Hi, I'm Timi Olayinka.
Enterprise Data Architect and the founder of BellosData. Over the last 5+ years I've designed and delivered scalable data infrastructure for some of the UK's most recognised retail and e-commerce brands — turning raw, complex data into the reliable foundations that power real business growth.
My work sits at the intersection of technical precision and strategic thinking. Whether it's migrating a legacy warehouse to the cloud, building real-time pipelines, or establishing a governance framework your team can actually trust — I deliver solutions that are robust, future-ready, and built to last.
Enterprise Experience
UK's Leading Retailers & BrandsHolland & Barrett
UK Health & Wellness RetailEngineered the enterprise Redshift Data Warehouse end-to-end — from raw ingestion through to BI-ready application layers — using Kimball methodology and Medallion Architecture. Built SQL data models consolidating hundreds of disparate data sources into a single source of truth, and championed data governance frameworks that enabled trusted, managed self-service analytics across the business.
Boohoo Group
Global Fashion E-CommerceDesigned and delivered end-to-end data pipelines extracting from multiple supply chain systems into Google BigQuery, enabling real-time and batch analytics at scale. Led the cloud migration of legacy SQL Server and Oracle warehouses to GCP, engineering cloud-native solutions with continuous analytics for enterprise reporting across the Boohoo brand portfolio.
The Hut Group (THG)
Global D2C E-Commerce & LogisticsBuilt robust ETL pipelines unifying data from THG's AI-powered fulfilment systems (THG Ingenuity Fulfil) into a centralised Data Vault, enabling operational intelligence for global B2C logistics. Delivered advanced SQL data models and comprehensive Tableau reports directly consumed by C-suite stakeholders for strategic decision-making.
Skills & Stack
Certifications
Amazon Web Services
Amazon Web Services
DAMA UK Member
Python Institute
University of Kent
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