Which job pays better, UnionPay R&D postal service or bank software development?

For the post salary of UnionPay R&D, please refer to the job search website. The monthly salary of UnionPay R&D engineers is about 20,000-30,000 yuan, and the salary of related positions or R&D positions in different directions in cities has a floating range.

According to the data provided by the bank's software development website, the national average salary is112.75 million yuan, and the relevant positions in each city are different, but they are basically between 9000- 12000 yuan per month.