Type Test Web App Development

I'm seeking an experienced full-stack developer to create a type test web application.


Essential functionalities are needed but were not specified.

Ideal Skills & Experience:
- Proficiency in web development (frontend and backend)
- Experience with user authentication systems
- Strong knowledge of payment gateway integration
- Prior work on similar test or quiz applications would be a plus

Please provide examples of relevant past work and a brief outline of your approach.