Salesforce Development Intern

Pay Rate: $16.50/hour
Length: 12 weeks
Hours: 30 hours/ week
Location: Remote, USA

Macmillan Learning is a privately-held, family-owned education publishing and services company and because of that we’re able to focus on what’s most important—helping students of all abilities and backgrounds learn and succeed. Education creates opportunities for students, helps develop lifelong skills, and enhances our society. At Macmillan Learning, we recognize the important role that educational content and technology play in supporting that. All that we do—from the pioneering products and learning materials we create for high school and college students, to the authors and creators we sign —is in service of ensuring that students of all abilities and backgrounds engage, learn and succeed. Our mission is to inspire what’s possible for every learner. We envision a world in which every learner succeeds. Through our content, tools, and services, we aim to make that a reality.

Intern with us Summer 2026, so you can Achieve More. 

What will you be doing and learning?
The Salesforce Developer Intern will play a crucial role in improving the efficiency and maintainability of our Salesforce environment by analyzing, optimizing and cleaning up obsolete code. This internship provides hands-on experience in Salesforce development, Apex programming and system performance optimization. The intern will collaborate with Salesforce Developers, Administrators, Business Analysts and QA teams to identify technical debt, refactor legacy code and enhance system functionality.

During the internship, the intern will:

• Gain practical experience with Apex, SOQL, Lightning Web Components and Salesforce development best practices
• Develop skills in code optimization, debugging, performance tuning and deployment processes
• Learn about Salesforce security, governor limits and scalable architecture
• Work closely with an experienced team in an enterprise Salesforce environment, gaining real-world experience in software development lifecycle and DevOps

Major responsibilities include, but are not limited to:

• Code Analysis & Documentation: Review existing Apex classes, triggers, Visualforce pages and Lightning components to identify obsolete or inefficient code. Document findings and suggest improvements
• Refactoring & Optimization: Rewrite and optimize legacy code to align with Salesforce best practices, ensuring better maintainability, performance and compliance with governor limits
• Technical Debt Reduction: Identify deprecated features, unnecessary hardcoded value and redundant logic. Assist in modernizing and consolidating business logic
• Testing & Validation: Develop and execute Apex unit tests to maintain code quality and achieve optimal test coverage. Work with QA teams to validate functionality
• Declarative Automation Review: Assist in replacing outdated Process Builders and Workflows with modern Salesforce Flow solutions where applicable
• Version Control & Deployment – Learn and assist with Git-based version control, branching strategies and deployment processes using tools like Copado, Gearset, or Change Sets
• System Performance Monitoring : Monitor debug logs, analyze SOQL queries and optimize data retrieval methods to improve system efficiency
• Security & Compliance Considerations: Ensure that Apex and declarative solutions adhere to Salesforce security standards, including CRUD/FLS enforcement, sharing rules and secure coding practices
• Collaboration & Knowledge Sharing: Participate in team meetings, discuss development strategies and share insights on improving Salesforce development workflows

This internship is an excellent opportunity for students to gain hands-on Salesforce development experience, build real-world coding and debugging skills, and contribute to impactful projects within an enterprise-level Salesforce environment.

Skills/ Knowledge:

• You must be currently enrolled in a degree program (Computer Science, Software Engineering, Information Systems, or a related field).
• We will accept applicants graduating from their degree in Spring 2026.
• Recent graduates within the last 6 months will be considered.
• Basic experience with Apex, SOQL, JavaScript, or other object-oriented programming languages is preferred.
• Understanding of Salesforce data structures, security model, and declarative automation (Flows, Process Builder, Workflows) is a plus.
• Strong problem-solving skills and attention to detail.
• Experience with Git, version control, and debugging tools is a plus.
• Ability to work collaboratively in a team environment.
• Passion for learning, coding, and optimizing business processes.

This internship is eligible for remote participation, excluding the following locations:  Alaska, Arkansas, California, Connecticut, Washington DC, Hawaii, Illinois, Mississippi, Nevada, New York, South Dakota, Washington State, West Virginia, Wyoming.

Macmillan Learning is a privately-held, family-owned company that inspires what’s possible for every learner. We envision a world in which every learner succeeds. Through our content, tools and services, we aim to make that a reality. To learn more, please visit macmillanlearning.com or see us on LinkedIn, Facebook, or X.  Macmillan Learning is a division of the Holtzbrinck Publishing Group, a family-owned global media company headquartered in Stuttgart, Germany.  

We are an Equal Opportunity Employer. We are actively seeking job applicants who reflect a broad representation of differences, including race, ethnicity, religion, sex, sexual orientation, gender identity/expression, physical ability, neurodiversity, age, veteran, family and economic status and background, geographical background and status, and perspective. We believe that the best companies reflect the incredible diversity in viewpoints, backgrounds, and identities of the world in their staff, and are committed to inclusive hiring across departments and levels. You can read more about our Diversity, Equity, & Inclusion initiatives here.

The successful candidate for this position will be an employee of Bedford, Freeman & Worth Publishing Group, LLC d/b/a Macmillan Learning. Bedford Freeman & Worth Publishing Group, LLC has developed an affirmative action program in compliance with the NY Department of Education’s guidance. Portions of the affirmative action program are available for review by applicants and employees by contacting Human Resources at Macmillan Learning.