Here is the art of getting your resumes shortlisted by the companies and the Guide to optimize your resume for Applicant Tracking Systems (ATS).
ATS helps recruiters and hiring managers to manage applications and shortlist best profiles.
You would be wondering why do I not get any call from companies to which I applied for a job. Understand how a company process your resumes and shortlist the candidates.
Online Resume optimization: https://skillsyncer.com/