Development of a Cloud-Native Modular Billing System for Rapid Deployment and Multiservice Integration

The client’s existing billing infrastructure is nearing completion but fails to meet practical business demands such as supporting multiple service lines, international multi-currency billing, and providing real-time cost calculations. They face tight deadlines requiring a new, comprehensive billing system built from scratch within an 8-month timeframe to facilitate business expansion and operational efficiency.

A medium to large-scale transportation provider seeking a flexible, scalable billing solution that supports multiple service offerings and international expansion.

• Design and implement a comprehensive billing system capable of supporting multiple service domains, including new business lines such as bike rentals or food delivery.
• Enable international multi-currency billing with integration to multiple currency exchange providers.
• Support 'continuous' real-time cost calculation to provide up-to-date billing information.
• Ensure quick deployment, with an MVP ready within three months, allowing immediate integration with existing mobile apps and financial systems.
• Facilitate flexible tariff modeling managed without extensive IT intervention to reduce operational costs.
• Support future extensibility for additional functionalities and service integration.

• Publishing and managing dynamic price lists
• Receiving, processing, and storing billing-related events
• Calculating and charging payment elements accurately and efficiently
• Publishing billing events for downstream systems
• Core billing engine supporting context-based business rules and logic
• Robust API layer for integration with external systems
• Payment processing components, including integration with payment service providers
• Automated generation and management of billing documents
• Communication interfaces with financial and accounting systems
• Multi-currency support with real-time exchange rate updates from multiple providers

• Currency exchange rate providers for multi-currency support
• Payment gateway providers for transaction processing
• Financial and accounting systems for seamless communication and data exchange
• Event streaming services for real-time event handling

• System scalability to support high transaction volumes and future growth
• Performance benchmarks ensuring real-time cost calculation and event processing
• Robust security measures for sensitive financial data
• High availability and fault tolerance in cloud environment
• Rapid deployment capabilities to meet strict deadlines

The new billing system is expected to significantly reduce operational costs by enabling flexible tariff management and automating business rules. It will support rapid expansion into new markets and service lines, improve billing accuracy through real-time calculations, and enhance overall operational agility. Deployment within tight timelines will facilitate immediate business gains, positioning the client competitively in the transportation industry.