External Client Login + Authentication front end for GCP bucket

I am looking for a developer to create a front-end for an external client login and authentication system for a GCP bucket. The desired authentication method for the login is username and password.

Skills and experience:

- Proficiency in front-end development
- Experience with creating login and authentication systems
- Strong proficiency with GCP, Google App Engine, app.run and its bucket system

Front-end technology:

- Gradio or Wordpress

Front-end requirements:

- Implement a username and password authentication system for external clients
- Design and create a user-friendly login page
- Handle authentication errors by displaying an error message

Timeline and deliverables:

- The project should be completed within 3 days.
- The deliverables include a fully functional front-end login and authentication system

Please provide examples of previous work and relevant experience when submitting proposals.