Middle Data Engineer (GCP, BigQuery) at DOU Polska

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