The question makes little sense - if you have people who will hire you and get you a work permit - why ask ? They would know the process .
There is no visa co sign or sponsorship - the current process is well
Documented in this and other Thai forums about getting coe, showing proof of vaccine , testing , medical insurance that covers your stay in the kingdom , types of entry visas , quarantine hotels and agencies , visa requirements for entry and how to change them after entry . The rumors of expanding tourism and the variety of sandbox like schemes to tourist zones . There’s information about what you can be employed as and what you can’t …etc
Here’s the info from the Thai mission in USA - you can find this at your home country mission
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