Databases & Query Engines
Languages & Transformation
Reporting & Analytics
Orchestration, Cloud & Version Control
DWH Modernization · Oracle PostgreSQL Greenplum dbt Airflow PySpark
Türkiye Sigorta · closed source
Migrated an Oracle-based data warehouse and datamart environment to a Big Data platform and rebuilt the ETL layer from the ground up. Cut a 34-hour transfer window down to 1.5 hours, and an Oracle CDC process from 7 hours to 1.5 hours using dbt incremental models. Contributed to a PySpark reconciliation system that verified row-level accuracy across the migration.
ELT Pipelines & Layered Models · BigQuery Bruin Grafana Looker Vertex AI
Growdash · closed source
Building scalable ELT pipelines and L1–L4 layered data models on BigQuery, with incremental and full-refresh strategies chosen per data volume. Data quality validation running across platforms, real-time monitoring dashboards in Grafana, and sentiment analysis over ratings and reviews via Vertex AI.