Senior Python Data Engineer

Quick Facts

• Role: Python Data Engineer
• Work mode/location: Hybrid, Warsaw

Description

Work on Python-based projects including data warehouses and systems processing very large volumes of information. Co-create a critical banking application responsible for revenues management and stock reconciliation in a multi-cloud environment (AWS and GCP). Grow your capabilities in data, data integration, and database-focused solutions.

Responsibilities

• Develop and maintain Python-driven data processing systems
• Build and evolve ETL/ELT data pipelines
• Create and optimize PostgreSQL queries for data analysis and performance
• Diagnose data processing issues and keep production solutions stable

Requirements

• Minimum 5 years of commercial experience in a Python/Data-related role
• Strong Python experience in building and extending applications and workflows
• Commercial experience with Pandas for data processing, transformation, and analysis
• Experience processing very large datasets (billions of records, terabytes)
• Ability to write efficient, scalable Python and optimize processing
• Hands-on ETL/ELT experience in Python
• Practical SQL knowledge with PostgreSQL
• Ability to write and optimize SQL queries and analyze performance problems
• Basic/good knowledge of partitioning and working with large tables
• Ability to diagnose data processing issues and identify root causes across systems/sources
• Ability to independently troubleshoot and maintain production solutions
• English proficiency (B2/C1)

Benefits

• Work on modern technologies and market trends
• Competitive compensation
• Social benefits: medical care, insurance, sports card
• Friendly, supportive working atmosphere
• Professional growth in Data, data integration, and database solutions