Login Authentication and Validation System

Developed a secure user login and authentication system using REST APIs. Implemented user credential validation, authentication logic, and session management to ensure authorised access to the application. Integrated backend APIs for user login and registration functionalities and performed comprehensive API testing using Postman to verify request/response handling, authentication flow, status codes, and error management.

Key Responsibilities:

Developed user login and authentication functionality.
Implemented input validation for email/username and password fields.
Integrated RESTful APIs with the frontend application.
Tested API endpoints using Postman for functionality and reliability.
Verified authentication tokens and API response handling.
Debugged and resolved authentication and validation issues.
Ensured proper error handling for invalid credentials and unauthorised access.
Improved application security through authentication checks and validation rules.

Technologies Used:

JavaScript / React.js (if applicable)
REST APIs
Postman
Node.js / Express.js (if applicable)
JWT Authentication (if applicable)
HTML, CSS