1. Software development: Students majoring in mathematics and computer science can find jobs in the field of software development. Can be engaged in various types of programming work, such as Web applications, desktop applications, mobile applications and so on.

2. Data analysis: With the advent of the era of big data, more and more companies have to analyze and interpret data. Students majoring in mathematics and computer science can use their knowledge of mathematics and statistics to find jobs in the field of data analysis.

3. Artificial intelligence: Artificial intelligence is one of the hot fields at present, and students majoring in mathematics and computer can find jobs in this field. Can be engaged in machine learning, natural language processing, image recognition and other aspects of work.