MentorPass Data Engineer Interview Questions
The questions to prepare for a MentorPass Data Engineer interview. Questions from real interview reports rank first. Updated daily.
Approach for managing lineage, access control, and governed data usage in an AI pipeline with Unity Catalog.
Conceptual pipeline question on Delta Lake and how it differs from plain Parquet files in data engineering workflows.
Design a streaming pipeline that can absorb late-arriving events while keeping aggregates correct and downstream tables stable.
Compare star and snowflake schemas for warehouse design, including trade-offs in normalization, query simplicity, and analytics performance.
Tests your ability to model historical user state changes for analytics and reporting.
Tests your ability to design physical storage strategies for high-performance queries at massive scale.
Aggregate settled payment activity by merchant and month while demonstrating a reporting-ready fact and dimension model.
Zoom Video CommunicationsIdentify Revolut merchants with high payment failure rates and report related support-resolution metrics.
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Tests performance tuning skills for PySpark joins under skew at scale.
Tests your ability to apply privacy, risk, and security controls to AI data pipelines at MentorPass.