• Solid, hands-on experience with Base24 EPS development, including configuration mapping, mandate handling, and switch updates. • Strong command over C/C++ on Linux, including multithreading, sockets, IPC, and system-level programming. • Good understanding of ISO8583, EMV standards, and card transaction flows. • Working knowledge of HP NonStop (Tandem) systems in switch-based environments. • Exposure to major card schemes: Visa, MasterCard, Pulse. • Experience with secure payment handling, including HSM key usage. • Practical use of version control systems (Git/GitHub/Bitbucket). • Experience working in Agile development environments. |
| • Understanding of POS terminal ecosystems (Ingenico, Verifone, Android POS) and merchant acquiring flows. • Knowledge of Dynamic Currency Conversion (DCC), multi-language support, and ECR integrations. • Ability to write automation or diagnostic scripts using Python or Shell. • Familiarity with EMSEVENTS, PATHWAYS, BATCHJOBS, ASSEFT test simulators. • Strong debugging skills using tools like GDB. |
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