Salesforce Certified Platform Developer Exam Prep

About the Salesforce Platform Developer ExamThe Salesforce Platform Developer exam targets candidates who build custom apps on the Lightning Platform. It covers the core programmatic tools used to extend Salesforce—Apex, Visualforce, and Lightning components—to create custom business logic and interfaces. Passing this exam earns the Platform Developer credential and also qualifies you to sit for the Platform Developer II multiple-choice exam.Who This Exam Is ForThis exam suits developers who have implemented and deployed basic business logic and user interfaces on the Lightning Platform and practiced the skills listed in the exam objectives.Typical background:About 1–2 years of general development experience and ~6 months working on the Lightning Platform.Time spent studying the resources referenced in the official exam guide.Expected Skills and KnowledgeCandidates typically:Work with data-driven apps and relational databases.Use object-oriented languages (e.g., Apex, JavaScript, Java, C#, Ruby).Understand governor limits and how they affect solution design.Know MVC and component-based architectures.Understand core Salesforce schema objects and their capabilities.Recognize use cases for formula fields and roll-up summary fields.Choose appropriately between declarative and programmatic solutions and apply relevant declarative features when suitable.Write Apex following best practices to customize Salesforce.Extend the platform with Apex, Lightning components (basic), and Visualforce.Build custom interfaces and business logic using Lightning Platform programmatic features.Test, debug, and deploy code and understand available environments.Out of scope for this exam: administer