Modern Operational Platform Using Domain-Driven Design (CQRS) for a Leading Financial Firm
- Background
A leading financial firm sought to modernize its operational platform to enhance its payment, loyalty, and campaign management functions. The firm engaged VerticalServe, a top-tier consulting company, to design and implement a cutting-edge, event-driven architecture using Domain-Driven Design (DDD) and Command Query Responsibility Segregation (CQRS).
2. Objectives
- Implement a modern, scalable, and efficient operational platform
- Improve payment processing and loyalty program management
- Streamline campaign creation and execution
- Enhance fault tolerance and system resiliency
- Facilitate seamless integration with ElasticSearch and Kibana for operational monitoring
- Integrate with data lake for advanced analytics
3. Technology Stack
VerticalServe utilized a robust technology stack, including:
- API gateway for seamless integration and secure access
- Business APIs for modular and flexible system architecture
- Kafka for event streaming and messaging
- Oracle for domain data storage
- Event-driven design for increased responsiveness and flexibility
- ElasticSearch and Kibana for operational monitoring
- Integration with the firm’s data lake for analytics and insights
4. Domain-Driven Design (DDD)
VerticalServe employed DDD principles to create a modular and flexible system. The system was divided into multiple bounded contexts, each representing a distinct functional area such as payments, loyalty, and campaigns. This approach enabled efficient collaboration between domain experts and developers, leading to a more intuitive and extensible platform.
5. Command Query Responsibility Segregation (CQRS)
CQRS was implemented to separate the read and write operations, providing improved scalability and performance. This approach allowed for optimized data models, tailored to specific use cases, and the ability to scale read and write operations independently.
6. API Gateway Integration and Business APIs
VerticalServe integrated an API gateway to facilitate secure and efficient access to the platform’s services. Business APIs were developed to enable a modular and flexible system architecture, allowing the platform to evolve as business requirements changed.
7. Kafka for Event Streaming
Apache Kafka was used as the event streaming platform, enabling real-time processing and efficient communication between microservices. Kafka facilitated a highly scalable and fault-tolerant messaging system, ensuring data consistency and resilience.
8. Oracle for Domain Data Storage
Oracle was chosen as the domain data store for its robustness and scalability. By using Oracle, VerticalServe ensured a high level of data integrity, availability, and performance across the platform.
9. Event-Driven Design
VerticalServe implemented an event-driven design, allowing for greater flexibility and responsiveness within the system. This approach enabled the platform to react to events in real-time and evolve as business requirements changed.
10. Integration with ElasticSearch and Kibana for Operational Monitoring
The platform was integrated with ElasticSearch and Kibana for operational monitoring and insights. This integration provided the firm with real-time visibility into system performance and usage, enabling proactive issue identification and resolution.
11. Integration with Data Lake for Analytics
The platform was integrated with the firm’s data lake, allowing for advanced analytics and insights. This integration facilitated data-driven decision-making, empowering the firm to optimize its payment, loyalty, and campaign strategies.
12. Fault Tolerance Using Replay
To enhance fault tolerance and system resiliency, VerticalServe implemented a replay mechanism. This approach allowed the platform to recover from failures and maintain data consistency by replaying events stored in Kafka.
13. Results
The implementation of the modern operational platform by VerticalServe led to:
- Enhanced payment processing efficiency and reliability
- Improved loyalty program management and customer engagement
- Streamlined campaign creation and execution
- Increased system resilience and fault tolerance
- Real-time operational monitoring and insights with ElasticSearch and Kibana
About:
VerticalServe Inc — Niche Cloud, Data & AI/ML Premier Consulting Company, Partnered with Google Cloud, Confluent, AWS, Azure…50+ Customers and many success stories..
Website: http://www.VerticalServe.com
Contact: contact@verticalserve.com
Successful Case Studies: http://verticalserve.com/success-stories.html
InsightLake Solutions: Our pre built solutions — http://www.InsightLake.com
