During October 2025, Mykhailo Humennyi developed a Payment Link Branding Configuration Schema within the tillhub/schemas repository, enabling merchants to customize shop names, colors, fonts, and logos for a more cohesive checkout experience. He focused on schema definition and configuration management using JavaScript, integrating the new schema into the base configuration to ensure consistent branding across payment links. This work established a technical foundation for future branding enhancements and improved merchant flexibility without introducing major bugs. The depth of the implementation demonstrated disciplined version control and thoughtful integration, addressing the need for scalable, merchant-driven branding in the payment workflow.