Required Desktop Applications,Electron,Git,Standalone Application freelancer for S3 uploader setup job

Hello,
I need to add some custom functions and tweaks for a software on github.
Need to add custom login function , security enhancement,multipart upload and more. If you think you can do this in efficient manner reply back , I'll give more details about project.

Also mention you have any experience in s3 backup setup please add details.

Thanks for your time,

Skills & Expertise Required

Desktop Applications Electron Git Standalone Application