David Cornejo
About
Frontend Developer with 3+ years of experience building scalable web and mobile applications using React, React Native, and TypeScript. Experienced in modernizing legacy systems, developing cross-platform solutions, and delivering high-quality products in remote environments. Active open-source maintainer with native mobile development experience using Kotlin, Swift, and the Expo Modules API
Experience
Palisades Pups
Full Stack Developer
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
