Changes to a cryptocurrency site

I am looking for a developer to make functionality improvements to my cryptocurrency site. I have specific functionalities in mind that need improvement and I can provide the details. The priority level for these changes is no rush, it can take a few weeks.

Ideal skills and experience:
- Experience with cryptocurrency sites and understanding of their functionality
- Strong knowledge of web development languages and frameworks
- Ability to implement and test new functionalities
- Attention to detail and ability to follow specifications

The site to reference is: https://beta.tomb.finance/

Specific functions need to be implemented and into: https://mavr.finance/#/