City Bank ATM (CDM)

What I built

• —Built backend services powering Cash Deposit Machines including note validation, account crediting, and reconciliation using ASP.NET and Symfony Framework.
• —Implemented strong verification flows with card + PIN + biometric authentication where supported with end-to-end encryption for fraud prevention.
• —Processed high-volume transactional data with daily reconciliation and exception handling using optimized Oracle Database schema.
• —Delivered ops dashboards for branch teams to monitor uptime and cash levels per machine with real-time visibility across all locations.
• —Developed centralized monitoring application enabling administrators to track CDM operations, generate ATM-wise reports, and view transaction screenshots for auditing.
• —Implemented automated data transfer to enterprise data warehouse for reporting and analytics with seamless integration to core banking systems.
• —Built REST APIs using Laravel for system integration and communication with secure authentication and authorization.
• —Integrated with core banking systems via SOAP web services for real-time transaction verification and account crediting.