Data Engineer: Role-specific scope
Screened for data ingestion, transformation, storage, orchestration, quality, lineage, access, reliability, and support for downstream users, with the boundary set by the employer's systems, delivery stage, and operating model. The evaluation connects SQL, Python, dbt to a concrete hiring responsibility.
Show how SQL, Python, dbt shaped one delivery decision. Which constraint mattered, and what did the candidate own?
Evidence check: Look for an artifact, test, configuration record, or operating measure that supports the account. Compare it with work such as technical product and platform teams.
Senior Data Engineer: Role-specific scope
Screened for data ingestion, transformation, storage, orchestration, quality, lineage, access, reliability, and support for downstream users, with the boundary set by the employer's systems, delivery stage, and operating model. The evaluation connects Airflow, Spark, Kafka to a concrete hiring responsibility.
Where did Senior Data Engineer work involving Airflow, Spark, Kafka fail or change direction? What evidence prompted the correction?
Evidence check: A useful answer names the failure signal, the candidate's decision, and the result. Certification alone does not establish project ownership.
ETL Engineer: Role-specific scope
Screened for data ingestion, transformation, storage, orchestration, quality, lineage, access, reliability, and support for downstream users, with the boundary set by the employer's systems, delivery stage, and operating model. The evaluation connects Data Warehouses, Data Lakehouses, data ingestion to a concrete hiring responsibility.
Explain the handoff and operating boundary for a project using Data Warehouses, Data Lakehouses, data ingestion. Who approved changes, monitored results, and supported the system?
Evidence check: Request documentation, controls, or production measures that distinguish direct ownership from observation or team-level credit.
Streaming Data Engineer: Ownership checkpoints
Screened for data ingestion, transformation, storage, orchestration, quality, lineage, access, reliability, and support for downstream users, with the boundary set by the employer's systems, delivery stage, and operating model. The evaluation connects transformation, storage, orchestration to a concrete hiring responsibility.
Which tradeoff would change the design of transformation, storage, orchestration for this hiring task: support contract, contract-to-hire, and permanent searches across the us and canada?
Evidence check: Score the response on technical judgment, stated assumptions, and evidence from comparable work rather than vocabulary coverage.