How can I become a COBOL mainframe developer?

To become a COBOL Mainframe Developer, you need a bachelor's degree in computer science or a related field. You should also be extensively familiar with the COBOL programming language, and you should have a basic understanding of other computer languages, such as SQL. You need to interact with various systems, so you should have the flexibility and skills to do so. Other qualifications include critical thinking, analytical skills, and attention to detail.