Spring Boot: Tar File Unzip & Deduplication

I need a Spring Boot expert who can help me with my project involving unzipping a tar file from AWS S3, removing duplicates from SIP to CIP, and handling XML files.

Key tasks:
- Access and unzip tar file from AWS S3
- Process XML files from SIP to CIP
- Identify and remove duplicate entries

Ideal skills:
- Proficient in Spring Boot
- Experience with AWS S3
- Familiarity with handling XML files
- Knowledge of data deduplication techniques