Pros
Clear Focus on Technology Stack: The title specifically highlights your expertise in the MERN stack (MongoDB, Express.js, React.js, Node.js), which is a popular choice for full-stack development. It directly communicates your technical skill set to potential employers.
Demonstrates Full-Stack Experience: By including "MERN Stack" in the title, you showcase that you are capable of working on both frontend and backend, a desirable trait for many development positions.
Kontras
Intern Title May Limit Perception: Some employers may view the "Intern" title as entry-level, potentially underestimating your skills, especially if you’re transitioning to more senior roles.
Narrow Focus: While the title highlights your MERN expertise, it may not reflect additional skills you have (e.g., familiarity with other stacks, technologies, or methodologies), potentially narrowing your appeal.