Middle Data Engineer (GCP, BigQuery) at DOU Polska
Posted
Summary
Data engineer building and evolving Appstero's BigQuery-based analytics warehouse in Warsaw — setting up pipelines from product and marketing sources and transforming raw data into analyst-friendly datasets using Python, advanced SQL and GCP.
Appstero is building out its analytics infrastructure in Warsaw, growing a BigQuery-based data warehouse that powers product and marketing decisions.
Обов’язки
- Build and evolve the analytics warehouse on BigQuery
- Set up data pipelines from product and marketing sources
- Transform raw data into analyst-friendly datasets
- Collaborate with product, marketing and analytics stakeholders
Вимоги
- 2+ years of data engineering or analytics engineering experience
- Production-level Python for ETL/ELT development
- Hands-on GCP experience (BigQuery, Cloud Functions, Cloud Storage)
- Advanced SQL including window functions and query optimization
- Understanding of data warehouse architecture and pipeline design patterns
- API integration experience
- Git and code review proficiency
- Strong communication with non-technical stakeholders
Буде плюсом
- Familiarity with mobile attribution tools (AppsFlyer, Adjust, Amplitude, Mixpanel)
- BI tool experience (Looker Studio, Metabase, Tableau, Power BI)
- Terraform / IaC for GCP
- CDC and streaming technologies (Pub/Sub, Dataflow)
Що пропонуємо
- Hybrid work from a Warsaw office
- Team offsites and events
- Free lunch on office days
- Startup culture with minimal bureaucracy