What are the ways for programmers to work abroad?

Labor service abroad includes a wide range of contents, mainly including management and services such as construction engineering, service industry, computer and telecommunications, insurance, banking, tourism, leasing and advertising consulting. The national professional certificate for teaching Chinese as a foreign language is the highest national qualification certificate. Compared with other certificates, it has more legal benefits and is valid nationwide. A large number of enthusiasts, college students and young and middle-aged practitioners in the Chinese as a foreign language industry have studied and applied for this certificate.