Sadie Peterson is applying for a Marketing Specialist position at Rose and Steel Marketing. She has over seven years of experience in marketing and believes her skills in communication, creativity, problem-solving and proficiency in marketing software make her a strong candidate. Sadie highlights her experience analyzing social media metrics, increasing consumer engagement through UX design, and leading a team to complete tasks on time. She is excited about the company's commitment to helping small businesses and enjoys their social media content.