It's difficult to say which specific digital marketing job is "best" as it ultimately depends on an individual's interests, skills, and career goals. Some popular digital marketing roles include:

1. Search engine optimization (SEO) specialist: focuses on improving a website's ranking on search engines like Google
2. Social media manager: responsible for creating and implementing a company's social media strategy
3. Content marketer: creates and distributes valuable, relevant, and consistent content to attract and retain a clearly defined audience
4. Email marketer: designs and sends email campaigns to promote a product or service
5. Paid advertising specialist: runs and optimizes paid advertising campaigns on platforms like Google Ads and Facebook Ads

It's also important to note that many digital marketing roles involve a mix of different responsibilities and tasks, so it's common for professionals to have a diverse set of skills.