Platform Rebuilding and Optimization for Scalable SaaS Accounting System

The client’s SaaS platform has experienced rapid user growth, exceeding 7,000 users, leading to performance issues and system overloads. Current infrastructure limitations hinder the ability to scale efficiently and increase customer acquisition targets, with anticipated growth doubling user base to approximately 14,000, risking further performance degradation. Legacy architecture and fragmented code versions impede upgrade efforts, necessitating modernization to support higher traffic and data processing requirements.

A rapidly growing SaaS provider offering accounting, invoicing, and business management solutions targeting small to medium-sized enterprises.

• Rebuild the legacy SaaS platform using modern, scalable technologies to support near doubling of the user base.
• Optimize database structure and archiving mechanisms to improve efficiency by at least 25%, reducing server load and storage costs.
• Implement comprehensive development and delivery processes based on SCRUM methodology to improve team efficiency and predictability.
• Enhance system stability and performance to handle increased traffic without significant additional infrastructure costs.
• Reduce database maintenance costs by approximately 25% through improved data management strategies.
• Enable the client to expand their user base to 14,000 without costly platform rewrites or hardware investments.

• Rebuild legacy code using a modern framework and architecture, leveraging microservices where applicable.
• Implement a responsive, user-friendly interface utilizing contemporary front-end technologies.
• Design scalable APIs to support seamless integration with third-party applications and services.
• Optimize database schema for performance, including effective archiving and data retention policies to handle inactive user data.
• Implement real-time messaging and task management capabilities via message brokers such as RabbitMQ.
• Deploy the solution on a cloud platform (Azure or equivalent) ensuring high availability and fault tolerance.

• Third-party invoicing and financial data sources
• External identity and access management systems
• External CRM and ERP systems for seamless data exchange

• System scalability to support at least 14,000 concurrent users
• Performance improvements achieving at least 25% faster response times post-optimization
• High system availability with 99.9% uptime
• Server and database load handling capacity with room for future growth
• Cost efficiency, reducing database maintenance and infrastructure costs by at least 25%
• Security measures aligned with industry standards to protect client and user data

Implementing the platform rebuild and optimization strategies is expected to enable the client to increase their customer base by over 100%, reaching approximately 14,000 users. The improvements will lead to a minimum 25% increase in system performance, reduce infrastructure and maintenance costs by 25%, and improve overall system stability and user satisfaction. Enhanced scalability and stability will position the client for continued growth and increased competitiveness in the SaaS market.