PL/SQL.
  • Assist with daily support activities and identify automation opportunities
  • Implement and enhance systems that comply with Visa and Mastercard TPP requirements, including certification and compliance updates.
  • Work with ISO 8583 and PostBridge protocols to ensure reliable message parsing, routing, and settlement.
  • Support dual message processing for prepaid card transactions and contribute to expanding capabilities for debit card processing.
  • Collaborate with business, operations, and compliance teams to deliver solutions aligned with financial industry regulations and standards.
  • Troubleshoot and resolve complex transaction processing issues in production environments.
  • Optimize system performance, scalability, and security for mission-critical applications.
  • Mentor junior engineers and provide technical leadership in payments domain knowledge.

Qualifications

  • Bachelor’s degree in Computer Science, Engineering, or related field (Master’s preferred).
  • 4+ years of software development experience, with expert-level proficiency in C++ and PL/SQL.
  • Strong background in Visa/Mastercard payment processing as a Third-Party Processor (TPP).
  • Proven experience with ISO 8583 message specifications and PostBridge.
  • Hands-on experience with dual message credit card processing.
  • Banking or fintech industry experience required.
  • Familiarity with debit card processing highly desirable.
  • Knowledge of transaction security, encryption, and PCI DSS compliance.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Excellent communication and teamwork skills.

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