David Cornejo
About
Frontend Developer with 3+ years of experience building scalable web and mobile applications using TypeScript and modern full-stack technologies. Experienced in real-time applications, legacy system modernization, cross-platform development, and backend integration with strong focus on performance and maintainability
Experience
Palisades Pups
Full Stack Engineer
Dec 2022 - Present
- Develop an internal attendance management platform using CodeIgniter and MySQL, replacing manual and paper based processes
- Redesign the company's outdated business website with HTML, CSS, and JavaScript, improving usability and brand presentation
- Build a real-time pet pickup tracking application using React Native, TypeScript, and WebSockets
ITO El Salvador
Frontend Developer
Nov 2022 - Present
- Migrate legacy Vanilla JavaScript applications to React, significantly improving performance, maintainability, and user experience
- Maintain a React micro-frontend service using Single Page Application (SPA) architecture and Electron for cross-platform support
- Develop a marketplace platform and app delivery system with Next.js and Strapi, integrating a non-technical CMS workflow
- Build a documentation website with Astro to deliver a fast, content-driven experience for a robust open-source telecom platform
