How To Write A Letter Applying For A Job Vacancy . Remember, you are not creating a copy of your cv. Make it easy for your potential employer to find your contact information quickly. Letters Of Application Examples Best Of How to Write An Application from www.pinterest.ph An effective application letter for a job should give a detailed explanation of your interests, goals, and passion. How you discovered the opening: Gilhooley, i am writing to apply for the programmer position advertised in the times union.