Victor Shcherbakov enhanced the factorial-one repository by delivering two user-focused features centered on UI clarity and metric visualization. He introduced visual placeholders in OneDataCollection summary tables to clearly indicate missing values, reducing ambiguity for end users. For KPI dashboards, Victor developed a compound value renderer that displays multi-segment metrics—such as text, numbers, amounts, and percentages—with customizable separators and semantic tones. His work leveraged React, TypeScript, and UI/UX design principles, and included new components, type definitions, and Storybook documentation. These contributions improved dashboard maintainability, enabled faster feature iteration, and established a more consistent, component-driven design system for the project.