Requirements
### Requirements
- Over 2 years of experience as a BI analyst / BI developer / data analytics engineer.
- Experience with web products and data in performance marketing.
- Experience with raw and partially processed data, including data validation and cleansing.
- Experience creating dashboards for business users.
- Experience with advertising platforms (Facebook Ads, Google Ads), including data extraction from ad accounts and understanding key metrics.
- Advanced SQL: window functions, CTE, query optimization.
- BigQuery: experience with large datasets, understanding cost optimization and partitioning.
- Tableau: extensive practical experience in creating interactive dashboards, calculated fields, and LOD expressions.
- Git/GitHub: version control, merge requests, code review.
- Basic understanding of ETL/ELT processes (AirFlow).
- Nice to have: Understanding of marketing attribution basics.
- Experience with payment system data (Stripe, PayPal).
- Experience with advertising platform APIs (Facebook Marketing API, Google Ads API).
- Airflow: writing and maintaining directed acyclic graphs (DAG).
- Basic Python for scripting and automation.
- Dbt.