To be a software developer, you typically need to have strong problem-solving skills, be able to write and understand code, and have knowledge of one or more programming languages. Additionally, it is important to have the ability to work well in a team and to be able to communicate effectively with both technical and non-technical stakeholders. Familiarity with software development methodologies, version control systems, and development tools is also important. Strong analytical and debugging skills are also necessary to identify and fix problems in the code. Continuous learning and staying up to date with new technologies and industry trends is also important in this field.