Python Data Engineer - Hybrid (Warsaw) - Pipelines

Explore Group; Województwo mazowieckie; Hybrid; PLN 180.000 - 260.000; Vollzeit

Zusammenfassung

Explore Group in Warsaw, Poland, is expanding its data engineering team in a hybrid setup with weekly office visits. The role focuses on building and maintaining data pipelines and high-scale processing for assets worth trillions of euros.

Junior level requires 1–2 years of experience with Python and SQL, while Senior level demands 3–5 years and deep SQL/performance expertise. A BSc/Inżynier in CS is required. English skills at B1/B2 for junior and fluent for senior.

Qualifikationen

• 1–2 years of commercial software or data engineering experience for junior level; strong Python and SQL skills.
• 3–5 years of commercial experience with expert-level SQL and enterprise-scale performance tuning for senior level.
• Bachelor of Science in Computer Science, Software Engineering, or related technical discipline.

Aufgaben

• Build and maintain robust data pipelines and automated processing services using Python and relational databases.
• Senior level: lead SQL optimization, indexing, execution plan tuning, and performance profiling across large tables.
• Integrate data frameworks to streamline ingestion, transformations, and transaction fee logic.
• Collaborate with distributed engineering and infrastructure teams across Europe in a hybrid structure.

Kenntnisse

Python

SQL

PostgreSQL

Data pipelines

Polars

English

Ausbildung

BSc / Inżynier in CS

Tools

Polars

Jobbeschreibung

Explore Group in Warsaw, Poland, is expanding its data engineering team in a hybrid setup with weekly office visits. The role focuses on building and maintaining data pipelines and high-scale processing for assets worth trillions of euros.

Junior level requires 1–2 years of experience with Python and SQL, while Senior level demands 3–5 years and deep SQL/performance expertise. A BSc/Inżynier in CS is required. English skills at B1/B2 for junior and fluent for senior.