Mathieu Lacastaigneratte

- Product Leadership: Architected and delivered a visual web application built with TypeScript and Vue.js from concept to production, achieving 2,000+ active users with focus on intuitive user experience and real-time interactions, and designed and implemented the company homepage and marketing site - Interactive Systems: Developed a custom DOM-based 2D graphics engine using TypeScript and SCSS with advanced user interaction patterns including drag-and-drop, multi-selection, contextual actions, camera movement, snapping, SVG linking, real-time visual feedback — similar to modern productivity tools - Cross-Platform Development: Designed and implemented a comprehensive mobile framework using responsive web technologies ensuring seamless user experience across desktop and mobile platforms with optimized touch interactions, and currently building a standalone Electron desktop application to provide native app experience with the same feature set - Advanced UX Systems: Designed and implemented an intuitive action-based undo/redo system with context awareness using complex state management patterns, enabling sophisticated user workflow management and supporting deep state reversibility - Monetization & Infrastructure: Implemented secure paid tier user accounts with file upload capabilities leveraging Cloudflare cloud services for scalable image storage and CDN delivery - Framework Development: - Created reusable TypeScript-based development frameworks for: - Dynamic context menus with intelligent positioning, dynamic content and event handling - Modal and floating window management systems with drag-and-resize capabilities - Complete hierarchical file system implementation with real-time updates - Data Management: Engineered robust data validation systems using MongoDB and wrote efficient TypeScript migration scripts for large-scale production database operations with zero downtime - Development: optimized performance achieving 20% faster app loading speed