sandhya kadam

Gained a deep understanding of Cross-Origin Resource Sharing (CORS) to enable secure communication between different domains. Mastered JSON Web Tokens (JWT) for stateless authentication, including token structure, storage, and server-side verification.

Mastered Node.js file system operations, including asynchronous and synchronous file reading, writing, and deletion. Gained proficiency in handling errors and managing directories programmatically.

Acquired comprehensive knowledge of MongoDB, a NoSQL database, including document and collection management, flexible schema design, and scalability. Utilized Mongoose as an ODM for Node.js to define schemas, perform CRUD operations, and manage data validation and relationships.

Developed expertise in Express.js for building robust web applications, focusing on routing, HTTP request handling, and middleware implementation. Learned to manage URL parameters, query strings, and request bodies effectively.

Became proficient in using Joi for robust data validation in Node.js applications, ensuring data integrity and improving application security. Implemented validation in middleware to process request data before reaching route logic.