When you apply for any job, post a strong cover letter with your resume. Basically, it’s a 1-page paper that explains potential employers or recruiters why you’re their perfect candidate for a specific job. It goes beyond a resume because it should explain how you will be valuable for the chosen company. If you don’t understand how to start writing, it can be useful to look at a winning cover letter sample for resume writing because it will help you determine how to format and what to include. It’s a brief letter any successful job application must contain. The only example when it shouldn’t be submitted is when job descriptions say not to do that directly.