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Spring 2025 · Mesh Foundry
Notebook that replays production skew events with anonymized partition keys so managers can see before/after AQE toggles.
Stack · PySpark · OpenTelemetry · Grafana
Artifact trail: Exported DAG cards + Grafana JSON
Winter 2024 · Lake Lathe
Declarative tests for bronze ingestion contracts; fails CI when schema drift exceeds agreed tolerance bands.
Stack · Delta Lake · Great Expectations · Spark SQL
Artifact trail: CI workflow snippet
Fall 2024 · Stream Sentry
Drop-in listener that tags stages with correlation IDs shared with downstream log drains—used by two employer sponsors.
Stack · Scala · Spark Listeners · Kafka
Artifact trail: Packaged JAR + README