Manuel Enrique Salgado Toledo
Experience Technology Engineer
Professional profile
Senior Frontend Engineer with 6+ years of experience building scalable React and TypeScript applications , specializing in modular architectures , performance optimization , and AI integration for top-tier clients
Work experience
Led frontend architecture, reusable UI components, E2E/unit testing (Jest, Cypress), CI/CD, and collaborated with UX/compliance for maintainable React code. Improved Lighthouse scores via code splitting and optimization.
Major achievementArchitected modular React 18 + TypeScript component library adopted across 6 products, cutting feature delivery time by ~30%. Owned feature lifecycle, improved Core Web Vitals, and ensured zero critical incidents.
Developed high-availability web apps, implemented real-time updates with WebSockets, optimized performance with code splitting/lazy loading, and shipped features in agile squads.
Major achievementDelivered React + TypeScript apps for Disney Parks, serving millions daily. Built real-time WebSocket features and improved load times as senior JavaScript developer.
Migrated large codebase, established global state management, improved data consistency, and enabled stable continuous deployment with Jest + Cypress.
Major achievementLed Angular migration (v8→11) with zero downtime, implemented strict TypeScript, NgRx state management, and automated test coverage.
Education experience
Sena | Técnico/Tecnólogo
