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Data Engineer

Tandem Interim
Dubai, UAE
Contract
Onsite
Discovered 5 days ago
Power BIPower BI data modellingDAXPower Query/MExcelPython
Free

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Work arrangement

  • The stated location is Dubai.
  • Standard workdays are Monday through Friday, with standard hours from 9am to 5pm.

Engagement and role

The engagement is full-time with a three-month initial contract.

The role requires five or more years of hands-on experience across data, controls, and Power BI.

The objective is to make critical recurring reports trustworthy and repeatable while establishing lean data ownership and quality controls.

The approach emphasizes controlled extracts and repeatable transformation logic rather than building an enterprise data platform.

Expected deliverables

  • Produce a critical-data-element register, business glossary, ownership matrix, and source-of-truth documentation.
  • Document data-quality rules covering completeness, validity, allowed values, duplicates, thresholds, severity, ownership, and remediation.
  • Inventory recurring reports and narrow the scope to two or three reports based on value, effort, and feasibility.
  • Create controlled XLSX or CSV extracts with repeatable Power Query or Python logic, record counts, control totals, error logging, archiving, and versioning.
  • Deliver two or three production-quality Power BI or equivalent reports with governed KPI definitions, semantic models, DAX, access controls, and refresh processes.
  • Prepare runbooks, data dictionaries, and test evidence for handover to a lean internal team.

Key responsibilities

  • Identify reports, decisions, and processes exposed to unreliable or manually assembled data and profile the underlying extracts.
  • Resolve conflicting KPI definitions with business owners before building and document definitions, owners, exceptions, and limitations.
  • Build resilient transformations for inconsistent file extracts with changing headers, column order, formats, and incomplete data.
  • Reconcile outputs against source reports and control totals and surface unresolved breaks.
  • Build and release semantic models, measures, drill paths, and visuals with proportionate refresh and role-based access.
  • Work with operations, finance, investments, client teams, and vendors to establish extract, review, and remediation routines.

Must-have experience

  • Production-standard Power BI experience covering data modelling, DAX, refresh configuration, row-level security, and workspace or access management.
  • Strong Power Query/M and Excel skills, working Python and pandas skills, and practical SQL for read-only extraction and validation.
  • Exposure to GCP data reporting, including Looker or BigQuery.
  • Experience delivering reliable reporting without depending on a warehouse or modern cloud data stack.
  • End-to-end experience setting up a reporting platform or layer using Power BI, GCP, or an equivalent solution.
  • Practical data governance or MDM experience, including CDE registers, glossaries, ownership matrices, or data-quality rulebooks.
  • Strong reconciliation, control-total, exception-management, and remediation-workflow capability.
  • Confidence facilitating metric-definition decisions and producing documentation for non-specialist owners.

Preferred experience

  • KSA or GCC delivery experience and familiarity with regulated data residency and privacy boundaries are advantageous.
  • Asset management, wealth management, fund administration, or investment-reporting experience is advantageous.
  • Exposure to eFront, Bloomberg, Oracle ERP, or comparable portfolio, market-data, or finance systems is advantageous.
  • Arabic reporting or bilingual and right-to-left layout experience is advantageous.

Role scope

The role is not a cloud data-engineering role or a pure dashboard-design role; file-based transformation, governance, reconciliation, and handover are core responsibilities.

Building a data lake, warehouse, lakehouse, real-time pipelines, enterprise MDM or catalogue tooling, broad source-system remediation, and unrestricted self-service are out of scope.

Azure Synapse, Azure Data Factory, Microsoft Fabric, Azure ML, Databricks, Snowflake, dbt, and Airflow or Kafka are not screening requirements, though they may be considered a plus.

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