Customer Data Reconciliation Support Specialist

Start Date: ASAP
Duration: 12 months (full-time) + possible ext.
Location: flexible hybrid from Warsaw

Rate: up to 65 PLN/h on B2B

Summary: The role is aimed at supporting the reconciliation of customer data from various third-party and internal sources to create a reliable customer master database.

Main Responsibilities:

• Compare customer names and records across IT, Finance, Operations, external providers, and other available files.

• Identify the best customer match where names differ, are duplicated, incomplete, or inconsistent.

• Build and maintain a structured customer database containing the unique customer ID, customer name, source, matching decision, and status.

• Document assumptions, unresolved cases, and the reason for each matching decision in a clear and traceable way.

• Contact relevant owners in Sales, Finance, IT, Operations, or external vendors to obtain correct information when a match cannot be confirmed.

• Follow up on open issues and support continuous improvement of customer data quality.

Key Requirements:

• Comfortable working with Excel or similar files.

• Strong attention to detail with a structured working style.

• Willingness to investigate unclear cases and handle sensitive information confidentially.

Nice to Have:

• Good communication skills to interact with internal teams and external providers.

• Ability to work effectively as an external consultant.