Top 5 Mistakes New Salesforce Developers Make and How to Avoid Them

Top 5 Mistakes New Salesforce Developers Make and How to Avoid Them

Top 5 Mistakes New Salesforce Developers Make and How to Avoid Them

Beginning your path as a Salesforce developer is exciting, but it has its challenges, too. Beginners often make mistakes that slow their progress and hurt their performance. The good news? These mistakes are avoidable! In this blog, we’ll cover the five biggest mistakes new Salesforce developers make. We’ll also show you how to avoid them. Learn from these common pitfalls. This approach helps you create a solid base for a successful career in Salesforce development.

1. Ignoring the basics of Salesforce architecture.

The Mistake:

Many new developers jump straight into coding without understanding the core Salesforce architecture. They overlook the differences between declarative and programmatic development, leading to inefficient solutions.

How to Avoid It:

• First, get comfortable with Salesforce’s declarative tools. Focus on Flow, Process Builder, and Validation Rules. Then, you can start learning Apex coding.
• Get to know important ideas like Governor Limits, Multi-Tenancy, and Metadata-Driven Architecture. These concepts will help you make your applications better.
• Try Trailhead, Salesforce’s free learning platform, for hands-on practice with the basics.

Real-World Example: A junior developer spent hours coding a custom approval process. It could have been set up in minutes with Salesforce Flow. Understanding the available tools can save you valuable time and effort.

2. Writing Inefficient SOQL Queries

The Mistake:

New developers often write slow SOQL queries. They don’t think about performance, so they can hit governor limits.

How to Avoid It:

• Use SELECT fields wisely instead of querying all fields (SELECT * is not an option in SOQL!).
• Avoid using queries in loops. This helps you stay within the limit of 100 SOQL queries per transaction.
• Use bulkification techniques and query optimization strategies to improve performance.

Real-World Example: A developer faced SOQL limit errors while querying large datasets in a loop. Refactoring the code to nullify the query significantly improved performance.

3. Neglecting test classes and code coverage.

The Mistake:

Skipping test classes is a common mistake. It can stop code from going live. Salesforce requires at least 75% code coverage before deploying to a production environment.

How to Avoid It:

• Write meaningful test cases that cover various scenarios and edge cases.
• Use the System. Assert() method to confirm expected outputs.
• Follow test-driven development (TDD) principles where possible.

Real-World Example: A team couldn’t deploy an important update because their test coverage was too low. Writing robust test cases in advance would have saved them from last-minute deployment issues.

4. Overlooking Security Best Practices

The Mistake:

New developers often overlook security aspects, such as CRUD, FLS (Field-Level Security), and Sharing Rules, which can create data vulnerabilities.

How to Avoid It:

• Always enforce security checks in Apex controllers using the sharing keyword.
• Use Security.restrictAccess() to prevent unauthorized data access.
• Test profiles and permission sets to ensure correct access levels.

Real-World Example: A company had compliance problems. A developer forgot to use FLS. This mistake exposed sensitive customer data. Reviewing security settings early could have prevented this issue.

5. Not leveraging the Salesforce community and documentation.

The Mistake:

Many new developers struggle to solve problems alone. They miss out on Salesforce’s wide range of resources.

How to Avoid It:

• Join Salesforce Developer Forums, Stack Exchange, and Trailblazer Community. You can get help from experts there.
• Read Salesforce’s official documentation before implementing new features.
• Attend Salesforce events and webinars to stay updated on best practices.

Real-World Example: A developer struggled for days with an Apex trigger issue. A quick search in the Trailblazer Community found a solution in minutes. This shows how valuable community support can be.

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