Via Transportation Data Engineer Interview Questions

The questions to prepare for a Via Transportation Data Engineer interview. Questions from real interview reports rank first. Updated weekly.

Fault-Tolerant Data Warehouse

Hard

Tests architecture decisions for resilience, recovery, and consistent analytics under failure.

data warehousefault tolerance

Via Transportation

Partitioning and Indexing Strategy

Hard

Tests ability to balance cost and latency through physical data layout and access patterns.

indexing

Via Transportation

Refactoring Legacy Pipelines

Medium

Tests practical experience improving pipeline performance while managing risk and correctness.

refactoring

Via Transportation

Backfilling After Failures

Medium

Tests operational recovery and correctness strategies for historical data repair.

pipeline failuredata integrityBackfilling

Via Transportation

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Production dbt Best Practices

Medium

Tests production-grade dbt practices including testing, documentation, and deployment workflows.

best practicesproduction

Via Transportation

Optimizing Query Performance

Hard

Tests performance tuning skills including indexing, partitioning, and query plan optimization.

performancequery optimization

Via Transportation

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