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Lead Data Engineer with 8+ years of experience across the Microsoft data stack, delivering end-to-end data platforms from stakeholder discovery to production support. Strong expertise in Databricks, Azure Data Factory, Microsoft Fabric, Spark/PySpark, Delta Lake (Medallion architecture), and dbt transformations. Experienced with Git-based workflows and full Dev/QA/Prod CI/CD using Azure DevOps, plus data quality, lineage, monitoring, and documentation. Comfortable joining new environments quickly and delivering value within the first weeks.…Lead Data Engineer with 8+ years of experience across the Microsoft data stack, delivering end-to-end data platforms from stakeholder discovery to production support. Strong expertise in Databricks, Azure Data Factory, Microsoft Fabric, Spark/PySpark, Delta Lake (Medallion architecture), and dbt transformations. Experienced with Git-based workflows and full Dev/QA/Prod CI/CD using Azure DevOps, plus data quality, lineage, monitoring, and documentation. Comfortable joining new environments quickly and delivering value within the first weeks.

ALPER OZDEMiR

Data Engineer, Software Engineer, Data Analyst, +1

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Lead Data Engineer with 8+ years of experience across the Microsoft data stack, delivering end-to-end data platforms from stakeholder discovery to production support. Strong expertise in Databricks, Azure Data Factory, Microsoft Fabric, Spark/PySpark, Delta Lake (Medallion architecture), and dbt transformations. Experienced with Git-based workflows and full Dev/QA/Prod CI/CD using Azure DevOps, plus data quality, lineage, monitoring, and documentation. Comfortable joining new environments quickly and delivering value within the first weeks.…Lead Data Engineer with 8+ years of experience across the Microsoft data stack, delivering end-to-end data platforms from stakeholder discovery to production support. Strong expertise in Databricks, Azure Data Factory, Microsoft Fabric, Spark/PySpark, Delta Lake (Medallion architecture), and dbt transformations. Experienced with Git-based workflows and full Dev/QA/Prod CI/CD using Azure DevOps, plus data quality, lineage, monitoring, and documentation. Comfortable joining new environments quickly and delivering value within the first weeks.

Available to hire

Lead Data Engineer with 8+ years of experience across the Microsoft data stack, delivering end-to-end data platforms from stakeholder discovery to production support. Strong expertise in Databricks, Azure Data Factory, Microsoft Fabric, Spark/PySpark, Delta Lake (Medallion architecture), and dbt transformations.

Experienced with Git-based workflows and full Dev/QA/Prod CI/CD using Azure DevOps, plus data quality, lineage, monitoring, and documentation. Comfortable joining new environments quickly and delivering value within the first weeks.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Beginner

Beginner

Language

English

Advanced

Turkish

Fluent

Work Experience

Data & BI Lead at Real Value Group

December 1, 2025 - Present

Lead data platform delivery on Microsoft Fabric for enterprise clients: architecture, pipeline development, deployment and production support. Build ingestion and transformation pipelines using PySpark notebooks, Fabric Data Pipelines and Azure Data Factory, including incremental loads and MERGE/upsert patterns into Delta tables with partitioning and schema-change handling. Design Medallion (Bronze/Silver/Gold) lakehouse architectures on OneLake with automated ingestion, data quality checks, lineage and documentation. Develop transformation layer with dbt (modular SQL models, tests and generated documentation). Run CI/CD via Azure DevOps and Fabric deployment pipelines with Git branching and automated promotion across Dev/QA/Prod. Integrate ERP, CRM, REST API and file-based sources with Python/PySpark, including monitoring and alerting for failures and refresh SLAs. Deliver analytics using Direct Lake semantic models and Power BI with advanced DAX. Mentor junior engineers through revie

Senior Data / BI Engineer at OMP

September 1, 2023 - November 30, 2025

Designed and delivered an end-to-end business-critical data platform: Azure Data Factory orchestration, Databricks/PySpark transformations, Blob Storage and Logic Apps used company-wide. Built and managed Databricks lakehouse architectures on the Medallion framework, integrating 500+ source tables with incremental processing and Delta optimization. Version-controlled pipelines, notebooks and SQL in Azure DevOps with branching, PR review and release pipelines before production deployment. Added monitoring and alerting to production pipelines to reduce incident frequency and improve resolution time. Managed 6+ concurrent projects across business domains, translating stakeholder requirements into ETL pipelines and dimensional data models. Tuned Spark workloads and job schedules; delivered curated Gold-layer models for downstream reporting and analytics.

Senior Business Intelligence Engineer at Alictus – SciPlay

October 1, 2021 - September 30, 2023

Led the migration of 40+ production data pipelines from on-premises to Azure without interrupting daily reporting. Built pipelines supporting 2M+ daily active users across 30+ digital products using Azure Data Factory (Dataflows), Azure Functions and Webhooks, plus 40+ scheduled Databricks notebooks and Azure SQL Database. Ingested raw data into Azure Data Lake via REST APIs and implemented daily ETL using SQL and Python notebooks; tuned Spark jobs and load schedules improving daily data availability by 3+ hours. Managed Databricks workflows and job clusters for daily production runs, including Delta optimization and failure handling.

Data & BI Consultant at Reckitt Benckiser

September 1, 2020 - October 31, 2021

Built a division's data platform from scratch as the only data profile: daily production pipelines using SQL and Azure Blob Storage, SSAS tabular models and reporting. Automated recurring data processes with Python and built the reporting layer on top with 500+ production DAX measures.

Supply Portfolio Analyst at L'Oréal Group

September 1, 2018 - September 30, 2020

Wrote SQL for data processing, manipulation and reporting, and built operational dashboards in an Agile/Scrum team.