Data Transformation Engineer (Data Migration Business Analyst)

Inetum is a European leader in digital services. For businesses, public sector organizations, and society as a whole, the group’s 26,000 consultants and specialists work every day to create tangible digital impact: solutions that contribute to performance, innovation, and the common good.

With a presence in 19 countries, working closely with local communities, and alongside its major software developer partners, Inetum supports organizations in their digital transformation challenges with proximity, flexibility, and responsibility. Driven by its purpose, Inetum champions a vision of technology that is useful and well-managed, capable of unlocking the full potential of organizations and society: “Let’s make tech right.”

In 2025, the group generated revenue of 2.2 billion euros.

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Job Description

• Perform source-to-target data mapping across all banking domains
• Analyze legacy banking systems and define field-level transformation, derivation, and lookup rules for migration to the target platform
• Facilitate workshops with client business SMEs, product owners, and core banking vendors to validate mapping logic and obtain sign-offs
• Ensure mapping coverage for regulatory and compliance fields to maintain reporting continuity
• Drive data profiling, quality assessment, and cleansing strategy to identify gaps, orphan records, and remediation needs
• Prepare mapping design; optionally write SQL transformations and create parametrization for DMT (Data Migration Tool)
• Define reconciliation rules based on business logic to ensure no data loss and correctness of transformation; support RBRO with financial reconciliation
• Define loading and transformation dependencies
• Support cutover planning, dry runs, and go-live execution, ensuring zero financial discrepancies post-migration
• Maintain mapping sheet and produce mapping status reports

Qualifications

• Understanding of banking products and processes
• Ability to discuss edge cases and exceptions with clients
• Understanding of basic data concepts: primary key, foreign key, reference data, master data, etc..
• SQL knowledge — optional but a strong plus

Additional Information

Benefits

• Full access to foreign language learning platform
• Personalized access to tech learning platforms
• Tailored workshops and trainings to sustain your growth
• Medical insurance
• Meal tickets
• Monthly budget to allocate on flexible benefit platform
• Access to 7 Card services
• Wellbeing activities and gatherings