About Gabriel
- Google Cloud Certified – Professional Data Engineer, end-to-end data engineering expertise on GCP
- Experienced in Azure Databricks, ADF, Python, SQL, and modern ETL/ELT.
- Skilled in Medallion Architecture and Delta Lake (ACID, MERGE, schema evolution, OPTIMIZE/VACUUM) for
- Strong background in batch/stream processing, predictive analytics, and ML workflows.
- Proven ability to deliver secure, high-performance, cost-efficient data platforms across Azure, AWS, and GCP
Romanian
Native or bilingual
English
Native or bilingual
Experience
- Banking IndustrySenior Data EngineerBANKING AND INSURANCEMay 2024 - Today (2 years and 3 months)Bukarest, Romania
- Engineered Python/PySpark ETL pipelines for multiple sources, increasing throughput ~20%
- Refactored cloud data architectures (Azure/GCP), reducing costs 15–25%.• Implemented governance, cataloging, and profiling frameworks (GDPR/CCPA), across critical datasets.
- Enabled ML pipelines, secure Vertex AI workflows for feature engineering, model serving, and threat detection.
- Waste Management & Recycling IndustrySenior Data EngineerENVIRONMENTALJune 2025 - November 2025 (5 months)Bukarest, Romania
- Built Delta Lake pipelines with ACID guarantees, schema evolution, and MERGE upserts for 1TB+ daily workloads, improving performance with OPTIMIZE (Z-ORDER) and automated VACUUM policies.
- Designed scalable architectures across Delta Lake, ADLS, and Synapse, delivering 30–40% performance gains, and developed Spark/PySpark workloads that cut ETL runtimes by up to 50%.
- Implemented NoSQL models in Cosmos DB (25%+ query improvement) and automated data quality, governance, and CI/CD workflows to increase platform reliability.
- ING HubSenior Big Data EngineerBANKING AND INSURANCESeptember 2023 - May 2024 (8 months)Bukarest, Romania
- Modernized Databricks & ADF pipelines with Medallion Architecture, improving efficiency (~15-25%).
- Built SQL Bronze/Silver/Gold tables to consolidate data, reducing redundancy (~30-40%).
- Applied Unity Catalog for governance, lineage, and quality, enhancing data trust.
- Automated ETL and orchestration with Python, SQL, APIs, and Azure DevOps.
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