Data Migration Junior Developer Ref. No: 8504

Lufthansa is the largest airline in Germany and one of the leading airlines in the world.

As the Lufthansa Group Business Services’ employee you will become part of the organization that supports the aviation business. Our teams handle accounting, look after our customers' employees, run procurement processes and take care of IT applications. Everything contributes to a great travel experience for Lufthansa Group customers.

Region: Kraków, małopolskie

What we are looking for:

  • Master’s or Bachelor’s degree
  • Min. 3 years of experience in data analysis using Excel (Power Query, Pivot Tables)
  • Basic experience with Python or/and Java
  • Willingness to work with and learn ABAP
  • Knowledge of SAP HCM or/and SuccessFactors data structures and infotypes will be an asset
  • Understanding of data mapping, transformation, and validation principles
  • Strong analytical thinking and ability to identify inconsistencies in large data sets
  • Ability to analyze and document data requirements and field-level mappings
  • Very good English skills
  • Independent and systematic approach to work
  • Clear and effective communication with technical and non-technical stakeholders
  • Ability to detect data inconsistencies, errors, and mismatches across large and complex data sets
  • Team player
  • Flexibility and adaptability

Responsibilities:

As a Data Migration Junior Developer, you’ll play a critical role in ensuring the successful transition from legacy HCM system to SAP SuccessFactors. Your work will directly support our HR-IT transformation program by enabling clean, validated, and structured data migration — a foundation for any reliable system go-live.

You’ll work closely with business analysts, data owners, and technical teams to analyze source data, identify and address data quality issues, implement transformation logic, and execute the migration process using ABAP and other tools. Your contribution will be essential not only for technical execution but also for building trust in data integrity among stakeholders.

Tasks:

  • Analyzing legacy HCM data structures and other required data sources, and then identifying data elements in scope for migration
  • Developing transformation logic to map source data to SuccessFactors data model
  • Coding data extraction and transformation routines using ABAP
  • Preparing and maintaining migration templates and conversion scripts
  • Executing test migrations and supporting defect resolution during testing cycles
  • Supporting data cleansing analysis and enrichment in coordination with business stakeholders
  • Validating migrated data against source systems for completeness and accuracy
  • Collaborating with functional consultants and data owners to align on data requirements
  • Supporting cutover planning, final data loads, and go-live activities
  • Perform technical troubleshooting of data load issues, including field mapping errors, transformation logic mismatches, and system performance bottlenecks during migration cycles
  • Documenting all migration logic, field mappings, and technical procedures for audit and reuse

We offer:

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Attractive development opportunities

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Private medical care for employees and their families

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Possibility to fulfil a dream about far journeys with attractive discounts for flight tickets

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Possibility to adjust the place and hours of work to private needs

For our employees we offer:

  • Hybrid working model (work in the office one day per week)
  • Opportunity to work from each part of Poland during remote work
  • Flexible working time
  • New branded and modern office: 200 adjustable desks, several types of meeting rooms, bike amenities, lounge rooms and chill out spaces, cozy kitchens and excellent public transport in a walking distance
  • Continuous improvement environment
  • Supportive & friendly working atmosphere - we work towards a joint success

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