Salesforce Development Intern

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 2025, 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

Responsibilities

• 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

Skills / Knowledge

• Must be currently enrolled in a degree program (Computer Science, Software Engineering, Information Systems, or a related field)
• 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 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.

This internship is eligible for remote participation, excluding the following locations: Arizona, Alaska, Arkansas, California, Colorado, Washington DC, Hawaii, Illinois, Maryland, Minnesota, Mississippi, Nevada, Oregon, South Dakota, Washington State, West Virginia, Wyoming.