Need a EXPERT in techical SEO and translations regaurding (hreflang) implementation

I have a large international directory website translated into many languages ​​using the professional version of translatepress. However, I added 146 USA pages that should only be shown to people in English who are in English speaking countries . Since adding these pages, I have the Czech language, among others, appearing on the first page of Google for English speakers in the US. I need a real expert to help me with this immediately. I will pay for your knowledge on how to add the hreflang code CORRECTLY.