Set up API integration

We are looking for an experienced developer to refine our website. Tasks include:

Implementation of a new template for ordering services with a modern and user-friendly interface.
Setting up API integration to improve the functionality of the site.
Requirements:

Strong knowledge of HTML, CSS, JavaScript.
Experience with APIs (RESTful).
Availability of examples of work performed.
Responsibility and attention to detail.

Possibility of further cooperation.
If you are interested in the project and want to discuss the details, please send your portfolio and an example of work!