Senier Software Developer

Freelance, Sudan:

Self-Service Kiosk Payment System project

March, 2017 – Oct., 2018; Sudan

Tasks and Achievements

• Developed a comprehensive self-service kiosk application tailored for payment systems, utilizing C# with WPF for the software interface and system integration.
• Engineered secure and efficient low-level programming using C language to interact directly with hardware components, including the PIN-Pad, Card-Reader, Cash Dispenser, Receipt Printer, and other essential peripherals.
• Implemented secure payment options:
  • Debit Card Payments:
    • Integrated a secure PIN-Pad for encrypted PIN entry, ensuring compliance with security standards.
    • Developed seamless communication with payment gateways for real-time transaction processing and verification.
  • Cash Payments:
    • Integrated a robust cash dispenser system to manage secure cash transactions, enhancing the kiosk's versatility.
• Applied C++ for advanced encryption purposes, safeguarding sensitive transaction data and ensuring secure communication between the kiosk and backend systems.
• Ensured secure handling and validation of all payment information, successfully integrating receipt printing for completed transactions, thereby enhancing the customer experience.