Field Device Security
- Defined secure provisioning approaches, certificate handling, and tamper response expectations for field devices
- Designed integration patterns for validators and on-bus devices to maintain PCI compliance across the device estate
- Addressed interoperability and resilience across ticketing IoT networks while maintaining security controls
- Ensured correct alignment between field device design and back-end payment processing requirements
Payment Gateway Integration
We have designed secure payment gateway integrations across a wide range of public-facing services, IVR payments, web payments, mobile payments, and back-office processing.
- Designed and delivered payment IVR systems integrated with billing systems for ESB, Electric Ireland, Irish Water, and local authorities
- Built the Abtran core credit card processing systems supporting significant annual transaction volumes
- Provided architectural oversight for payment integrations across Taxi, SDRT, NGT, and Leap card services
- Designed PCI-accredited desktop payment applications for contact centre environments
- Ensured payment solutions meet security, performance, and reconciliation requirements