Participante anónimo 920 your answer is not complete. Not only can't be hired by a thai company. In any other situation (freelance, company owner)you neither can't work for a thai customers
Same question to me when i exited at phuket airport past january. Now i think the officier only would to be courious about the life style of a remote worker.
No questions on the first and second entries, but the 3th in Phuket, the officier ask me about my activities in Thailand, and the name of the neighborhood where I'm staying, and a problem when I don't remember. Lucky I had my booking bill, with the address
Today new entry, my fourth time with DTV at Phuket airport. Really different, now I think the officers are instructed to ask the holders of this type of visa. In my case: "what is the name of the town where you will live in Phuket?"