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Data Engineer - Data Quality & Testing (Mid / Regular)

Poland - Warsaw - ASEC💼 Full-time🗓 2026-06-10 → 2026-07-31

Core

Building and maintaining ETL/ELT pipelines, implementing data quality checks, and embedding automated testing into data workflows.

Role type

Mid-level Data Engineer (Data Quality & Testing)

Builds

Reliable data solutions and automated testing frameworks for data pipelines

Domain

Data Engineering, Data Quality, Cloud Data Warehousing

Deliverable

production ML models | product features | dashboards & analysis

Required skills

SQL, Data Warehousing concepts, ETL/ELT processes, Data Quality checks, Automated testing, CI/CD processes

Preferred skills

dbt, Python (PyTest/PySpark), Cloud platforms (Azure/AWS/GCP)

Technologies

Snowflake, Redshift, dbt, PyTest, PySpark, Azure, AWS, GCP

Responsibilities

Building and maintaining ETL/ELT pipelines, Writing SQL queries and supporting data modelling, Supporting implementation of data quality checks, Helping embed automated testing into data pipelines and CI/CD, Supporting different types of testing (functional, integration, data validation), Creating and maintaining test cases and scenarios

Seniority

Mid-level, hands-on IC

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