CHALLENGE
Legacy limitations
Faced with growing technical challenges and evolving business needs, a client in the energy sector sought to modernize their outdated ERP system and gradually transition to a flexible, future-proof microservices ecosystem.
Key goals included standardizing technologies across the organization and moving from a traditional web services setup to an Event-Driven Service-Oriented Architecture, leveraging modern technologies such as .NET Core, Google Cloud, Google Pub/Sub, and PostgreSQL.
SOLUTION
Developing the "Proxy"
7N provided an architect who worked closely with stakeholders to map business needs and technical constraints.
Due to the existing workload on the client’s internal IT team, the consultant took on a dual role: both designing and developing a standalone system called the "Proxy".
The solution enabled:
Event-driven architecture
Receiving events from SQL Server/Service Broker and forwarding them to RabbitMQ or Google Pub/Sub
Standardized integration model
Developing a structure to support future microservice integration, enabling a "breaking the monolith" approach to modernization
IMPACT
A future-proof foundation
The approach effectively bridged the gap between legacy systems and modern, event-driven architecture, laying the foundation for scalable, long-term modernization.
The combination of close collaboration, strong technical expertise, and business insight led to a highly effective solution that:
Resolved a critical technical challenge within a short time frame
Significantly improved access to real-time data, enhancing the business value of the ERP system
Delivered a reusable solution model that can be adopted by other departments
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