4. Corrector. National average salary: 50 Primary duties: A proofreader ensures that documents, websites, magazines and books follow grammatical rules and all relevant style guides. Being a proofreader requires attention to detail, as one must carefully analyze every element of a text. ~ Find freelance script editors to hire. Script editors and outsource your project. a storyteller Professional and creative writing in Finnish and English, including translations and proofreading. - Virtual Assistant - Executive Assistant - Social Media Management Marketing - Content Writing Script Writing Editing. ~ Hire when you are ready. 3. Collaborate easily. Use Upwork to chat or video call, share files, and track project progress right from the app. 4. Simplified payment. Receive invoices and make payments through Upwork. Only pay for work you authorize. Hire the best freelance proofreaders in Canada on Upwork™, the best in the world,