Jaswanth Pallavolu

Canvas Graphics Editor

• Built a framework-agnostic graphics editor using HTML5 Canvas and TypeScript, implementing a retained-mode scene graph with live-preview rendering for rectangles, ellipses, and lines • Engineered advanced editing capabilities including selection, drag-and-drop, resize/rotate, grouping, layer management, and undo/redo using the Command pattern, state-machine-driven interactions, and event-driven architecture • Developed a full-stack application with Next.js, Express.js, Prisma, and PostgreSQL, exposing REST APIs and integrating server state with TanStack Query (React Query)