Samuel Owolabi is a Senior Software Engineer with over 8 years of experience building software across fintech, Web3, and SaaS, from backend systems and cloud infrastructure to AI-powered products.

He is a Senior Software Engineer and Founding Engineer at BudPay, a top fintech company in Africa, where he helped build the payment infrastructure businesses use to move money across the continent. Previously, he worked on Inscribable, a Bitcoin and Ordinals Web3 platform.
He holds AWS Solutions Architect Associate and AWS Certified Developer certifications.

Samuel gives back to the industry through open source, writing, and mentoring. He created RagRails, an open source memory layer and infrastructure for AI agents. His articles appear in top publications like In Plain English, and he runs a Substack on AI engineering, system design, and cloud architecture.
On ADPList, he was named a Top 10 Systems Design Mentor for April to June 2026, helping engineers grow their system design skills and careers.