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Salesforce Developer Coding Interview Questions 2025

As you prepare to showcase your skills and expertise, it is essential to familiarize yourself with the types of questions you may asked to solve during the interview process in 2025.

In this article, we'll explore some common Salesforce developer coding interview questions to help you feel confident and prepared.

Interview coding questions by topic

Coding with apex data types & collections

As a Salesforce developer, understanding the various data types available in Apex is important for manipulating data within the Salesforce platform. Apex has both primtive and non-primitive data types.

Following are the primitive and non-primitive data types in apex.

  • Primitive data types

    Boolean
    String
    Integer
    Decimal
    Date

    Non-primitive data types

    List
    Set
    Map

We've prepared a list of progamming questions to practice writing apex code for data types and control flow statements.

Apex string coding examples

Apex date coding examples

Apex collections and control flow coding examples

SOQL & DML Questions in 2025

SOQL (Salesforce Object Query Language) is used to query Salesforce data, while DML (Data Manipulation Language) statements are used to perform operations such as inserting, updating, deleting in Salesforce databases.

Knowledge on performing SOQL and DML statements helps developers operate on Salesforce records for various business use cases.

Follow the link below for various SOQL and DML practice questions.

SOQL & DML practice examples

Salesforce Apex triggers

Salesforce apex triggers enable developers to implement custom business rule when records are inserted, updated or deleted from the database. There mainly two types of triggers, before triggers and after triggers.

Writing Apex triggers often involves using trigger events, context variables, and apex collections.

Follow the link below for both before and after apex trigger practice examples.

Apex trigger practice examples

Apex REST API Coding Questions

The Salesforce REST API enable developers to connect Salesforce with other systems using HTTP methods and protocols. Understanding the basics of the REST API is important for developers.

Follow the link below apex rest api examples.

Apex rest api practice examples

Lightning web components(lwc)

Lightning web components(lwc) enable developers to create reusable and modern ui elements to customize the salesforce screens.

Follow the link below lwc practice examples.

lwc practice examples