The qualifications and skills that you need to start a career in digital marketing depend on the duties and responsibilities of your position. Employers at digital marketing agencies may seek a degree in marketing or advertising. Writers, graphic designers, and web design professionals should earn a degree in their area of specialization. You can also pursue a postsecondary certificate from a community college. There are professional certifications as well, such as the Digital Marketing Certification from the American Marketing Association. You should maintain a portfolio of work to show employers.