Power Apps Integration with Xero

I am looking for a Power Apps developer with experience in integrating Power Apps with the Xero accounting platform. The primary purpose of this integration is to both fetch employee records and leave balances from Xero, as well as post already created timesheets to Xero.

Key Requirements:
- Experience with Power Apps and Xero integration
- Ability to successfully GET employee records and leave balances from Xero
- Capability to POST already created timesheets to Xero

Specifics:
- The data synchronization between Power Apps and Xero should occur in real-time, ensuring accurate and up-to-date information.
- While the level of customization for the Power Apps interface was not specified, I am open to discussing the customization requirements and looking for a developer who can accommodate those needs.

Ideal Skills and Experience:
- Proficiency in Power Apps development
- Previous experience integrating Power Apps with external platforms, particularly Xero
- Understanding of accounting processes and familiarity with Xero's API
- Strong communication skills to discuss and possibly create custom interface designs.

If you have the expertise and capacity to take on this project, please bid with your relevant experience and proposed approach.