Remote Amazon Flat File Master & Variations Expert

Lago; Argentina; Remote; ARS 17,032,000 - 25,547,000; Full time

Job summary

Lago is seeking a detail-oriented Amazon Flat File / Master File Specialist to manage catalog listings for 3,000+ ASINs in a fully remote role. You will create and maintain flat files, manage parent-child relationships, and handle Seller Central casework in an environment that values accuracy, speed, and technical catalog knowledge.

Ideal candidates read flat file outputs, troubleshoot upload errors, and work East Coast hours.

Qualifications

• Hands-on experience with Amazon Seller Central (min 2 years).
• Strong experience creating and troubleshooting flat files.
• Experience managing parent-child variation structures.
• Experience handling Amazon casework.
• Ability to read and resolve flat file upload errors.
• Ability to work East Coast hours.
• Strong English communication skills (written and verbal).
• Ability to work independently with minimal supervision.

Responsibilities

• Flat File Creation & Management: full flat file creation from scratch.
• Master file maintenance and updates.
• Variation theme configuration (size, color, style).
• Bulk uploads via Seller Central.
• Parent-Child Variation Management: build and maintain relationships.
• Troubleshoot orphaned child ASINs and upload errors.
• Monitor listing health across 3,000+ ASINs and resolve issues.
• Escalate catalog conflicts when necessary.

Skills

Amazon Seller Central

Flat file creation

Parent-child variation

Seller casework

Flat file errors

East Coast hours

English communication

Independent work

Tools

Asana

Job description

Lago is seeking a detail-oriented Amazon Flat File / Master File Specialist to manage catalog listings for 3,000+ ASINs in a fully remote role. You will create and maintain flat files, manage parent-child relationships, and handle Seller Central casework in an environment that values accuracy, speed, and technical catalog knowledge.

Ideal candidates read flat file outputs, troubleshoot upload errors, and work East Coast hours.