David Osseo-asare

As Lead Software Engineer at Mastercard, I architected and delivered high-scale, secure backend systems for data-driven financial products. I led modernization efforts across CI/CD pipelines, API infrastructure, and GDPR/SOC 2 compliance workflows — ensuring regulatory readiness and platform resilience. My work supported millions of transactions while improving developer velocity, system observability, and fault tolerance across multiple teams. I collaborated cross-functionally with product, security, and DevOps to drive technical strategy and execution in a regulated, high-performance environment.

At AND Digital, I led cross-functional teams to deliver AI-driven forecasting tools and enterprise web platforms for high-profile clients. I was responsible for system architecture, data pipeline design, and backend scalability — helping businesses turn raw data into actionable insights. I played a key role in client engagement, technical strategy, and mentoring engineers, while also implementing CI/CD workflows, cloud-native infrastructure, and end-to-end delivery processes across agile teams.

At Vodafone, I served as Technical Lead and Architect across multiple digital transformation initiatives, including the Checkout and Digital Channels platforms. I led the design and implementation of scalable, customer-facing systems, modernized legacy infrastructure, and improved reliability across payment, identity, and content delivery services. I introduced CI/CD practices, mentored cross-functional teams, and drove adoption of microservices, API-first design, and Elasticsearch to improve performance and time-to-market for global products.