A data modeler develops data models. This means designing, implementing, and documenting data modeling solutions and data architecture using the various types of databases, i.e., relational, NoSQL, and dimensional. These models are then used to support other business processes.
This resume focuses on the applicant's skill set and experience. Being a technical job, data modelers mostly stand out on the basis of their skill set. So, having a specific 'Skills' section is a good way to tell the hiring managers that you are well-trained. A data modeler is an experienced data analyst. So, show your career growth, highlighting your accomplishments over the years.