Olawale sobogunGod

Seasoned Senior Data Engineer, BI Developer, and Solution Architect consultant with 15+ years of experience across retail, energy, and government sectors. Specialises in designing and delivering end-to-end cloud-native data platforms on Azure Databricks, Delta Lake, Synapse, and Microsoft Fabric, combined with 10+ years of dedicated BI dashboard development across Power BI and Tableau. Expert in KPI management, reporting automation, compliance reporting frameworks, and data storytelling — translating complex operational and business requirements into measurable, data-driven insights for executive and cross-functional audiences.

Strong track record leading teams, governing data quality, and delivering scalable analytics solutions aligned to strategic business goals.

Senior Data Engineer (Contract) at Royal Ahold Delhaize (2025-08 – 2026-07)

• Designed and built enterprise-grade data pipelines for the SuperPlus loyalty analytics platform, processing ~240M tickets and ~9.2B scanned items using Azure Databricks, Delta Lake, PySpark, Python, and SQL.
• Developed and maintained Apache Airflow DAGs to orchestrate data-processing workflows, dependencies, scheduling, and operational execution across analytics pipelines.
• Used Claude Code and Model Context Protocol (MCP) as part of the engineering workflow to assist with code generation, debugging, refactoring, documentation, and investigation of complex data-pipeline changes.
• Worked hands-on with Python, PySpark, SQL, dbt, and Databricks for transformation, modelling, data-quality validation, performance optimization, and production support.
• Developed the loyalty aggregation pipeline using a Kimball star schema with 90+ Unity Catalog tables, including CF1-to-CF2 migration fixes achieving sales accuracy within 0.04%.
• Engineered SuperPlus Discount Analytics covering SAP promotions and personalized/mass offer (eDeals) classification across multiple discount types.
• Implemented customer subscription analytics with a 27-month historical backfill across customers_monthly and subscription_monthly datasets.
• Applied broadcast-join optimizations and incremental-loading strategies to reduce pipeline runtimes and avoid expensive full-DAG recomputations.
• Enforced modular coding standards, mandatory docstrings, parameterized job arguments, Ruff linting, code review, and GitHub Actions CI/CD.
• Configured Databricks Asset Bundles and managed DEV/ACC/PRD deployments using service-principal authentication and protected branch workflows.

Senior Data / Security Engineer (Contract) at Euroclear (2024-08 – 2025-07)

• Implemented and maintained role-based access control (RBAC) for Azure Data Lake, Synapse, and Databricks along with dbt using Azure AD security groups and managed identities.
• Integrated Microsoft EntraID with enterprise data services for centralized identity lifecycle management and federated access.
• Enforced data-level security and governed access to sensitive datasets via Unity Catalog and service principal policies.
• Architected and implemented cloud-native data platform using GCP, Azure Synapse Analytics and Databricks, processing 50TB+ of daily transactions across 12 global regions.
• Reduced ETL processing time by 65% through Delta Lake, dynamic partition pruning, and Spark optimization techniques.
• Led migration of 8PB legacy data warehouse to modern cloud architecture, maintaining 99.99% data accuracy while reducing operational costs by $12.1M annually.
• Designed real-time fraud detection pipeline processing 70K transactions/second using Azure Stream Analytics and Azure Functions.
• Implemented automated data quality framework with dbt and Great Expectations, achieving 98% test coverage across 1,500+ tables.
• Delivered compliance reporting dashboards on financial transaction data, supporting regulatory audit requirements and operational performance monitoring for senior stakeholders.
• Created Power BI reports to analyze and visualize financial processes and KPIs for cross -functional teams.
• Created disaster recovery solution with geo-redundant storage and automated failover, achieving RPO of 15 minutes and RTO of 1 hour.

Senior Data Engineer (Contract – Part-Time) at Sympa Oy (2024-10 – 2025-02)

• Led data integration and transformation initiatives connecting HubSpot CRM data to analytical platforms through comprehensive ETL workflows.
• Architected data pipeline from HubSpot to SharePoint using PowerApps connectors, then implemented dbt transformations for data quality and business logic applications.
• Developed and maintained dbt models and data transformation workflows to process HubSpot sales and marketing data into analytics-ready datasets.
• Built comprehensive Power BI reporting suite with data storytelling techniques, delivering actionable KPI dashboards on sales performance, lead conversion, and customer engagement metrics to business stakeholders.
• Automated reporting workflows and refreshschedules across the full data stack, reducing manual reporting effort and improving data accessibility for non-technical users.
• Utilized Databricks for advanced data processing and collaborated with Microsoft Fabric for enterprise-scale data orchestration and governance.
• Managed data governance and quality assurance processes ensuring accurate data flow from source systems through transformation layers to end-user reporting.
• Collaborated with sales and marketing teams to gather reporting requirements, translate business objectives into measurable KPI frameworks, and deliver data-driven insights.

