Kabiru Haruna

Led front-end development for a distributed awards platform delivered via web views, iframes, and native mobile bridges. Built a secure, embeddable architecture using CSP enforcement, origin validation after postMessage communication, and sandboxed merchant integrations. Developed Stripe Elements payment flows with secure server-side token handling, and implemented a card-linking system using VGS Collect for PCI-compliant tokenization and workflow tracking. Delivered scalable React + TypeScript UI systems supporting multi-tenant integrations and improved performance through code-splitting, render optimization, and bundle reduction. Worked on testing and CI/CD to ensure reliable releases, and partnered with engineers, product, and design teams to ship impact at scale.

Owned front-end architecture within a large micro-frontend ecosystem powering payment dispute and refund workflows, including fraud prevention initiatives that strengthened customer trust. Built routing/UX components to improve transaction success by optimizing payment provider selection based on card type, geography, and availability. Improved front-end performance by ~30% via code-splitting, render optimization, and bundle reduction. Integrated FullStory analytics for product observability and user behavior tracking. Maintained core payment SDK libraries used by global merchants for checkout and dispute flows, collaborating with multiple teams to standardize front-end architecture and improve system scalability.

Led front-end engineering for a consumer insights SaaS platform focused on surveys, feedback, and analytics workflows. Owned the architecture and implementation of scalable UI systems for structured data collection and dashboard reporting. Defined front-end standards, component patterns, and reusable design systems. Collaborated with product and design teams to deliver insight-driven user experiences.