Onafriq is an omnichannel network of networks, making borders matter less by providing our partners with a single pathway to unlock the full power of cross-border and cross-platform payment solutions.
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We are seeking a highly skilled and experienced Mid Level Software Engineer with deep expertise in payments processing and strong technical proficiency in C++ and PL/SQL. The ideal candidate will have hands-on experience with Visa and/or Mastercard processing as a Third-Party Processor (TPP), a solid understanding of ISO 8583 and PostBridge specifications, and a background in the banking or fintech sector. This role will focus on designing, developing, and maintaining high-performance, secure payment processing applications with emphasis on dual message prepaid card processing and an interest in extending into debit card processing.
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.
Preferred Skills
Experience with switching platforms and real-time transaction processing systems.
Exposure to cloud-native architectures and containerized deployments (Docker, Kubernetes).
Knowledge of fraud detection, settlement, and reconciliation processes.
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