Data Mapping Engineer

4 days ago

London Area, United Kingdom Data Inc Full time

Title: Senior Data Mapping Engineer – Wealth Platform Migration

Location: London / Hybrid

Engagement: Fixed Term Contract or PAYE Contract

Sector: Financial Services / Wealth Management

Role Overview: We are seeking a senior, hands-on Data Mapping Engineer to lead a greenfield data migration mapping initiative for a large-scale wealth platform transformation.

This role sits at the heart of a complex legacy-to-modern migration, requiring deep expertise in source-to-target data mapping, object modelling, and stakeholder alignment. The target platform is still evolving, making this a role for someone comfortable working where structures, rules, and assumptions must be interpreted and shaped.

Key Responsibilities:

  • Lead the definition and documentation of source and target object models and their alignment
  • Own and produce clear, developer-ready mapping specifications for business sign-off
  • Work closely with business SMEs, data architects, and technology teams to resolve mapping ambiguity
  • Drive decisions on golden source, structure, and data interpretation
  • Support defect triage and root cause analysis related to mapping issues
  • Maintain robust version control and change rationale across mapping artefacts
  • Lead workshops and facilitate alignment across technical and non-technical stakeholders
  • Support ETL development and testing teams by clarifying mapping logic and assumptions

Required Experience:

  • Proven experience leading data mapping for large-scale platform migrations
  • Strong data modelling and object modelling background
  • Experience working with legacy datasets spanning multiple decades
  • Comfortable operating where target platforms are still being built or refined
  • Strong stakeholder management skills with the ability to drive decisions
  • Confident SQL user for data profiling and validation
  • Wealth management platform experience highly desirable
  • Avaloq experience advantageous

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