Data QA Engineer
- Джерело:
- djinni.co
Що робити
- Design, implement, and maintain automated test suites for data pipelines and transformations (Python + testing frameworks)
- Write and execute complex SQL queries to validate data integrity across RDS and OLAP systems
- Trace data lineages to identify root causes of data quality issues across multiple services and teams
- Perform API and backend testing to verify data correctness at ingestion and transformation layers
- Collaborate with engineers across teams to define testability requirements and data contracts
Що очікуємо
- 3+ years of commercial experience in a data QA or similar role
- Strong hands-on experience with Linux and SQL on RDS databases
- Deep practical knowledge of both OLAP and OLTP systems and their differences
- Proven ability to write and execute complex SQL queries for data validation
- Experience tracing data lineages in multi-system environments
Що пропонуємо
- Experience with data warehousing tools (e.g., Snowflake, BigQuery, Redshift, dbt)
- Familiarity with data observability or monitoring platforms (e.g., Monte Carlo, Great Expectations, dbt tests)
- Exposure to streaming data platforms such as Kafka or Kinesis
- Understanding of CI/CD pipelines and integrating data tests into deployment workflows
- Experience with cloud infrastructure (AWS, GCP, or Azure) in the context of data engineering
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