Web Based time entry tool with backend for employees

I am looking for a skilled developer to create a web-based time entry tool with a backend for our company's employees.

Number of employees: 100-150

Main features required:
- Time entry for specific task of specific project
- Role-based login
- Sync Outlook calendar
- Reporting of summaries

Additional requirements:
- Mobile-friendly design

Ideal skills and experience:
- Strong proficiency in web development
- Experience with time tracking and reporting systems
- Familiarity with mobile-friendly and responsive design
-

Please provide examples of similar projects you have worked on and your proposed timeline for completion.