As an expert in AWS Cloud Computing and System Administration, I fully understand the challenges you're currently facing with the high transfer charges between your S3 bucket and RDS service. With my 6 years experience, I can help you analyze and address the root cause of these charges, then configure Amazon CloudFront to optimize content delivery and save you valuable costs.
My proficiency in AWS is thorough and extensive across various services including S3 Bucket, RDS, and especially CloudFront which will come in handy for this project. Based on my in-depth understanding of these technologies, I am confident that I can identify and rectify any configuration issues that are causing higher transfer charges in a timely manner.
In addition to my practical experience with handling large data sets like yours, I am well-equipped to manage primarily image and static files. My core dedication in your project is ensuring maximal operational efficiency while minimizing costs. Choosing me for this project assures you an expert who will go above and beyond just optimizing content delivery but also strategize to use your S3 and RDS services effectively thus maximizing your returns on investment.