Senior Data Modeler (Contract) at BE-TERNA (2023-09 – 2024-04)

• Supported data architectureand engineering projects focusing on ETL processes, Data Vault 2.0 modeling, and data migration from Dynamics 365 to Azure Data Lake Gen2 processed via Databricks.
• Developed Azure Data Factory pipelines for data migration to Azure Clou, GCP and Snowflake.
• Designed and implemented Power BI reports and standard data models in D365; created Tableau reports for the marketing department using Microsoft Fabric.
• Implemented and configured Delta Lake and Delta tables for optimized data storage and processing.
• Configured Databricks Unity Catalog for data governance and access control.
• Handled incident management and service requests in line with ITIL standards.

Technical Lead, SAS Team (Contract) at Sodexo (2022-08 – 2023-08)

• Migrated on-premises databases to Azure Data Lake using Azure Bicep and Terraform.
• Developed and maintained operational performance dashboards, KPIs, and benchmarks using Power BI and Tableau, applying data storytelling techniques to communicate insights to non-technical stakeholders.
• Automated reporting workflows using ADF pipelines and optimized stored procedures, reducing manual reporting effort and improving data refresh SLAs.
• Implemented proactive reporting monitoring and data quality checks to identify and resolve pipeline and data issues before they impacted business users.
• Designed Power App interfaces and managed Power BI workspace access and governance.
• Created data governance infrastructure to enforce data quality and security standards.
• Configured Databricks Autoloader and streamed data into Snowflake; configured Delta tables for enhanced data reliability.

Senior Data Engineer Consultant (Contract) at Allianz AG (2021-03 – 2022-10)

• Architected end-to-end data solutions focusing on data warehousing, Data Vault 2.0, and cloud data lake technologies on Azure.
• Developed Azure Data Factory pipelines for data migration to Azure Cloud and Snowflake; utilized ETL for data transfer and processed data in Azure Databricks.
• Configured IBM Maximo connectors for automated workflows and live data queries in Power BI; enhanced data visualization through deployment of Tableau and other BI tools.
• Led the transition to big data technologies and cloud data ecosystems, optimizing data storage and processing.
• Configured Logic App to extract data from emails and load into the database.

Senior Data Engineer / Data Architect Consultant (Contract) at Vattenfall AB Sweden (2020-01 – 2021-02)

• Developed data integration systems for marketing analytics; created and managed ADF pipelines and data models for Azure Data Lake and Synapse.
• DesignedPower BI reports to generate deep analytical insights; applied data storytelling to present findings to cross-functional business stakeholders.
• Designed and implemented robust data architecture using Data Vault 2.0 (Hubs, Links, Satellites, PIT tables) for large-scale enterprise systems.
• Configured and optimized Delta Lake and Delta tables for high-performance data processing; managed data governance using Unity Catalog.
• Collaborated with cross-functional teams to translate business requirements into measurable data models and reporting frameworks aligned to business objectives.
• Implemented and managed CI/CD pipelines; utilized Terraform and ARM templates for infrastructure management.

Team Lead / Senior BI Consultant at Altran/Capgemini GmbH (2018-07 – 2019-12)

• Led and mentored the Data Engineering team; developed ETL/ELT infrastructure with big data technologies.
• Created scalable BI and data solutions and contributed to architectural decisions across enterprise clients.

Data Warehouse / ETL Developer Consultant at TheHut Group (2015-02 – 2018-06)

• Designed and developed data warehouses using SSDT and SQL Server; created SSIS packages and Power BI reports.
• Improved data quality and implemented ETL procedures for analytical insights.

Business Intelligence Consultant at Seimetrix (2014-02 – 2015-01)

• Developed BI Data Warehouse solutions and SSIS packages; created OLAP cubes, dimensions, and SSAS models.
• Deployed Power BI reports to SharePoint; managed BI incidents via ITIL processes.

Junior Software / BI Engineer at Nokia (2008-03 – 2014-01)

• Maintained core ASP.NET/MVC platforms and SQL database administration.
• Developed BI frameworks and conducted performance tuning.

Bachelor’s in Systems Engineering (2004)

Bachelor’s in Business Information Technology (2012)

Master’s in Software Development – Full Stack (2022)