Sophisticated Backend Development: Developed an advanced backend for a video player application using JavaScript, incorporating industry-level coding practices. Robust JWT Authentication: Implemented secure user authentication using JSON Web Tokens, ensuring reliable access control. Advanced File Handling: Utilized Multer and Cloudinary for efficient file uploading and storage, maintaining optimal performance and reliability. Efficient Data Management: Leveraged MongoDB's aggregation pipelines to handle data efficiently and effectively. Consistent API Responses: Defined comprehensive response templates to ensure consistent and reliable API interactions. Enhanced Security Measures: Employed various strategies to bolster security, including limiting JSON responses and implementing best practices to protect user data.