AWS Developer Certification works as a badge that validates your AWS knowledge and it gives you the advantage to stand out in a competitive market. Other benefits of getting AWS certification are: -
Adding certification demonstrates a commitment to the profession
It demonstrates credibility and dedication to the career path of cloud computing
Certifications are recognized by the companies and add reliable technical credentials
It provides access to the network of like-minded people and thought leaders of AWS
AWS certification is one of the highest paying technical certifications worldwide
It gives you a new level of expertise
AWS certification opens door for the new and better job opportunities
It will boost your confidence
There are several training courses to clear this certification exam. I recommend this AWS Developer Training course by Intellipaat to clear the AWS Certified Developer Associate certification.