Enhancing Maintainability and Performance in Salesforce with Apex Design Patterns

Abstract

Salesforce has become a leading platform for customer relationship management (CRM) and enterprise application development, yet the complexity of large-scale applications presents challenges in maintainability, scalability, and performance. Apex, Salesforce’s proprietary programming language, enables the development of sophisticated business logic, but poorly structured codebases can hinder performance and complicate long-term maintenance. This paper explores the application of established software engineering design patterns within the Salesforce ecosystem, focusing on how Apex design patterns improve code quality, reusability, and system efficiency. By analyzing common patterns such as Singleton, Factory, Strategy, and Unit of Work, we demonstrate their effectiveness in addressing scalability bottlenecks, optimizing queries and transactions, and ensuring compliance with Salesforce governor limits. The study concludes that leveraging Apex design patterns is essential for sustainable Salesforce development, allowing organizations to maximize platform capabilities while reducing technical debt.