Data Migration Consultant

Via agency · develop

Database administratorSystems analystSoftware developerTemporary

Budapest

An exciting contract opportunity is available for a Data Migration Specialist to support the implementation of LS Retail within a global consumer-facing business. The programme involves migrating data from multiple legacy platforms, including POS, hospitality and payment systems, into a new retail environment. Working closely with the Data Migration Lead, you'll be responsible for the day-to-day delivery of migration activities, ensuring data is clean, accurate, validated and ready for go-live.

Tasks

  • Extracting, profiling, cleansing and transforming data from multiple legacy systems.
  • Creating source-to-target mappings and applying migration rules.
  • Executing ETL processes and scripts using SQL, Excel and data-transformation tools.
  • Reconciling datasets and investigating data-quality issues.
  • Coordinating data extracts with vendors, system owners and technical teams.
  • Supporting migration testing, defect resolution, dress rehearsals and cutover.
  • Maintaining migration documentation, validation evidence and progress reports.
  • Ensuring data is handled securely and in line with governance requirements.

Requirements

  • Hands-on data migration experience across multiple source systems.
  • Strong SQL and advanced Excel skills.
  • Practical ETL, data cleansing and transformation experience.
  • Experience with data mapping, validation and reconciliation.
  • Confidence working with technical teams, business stakeholders and third-party providers.
  • A structured, analytical approach with excellent attention to detail.

Posted Oct 27, 2026 · Updated 7 days ago · 1 view