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BULLIT SYSTEMS

Data developer

BULLIT SYSTEMS
Luxembourg · Full-time · Entry

Responsibilities

  • Design, build, and maintain Fivetran-based ingestion pipelines for multiple data sources.
  • Develop and optimize ETL workflows, including transformations and data quality checks.
  • Write efficient Python scripts for data processing, automation, and custom ETL logic.
  • Troubleshoot ingestion failures, data mapping issues, and performance bottlenecks.
  • Work closely with analytics, BI, and platform teams to deliver clean, harmonized data.
  • Implement best practices for logging, monitoring, and pipeline governance.
  • Support continuous improvements in data processes and architecture.



Required Skillset

  • Strong hands-on experience with Fivetran connectors, schema handling, and sync management.
  • Solid understanding of ETL concepts, data modeling, and transformation logic.
  • Proficiency in Python (pandas, logging, error handling, file processing).
  • Experience working with cloud data warehouses (Snowflake/BigQuery/Redshift/Azure DW).
  • Knowledge of SQL for debugging and validating ingested data.
  • Ability to analyze data issues and propose scalable solutions.

  • Key Skills

    Ranked by relevance

    cloud sql etl
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    Posted
    Jan 27, 2026
    Type
    Full-time
    Level
    Entry
    Location
    Luxembourg

    Industries

    Categories

    Information Technology

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