Cross-Platform Modern Web & App Development

I'm seeking an experienced web and application developer to create a modern, cross-platform application compatible with Web, iOS, and Android. This application will adhere to a sleek, modern design aesthetic.

Key Requirements:
- Proficient in cross-platform development
- Strong understanding of modern design principles
- Prior experience in developing sleek, user-friendly applications
- Ability to deliver high-quality, bug-free code

Ideal Skills:
- Web development (JavaScript, HTML, CSS, etc.)
- iOS development (Swift, Objective-C, etc.)
- Android development (Java, Kotlin, etc.)
- Familiarity with modern design tools (Sketch, Figma, Adobe XD, etc.)
- Understanding of UX/UI principles