Need AWS senior developer -- 2

Job ID: 35182740

Budget: $250 – $750 USD

I am looking for senior developer
Let's follow code complete and your skill show me
Assume you have 1M .jpg images in "medical-images" object store bucket in AWS. Write a script to fetch them all to Linux-based server and scale them by 50% and upload them back to "medical-image-scaled" bucket. For each image N.jpg the scaled output should be N.jpg.scaled50. Do it in no more than 5 lines of code.