Strong Python programming experience (3+ years)
Advanced proficiency with pandas for data manipulation and analysis
Experience designing and maintaining production ETL workflows
Solid understanding of data modeling concepts and techniques
Familiarity with SQL and relational database concepts
Version control systems (Git) and collaborative development practices Preferred Qualifications:
Preferred Qualifications: Experience with Polars for high-performance data processing
Familiarity with DuckDB for analytical query processing
Knowledge of cloud-based data platforms (AWS, GCP, or Azure)
Experience with orchestration tools like Airflow, Luigi, or Dagster
Understanding of data governance and compliance requirements
Contributions to open-source data projects
What Makes You Successful: Problem-solving mindset with attention to detail
Strong communication skills to explain technical concepts clearly
Commitment to code quality and testing practices Ability to balance competing priorities in a fast-paced workplace

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📌 Python ETL Data Engineer (Ontario)
🏢 apptoza
📍 Ontario