Desktop Productivity Tool Development

I'm looking for an experienced .NET developer to create a desktop productivity application. The app will incorporate task management, time tracking, and collaboration tools.

Essential Requirements:
- .NET framework expertise
- Experience in developing desktop applications
- Integration capabilities with other tools and platforms

Ideal Skills and Experience:
- Proven track record in building productivity tools
- Ability to work within budget constraints
- Good communication skills for project updates

Please provide examples of similar work done.