Almost people who tend to seek a job understand that resume is the decisive factor to whether you can make it to the interview round or not. Moreover, do not forget that resume and resume is two sides of the one which show your outstanding capability.
The strength of your resume depends on your confidence, but confidence here does not mean arrogance. Your resume must absolutely avoid words and phrases that may make the readers think that you are too sharp and even deceitful. Use the resume and resume to make the readers understand that you are sensitive, professional, politely and well qualified.