Dario Caldwell

• ● Developed scalable web and mobile applications using React, Next.js, TypeScript and React Native, improving UI performance and responsiveness by 35%.

• ● Integrated real-time data, authentication and storage solutions with Supabase and Firebase, reducing backend dependency by 40%.

• ● Deployed on Vercel and AWS, ensuring 99.9% uptime with optimized CI/CD pipelines.

• ● Improved SEO, accessibility and cross-browser compatibility, increasing organic traffic.

• ● Developed responsive web applications using React, JavaScript (ES6+), Typescript, HTML5 and SCSS, supporting high-traffic production systems.

• ● Converted Figma designs into pixel-perfect, across multiple devices and browsers.

• ● Integrated REST APIs and implemented state management for complex user workflows.

• ● Refactored legacy codebases to improve performance, maintainability and code quality.

• ● Collaborated within Agile/Scrum teams, participated in code reviews.

• ● Developed cross-platform mobile applications for iOS and Android using React Native and Flutter.

• ● Implemented mobile UI components with a focus on performance, usability and platform consistency.

• ● Integrated APIs, handled application navigation and managed client-side state.

• ● Optimized mobile rendering and reduced UI-related performance issues.