A senior writer creates a variety of high-quality content for a company, organization, or client. As a senior writer, your responsibilities vary depending on the type of employer and industry. You may research and write articles, maintain editorials, or publish columns. You may also work with or be a part of a marketing team to develop advertisements. Typical daily duties include training junior writers, multitasking various projects, handling client requests, conducting research on writing topics, and proofreading and editing drafts. You are responsible for managing workflow, meeting strict deadlines, and providing expertise on a variety of writing projects.