Short term

Yes, there are additional courses to pursue after D.Pharma though the question doesn't specify, you are probably referring to programs in general.
Clinical pharmacist - If you want to be a clinical pharmacist, you will likely need to complete a 1 or 2 year residency, usually at a hospital. These programs will teach you to truly be a pharmacotherapy expert in a specialty, like pediatrics.
Industrial fellow - A lot of pharmaceutical companies offer what's called a fellowship. These jobs are 1 to 2 year programs that basically train graduates to work in industry. Areas that pharmacists can work in include: medical affairs, pharmacovigilance, regulatory, marketing, business, clinical research, and drug information. After a 2 year program, pharmacists usually end up with good jobs.