Middle Data Engineer, Warsaw
- Рівень:
- middle
- Джерело:
- djinni.co
Що робити
- Develop and maintain ETL/ELT pipelines within your domain, following the team's established patterns and standards
- Work with data from APIs, third-party platforms, and internal sources; maintain existing API integrations (pagination, authentication, retries, rate limits)
- Write idempotent pipelines that are safe for reruns and backfills, and adapt them to changes in source data schemas
- Implement and maintain data quality checks — freshness, completeness, uniqueness, nulls, accepted values
- Detect and resolve issues (duplicates, gaps, delays) in your area, investigate root causes, and escalate complex or cross-domain cases to Senior/Lead
Що очікуємо
- 2–3+ years as a Data Engineer, Analytics Engineer, BI Engineer, or in a similar role
- Solid SQL: window functions, joins, deduplication, experience with large datasets
- Hands-on experience with a cloud data warehouse (BigQuery is a strong plus)
- Experience building or maintaining ETL/ELT pipelines — working within an existing architecture also counts
- Working proficiency in Python for data processing, simple API integrations, logging, and error handling
Що пропонуємо
- Experience with marketing platforms, CRM, tracking, or attribution systems
- Familiarity with BI tools (Looker Studio, Tableau, Power BI)
- Experience with high-volume event-level data
- Experience with Git
- Familiarity with GCP services such as Cloud Composer and Cloud Storage
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