Salesforce Developer Interview Questions

5,283 salesforce developer interview questions shared by candidates

Tell me something about yourself. Call by value vs call by reference with example. Primary key ve Unique key. What are governing limits in Apex? Deployment to Sandbox vs deployment to production. Can we edit code after deploying Apex trigger to Production? Can we edit code after deploying Visualforce to Production?
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Salesforce Administrator

Interviewed at Persistent Systems

4.2
Sep 1, 2021

Tell me something about yourself. Call by value vs call by reference with example. Primary key ve Unique key. What are governing limits in Apex? Deployment to Sandbox vs deployment to production. Can we edit code after deploying Apex trigger to Production? Can we edit code after deploying Visualforce to Production?

1.About LMS and PubSub Model and their differences 2.deepcopy and shallowcopy 3.current project tools and work lwc hooks how do u stop rerender call back Asked to write the code below is the scenario 1.Design a performance-optimized Lightning Web Component (LWC) system for a real-time inventory tracking dashboard that demonstrates efficient data synchronization and communication between components. Create a parent component with three child components: Inventory Summary (A), Stock Update (B), and Notification Panel (C). The challenge focuses on implementing a robust communication mechanism where Stock Update (B) and Notification Panel (C) can dynamically exchange information with minimal performance overhead. Your solution should address the following key requirements: 1. Implement a lightweight data sharing mechanism between components B and C 2. Ensure real-time updates are propagated efficiently without causing unnecessary re-renders 3. Develop a parent component that manages and coordinates the interactions between child components 4. Design the components to handle potential high-frequency inventory updates without compromising system performance 5. Include appropriate error handling and state management strategies to maintain data consistency The goal is to create a scalable and performant LWC architecture that can handle complex inter-component communication while maintaining optimal rendering and update cycles.
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Salesforce Developer

Interviewed at Aspire Systems

3.9
Dec 6, 2025

1.About LMS and PubSub Model and their differences 2.deepcopy and shallowcopy 3.current project tools and work lwc hooks how do u stop rerender call back Asked to write the code below is the scenario 1.Design a performance-optimized Lightning Web Component (LWC) system for a real-time inventory tracking dashboard that demonstrates efficient data synchronization and communication between components. Create a parent component with three child components: Inventory Summary (A), Stock Update (B), and Notification Panel (C). The challenge focuses on implementing a robust communication mechanism where Stock Update (B) and Notification Panel (C) can dynamically exchange information with minimal performance overhead. Your solution should address the following key requirements: 1. Implement a lightweight data sharing mechanism between components B and C 2. Ensure real-time updates are propagated efficiently without causing unnecessary re-renders 3. Develop a parent component that manages and coordinates the interactions between child components 4. Design the components to handle potential high-frequency inventory updates without compromising system performance 5. Include appropriate error handling and state management strategies to maintain data consistency The goal is to create a scalable and performant LWC architecture that can handle complex inter-component communication while maintaining optimal rendering and update cycles.

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