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Data Quality Developer

Softwareentwickler • Vor Ort • Vollzeit • Ungarn Pécs, Ungarn

At ALDI you build and run data quality checks and monitors across master, transactional and reporting data. Drawing on your SQL and Python skills, you integrate quality monitoring into the full lifecycle of the data pipelines.

Stack

Responsibilities

  • ▹Implement data quality checks across multiple data domains, including master data, transactional data, data in transit, reconciliation, and analytical/reporting data
  • ▹Build and maintain Table Monitors to detect pipeline delays/breakages and data health issues (freshness, volume expectations, schema changes)
  • ▹Build and maintain Metric Monitors to identify anomalies in key statistical/business KPIs and to run cross-system comparisons and reconciliation while validating agreed tolerances
  • ▹Build and maintain Validation Monitors to identify bad individual rows and enforce business logic (custom SQL validations, row-level business rules)
  • ▹Build and maintain Query Performance Monitors to detect inefficient queries that increase compute costs or risk timeouts
  • ▹Integrate data quality monitoring into the data pipeline / data product lifecycle (setup, deployment, ongoing operations)
  • ▹Collaborate with data engineers and analytics teams to investigate data quality incidents, perform root-cause analysis and implement preventive fixes
  • ▹Document the implemented checks and monitors, including intended meaning, owners and guidance on interpreting alerts

Requirements

  • ▹Good knowledge of data management, data quality and data architecture
  • ▹Practical experience implementing data quality rules/checks and operating quality monitoring solutions for structured data
  • ▹Strong SQL and Python skills
  • ▹Understanding of data quality dimensions (completeness, correctness/accuracy, consistency, uniqueness, validity, timeliness) and how to translate them into measurable checks
  • ▹Familiarity with data-in-transit monitoring and reconciliation patterns across systems
  • ▹Strong collaboration and communication skills to work with multiple stakeholders (data engineering, data product, analytics/reporting)
  • ▹Good command of English (upper-intermediate level or higher)
  • ▹Ability to work in an agile environment

Nice to have

  • ▹Background in data engineering environments: data lake/warehouse, pipeline orchestration, CI/CD for data/pipeline changes
  • ▹Experience with data quality tooling/platforms, e.g. Syniti or Monte Carlo
  • ▹Experience with SAP and/or integration architecture

Soft skills

CollaborationCommunicationAgile mindset

What we offer

  • ▹A constantly growing organization and increasing opportunities
  • ▹Secure, long-term job opportunity
  • ▹Varied and engaging job responsibilities
  • ▹Outstanding salary
  • ▹Flexible work arrangements
  • ▹Home office possibility
Languages: Angol: felső-középfok vagy magasabb

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