Olorunfemi Davis
Senior Software Engineer (Backend) @Xprizo™
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WORK HISTORY
Senior Software Engineer (Backend) @Xprizo™
At Xprizo, a global payment technology provider, I lead backend and full-stack initiatives that power merchant payment services across international markets, including Malta, UAE, Kenya, and India. I manage core infrastructure and CI/CD pipelines on Azure, while overseeing feature development and codebase optimisation for scalability, security, and performance.A central focus of my role was driving the company’s PCI DSS compliance program, which I led end-to-end. This included writing and enforcing security policies, conducting secure coding workshops, hardening systems for secure card data handling, and running regular vulnerability assessments, resulting in successful certification.I’ve introduced API versioning and enhanced API security, while also setting company-wide coding standards. I collaborate daily with global teams, mentoring engineers, reviewing pull requests, and ensuring architectural consistency across systems. I play an active role in product planning, DevOps, R&D, and architectural upgrades.Key Achievements:* Spearheaded PCI DSS certification, enabling secure card processing and jurisdictional expansion* Boosted unit test coverage from ~35% to over 85% within the first 5 months* Reduced Azure cloud costs by 30% via infrastructure optimisation and automation* Migrated the entire codebase to.NET 8, modularised components and established an internal NuGet server to streamline component reuse across services* Contributed to R&D on improving logging, testing and CICD pipeline workflows* Earned formal recognition for impactful contributions to Xprizo’s technical evolution and business growth
EDUCATION
Abertay University
Master of Science, Computer Science with Software Engineering
Ekiti State University, Ado Ekiti, Nigeria.
Bachelor's degree, Mathematics
ABOUT OLORUNFEMI DAVIS
With over 8 years of experience, I specialise in architecting, building, and optimising secure, high-performance backend systems and web applications. My expertise spans C#.NET, ASP.NET Core, and a diverse range of cloud platforms, including Microsoft Azure, AWS, and Google Cloud (GCP). I thrive on solving complex technical challenges, leading impactful projects, and delivering robust solutions tailored to critical business needs. Beyond my technical skills, I am passionate about mentoring, fostering collaboration, and driving innovation within engineering teams. I aim to empower colleagues and ensure knowledge-sharing to deliver excellence consistently.
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