POS Engineer

The Lead POS oversees field operations business development activities terminal lifecycle management and partnerships while ensuring compliance with regulatory requirements and company policies. The role collaborates closely with Operations Technology Risk Finance and Customer Experience teams to deliver seamless POS services and achieve business objectives.

KEY RESPONSIBILITIES

• Strong understanding of ISO 8583 messaging standards and card transaction message flows.
• Ability to understand and troubleshoot common ISO 8583 messages including 0200/0/0/0810 and relevant response/transaction codes.
• Familiarity with key ISO 8583 data elements/fields such as MTI Processing Code STAN RRN Response Code POS Entry Mode Terminal ID Merchant ID Transaction Amount Track 2 Data and ICC/EMV Data (Field 55).
• Understanding of how EMV data is carried within ISO 8583 messages particularly DE55 (ICC System Related Data).
• Strong understanding of EMV (Europay Mastercard and Visa) standards and chip-card transaction processing.
• Good knowledge of the EMV transaction flow including application selection CVM/PIN processing terminal-card interaction online/offline authorization and EMV cryptographic data.
• Ability to troubleshoot EMV-related transaction failures including issues involving AIDs CAPKs terminal parameters CVM cryptograms and transaction configuration.
• Ability to trace a transaction across the POS acquirer/processor switch issuer and identify where a transaction failure or decline originates.
• Ability to analyze transaction logs and ISO 8583 request/response messages when investigating failed reversed duplicated timed out or declined transactions.
• Familiarity with payment switches processors acquirers issuers and the interaction between POS terminals payment applications switches and banking systems.
• Understanding of transaction reversals advice messages timeouts duplicate transactions reconciliation and settlement-related issues
• Support negotiation and management of relationships with terminal vendors payment processors and service providers.
• Participate in product development initiatives and recommend enhancements to improve the POS offering.

Qualifications :

EDUCATIONAL QUALIFICATIONS

• Bachelors degree in Computer Science Engineering or a related field (required).

EXPERIENCE REQUIREMENTS

Total Relevant Experience: 58 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

Additional Information :

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.

Remote Work :

No

Employment Type :

Full-time