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Salesforce Platform Developer I ✓ Updated May 2026

Salesforce Platform Developer I

Exam Code: Platform-Developer-I
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About the Platform-Developer-I Exam

The Salesforce Platform Developer I (exam code Platform-Developer-I) certification validates a candidate's foundational skills in building custom applications on the Salesforce platform. This exam is designed for developers who have experience with the Lightning Platform, including Apex, Visualforce, Lightning Web Components, and declarative tools like Process Builder and Flow. It tests your ability to design, develop, test, and deploy scalable business logic and user interfaces within the Salesforce ecosystem. Earning this certification demonstrates your proficiency in translating business requirements into secure, efficient, and maintainable solutions using Salesforce's core technologies.

This credential is ideal for developers who have at least 6-12 months of hands-on experience with the Salesforce platform and have completed the recommended training path. The exam covers key domains such as data modeling, security, business logic, user interface development, and integration. By passing the Platform-Developer-I exam, you prove that you can effectively use Apex triggers, classes, and SOQL, as well as build Lightning components and Visualforce pages. In the industry, this certification is highly valued because it confirms your ability to solve real-world business challenges, such as automating complex processes, integrating with external systems, and creating custom user experiences directly on the Salesforce platform.

For organizations, hiring a certified Salesforce Platform Developer I means gaining a professional who can accelerate digital transformation initiatives, reduce reliance on point-and-click customizations, and deliver robust, maintainable code. This certification is often a stepping stone to advanced roles like Platform Developer II or Technical Architect, and it opens doors to opportunities in consulting, enterprise IT, and independent development. With the growing adoption of Salesforce across industries, having this credential on your resume signals to employers that you possess the technical depth and practical knowledge needed to build scalable solutions that drive business outcomes.

Who Should Take the Platform-Developer-I Exam?

The Salesforce Platform Developer I exam is intended for individuals who are new to developing on the Salesforce platform and have at least 6-12 months of hands-on experience. Typical job roles include Salesforce Developer, Application Developer, and Junior Technical Consultant. Prerequisites include a basic understanding of object-oriented programming concepts and familiarity with the Salesforce user interface. While not mandatory, completing the recommended Trailhead modules and instructor-led training is strongly advised to build the necessary skills.

Topics Covered in Platform-Developer-I

📊
Data Modeling and Management
📜
Security and Access Control
💡
Business Logic and Process Automation
🛡️
Apex Triggers and Classes
🏗️
SOQL and SOSL Queries
🔧
Lightning Web Components and Visualforce
⚖️
Testing and Debugging
🎯
Deployment and Packaging

Preparation Tips for Platform-Developer-I

Focus on hands-on practice by building sample applications in a Salesforce Developer Edition org to reinforce concepts like Apex triggers, classes, and SOQL.
Study the official Salesforce Platform Developer I exam guide to understand the weight of each topic domain and allocate your study time accordingly.
Master debugging and testing by writing unit tests that achieve at least 75% code coverage, as this is a critical skill for the exam and real-world development.
Review key concepts in data modeling, such as relationships (lookup, master-detail), schema builder, and field types, as they are heavily tested.
Understand Salesforce security model, including profiles, permission sets, sharing rules, and object-level security, to answer scenario-based questions.
Utilize the official Salesforce Certification study group and practice exams to simulate the test environment and identify weak areas.

Frequently Asked Questions — Platform-Developer-I

What is the passing score for the Salesforce Platform Developer I exam?

The passing score for the Platform-Developer-I exam is 65%, meaning you need to answer at least 65% of the questions correctly. The exam consists of 60 multiple-choice questions, and you have 105 minutes to complete it. Note that passing scores are subject to change, so always check the official Salesforce certification page for the latest updates.

How long is the Salesforce Platform Developer I certification valid?

The Platform Developer I certification does not expire. However, Salesforce recommends staying current with platform updates by completing release-specific modules on Trailhead. While there is no mandatory recertification, maintaining your skills ensures you remain effective in your role.

Can I take the Platform-Developer-I exam online?

Yes, the Salesforce Platform Developer I exam is available both online (proctored) and at physical testing centers. The online option allows you to take the exam from home, provided you meet the technical and environmental requirements, such as a stable internet connection and a private room. Register through the Salesforce Certification portal to choose your preferred delivery method.

How many questions are in the ExamsTree Platform-Developer-I study guide?
The ExamsTree Platform-Developer-I PDF study guide contains 200+ practice questions with detailed answer explanations, all mapped to the official Salesforce exam objectives.

Why Choose ExamsTree?

ExamsTree Platform-Developer-I Study Guide is developed by experienced certification professionals with deep knowledge of Salesforce technologies. Our team thoroughly researches each exam domain to provide comprehensive, accurate coverage.

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Exam Details
Vendor Salesforce
Questions 200+
Format PDF
Updated 5/24/2026
Cert Platform Developer I
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