Salesforce Developer Interview Questions and Answers
Summary
This comprehensive list of Salesforce developer interview Q&A covers essential topics like triggers, Apex security, governor limits, asynchronous processing, data sharing, and best practices for coding and testing. It addresses practical scenarios that developers commonly face, such as handling bulk data, preventing SOQL injection, and debugging flows versus triggers. Salesforce teams can leverage these concepts to prepare for interviews, improve code quality, and apply advanced platform features like Batch Apex, Platform Events, and Lightning Data Service.
Takeaways
- Enforce field-level security in Apex using Schema methods like isAccessible().
- Bulkify triggers and avoid SOQL/DML inside loops to respect governor limits.
- Use asynchronous Apex (future, batch, queueable) for long-running operations.
- Prevent SOQL injection by using bind variables instead of string concatenation.
- Manage recursion in triggers with static variables to prevent infinite loops.
Hi there, if you are reading this blog then I believe you are planning for your next Salesforce Developer Interview or maybe you just want to enhance your knowledge based on the interview questions being asked in the dev interviews. The questions below are based on my knowledge and understanding of the salesforce ecosystem, and feedback collected from a small group of salesforce devs. Still before attempting any interview my suggestion would be to have proper knowledge and don't rely only on the interview questions. This is just to give you an idea about the questions/scenarios that you may face in your interview. All the best ! 1. What are the differences between Before and After triggers in Salesforce? Answer: Before Triggers: These triggers are used to validate or update records before they are saved to the database. They are typically used to perform validation checks or modify a record's values before they are committed.