Emna Guesmi
Payment Systems Consultant
Salaire / Taux journalier
Sounine, Tunisie
Freelance, ouvert au CDI
Expertises
Langues
À propos
Introduction
Payment Systems Engineer with 5 years of experience in electronic payment systems, card lifecycle management, ISO8583 messaging, EMV implementation, and Visa/Mastercard integration. My expertise covers the full payment ecosystem: TPE integration, switch communication, core banking interfaces, transaction lifecycle, certification support (Visa & Mastercard), SIT/UAT execution, and production deployment. I combine strong technical understanding (ISO8583, EMV, REST APIs, Oracle, Java, C/C++) with functional banking knowledge.
Expérience de travail
Payment Systems Consultant
S2M Worldwide
févr. 2025 - Présent
1 an 9 mois
Soliman, Tunisie
SPX platform migration projects Card lifecycle validation & testing Visa Base II & Mastercard IPM processing Clearing & Settlement Open API testing (Postman, REST/SOAP) ACS1 to ACS2 migration SIT, UAT & production support Client coordination & issue tracking (JIRA) Clients: BNP, SGA, Al Baraka Bank, Yaqeen Bank, Massarat
Payment Systems Engineer
MS Solutions Group (Monetics Services Solutions)
févr. 2022 - mars 2025
3 ans 2 mois
Soliman, Tunisie
Developed and integrated ISO8583 transaction processing Implemented EMV logic, BIN control & authorization flows Contributed to Visa & Mastercard certification processes Migrated SPDH protocol to ISO8583 Developed TPE applications (Verifone terminals) Managed TPE ↔ Switch ↔ Core Banking communication Executed SIT, UAT and production deployment Provided on-site and remote client support Key Projects: GIM-UEMOA – Certified Visa/Mastercard payment application SG Cameroon & Côte d’Ivoire – Mobile payment via TPE Vista Bank Côte d’Ivoire – ISO8583 & EMV integration Moamalat Libya – ISO8583 transaction processing updates Monetique Tunisie – SPDH to ISO8583 migration
Formation
ENSTA Borj Cedria
Diplôme d'ingénieur, Technologies avancées
2018 - 2021
3 ans 1 mois