React Desktop App Developer

I'm looking for an experienced JS React developer to build a productivity tool as a desktop application.

Key requirements:
- Experience in building desktop applications using React.
- Familiarity with productivity tool functionalities and UX/UI design principles.
- Ability to support multiple OS (Windows, MacOS, Linux).
- Strong problem-solving skills and attention to detail.
- Good communication and project management skills.

Please provide a portfolio showcasing similar work.