Practice end-to-end data engineering pipelines the way they operate in production. Inspect Lakehouse schemas, execute transformation notebooks, debug incident scenarios, and master technical interview defense.
Foundational Medallion pipelines & interactive reference workspaces.
Interactive debugging workspace: identify common pipeline bugs in Bronze/Silver/Gold tiers and rebuild a resilient production Lakehouse.
Multi-system ETL pipelines with automated quality enforcement and incremental loading.
Medallion Lakehouse platform for reverse logistics, warranty claim adjudication, return fraud detection, and defect rate analytics.
End-to-end Medallion Lakehouse platform unifying multi-channel ad spend, clickstream touchpoints, and transaction conversions for multi-touch attribution (MTA) and ROAS modeling.
Enterprise Medallion Lakehouse platform unifying multi-tier ERP purchase orders, goods receipts, inspection telemetry, and AP invoices for 3-way matching and OTIF scoring.
Enterprise Workforce & Labor Cost Lakehouse harmonizing multi-facility timekeeping punches, resolving proximity duplicates, computing shift durations across midnight boundaries, and calculating true overtime labor costs.
Reconcile ACARS/OOOI gate events with flight schedules, attribute delays under DOT 15-minute rules, and isolate chronic station and tail bottlenecks.
AWS S3 and Apache Airflow smart-meter pipeline performing full-day cross-file interval deduplication, 15-minute outage-to-meter gap correlation, pending impact assessment gating, and Snowflake KPI serving.
Native Databricks Workflows and Scala Medallion pipeline standardizing multi-channel hotel reservations, bucketing cancellation lead times, exploding multi-night stays, and calculating audited ADR, Occupancy, and RevPAR metrics.
Airflow-orchestrated Databricks Medallion pipeline ingesting primary box office transactions and secondary resale feeds, window-deduplicating broker relistings, and evaluating turnstile attendance, no-show rates, and secondary markups.
Pure Snowflake ELT platform orchestrated by Apache Airflow and powered by Snowpipe auto-ingestion, resolving multi-system course ID crosswalks, tracking trailing engagement trends, and flagging at-risk students and ghost enrollments.
Complex streaming architectures, CDC reconciliation, SCD Type 2 & enterprise analytical marts.
High-scale multi-tier Lakehouse unifying batch warehouse snapshots and real-time carrier shipment streams with automated stockout alerts.
Enterprise Medallion Lakehouse platform delivering unified Customer 360, RFM segmentation, and real-time loyalty intelligence.
Enterprise automated multi-currency financial reconciliation, refund netting, 4-4-5 retail finance calendar, and automated Bronze-vs-Gold balance sheet audits.
Industrial IoT streaming pipeline combining continuous Event Hub telemetry, PLC downtime reason harmonization, MES production counts, and SCD2 machine recipes for real-time Overall Equipment Effectiveness (OEE).
Resolve patient identities with EMPI matching, reconcile 837 billed claims against 835 remittance data, and track point-in-time insurance coverage using SCD2.
Reconcile crew rosters against ACARS gate telemetry, compute cumulative duty hours and minimum rest, track SCD2 qualification currency, and attribute IROPS delays.
Reconcile multi-railroad interchange event logs across timestamp skews, compute calendar-day dwell proration, maintain SCD2 UMLER ownership, and automate per-diem invoice dispute auditing.
High-throughput transaction velocity analysis and automated fraud rule dispatching built entirely on Snowflake ELT and Airflow.
High-scale Call Detail Record (CDR) unification, network quality scoring, and customer churn prediction orchestrated by Airflow across Databricks and Snowflake.