Employee Task Management App Development

I want an employee task management app

At a basic level, app should include these main things:

1. Login system

Employees should be able to log in securely (email/password/ OTP).

Admin should have a special login to assign and monitor tasks.

2. Task Assignment

Admin can create and assign tasks to specific employees.

Tasks should have:

Title

Description

Deadline (date & time)

Priority (optional: low, medium, high)

3. Task Status Tracking

Employees should be able to:

View tasks assigned to them

Accept a task

Mark tasks as "In Progress," "Completed," or "Needs Help"

4. Proof of Completion

Employees should be able to upload:

Photos

Documents (PDF, Excel, Word files)
as evidence when marking a task "Completed."

5. Notifications

Send reminders before deadlines.

Notify employees when a new task is assigned.

6. Dashboard

For admin to see:

Pending tasks
Completed tasks
Overdue tasks

Of employees

7. Reports

Download reports (Excel/PDF) showing completed tasks, time taken, etc.

Other important features:

Chat between employees and admin (even basic commenting under tasks)

Assign recurring tasks (daily, weekly, monthly)

Rating employees after task completion (for performance review)