Comprehensive Discord Bot Development

I'm looking for an experienced developer to create a custom Discord bot. The bot will primarily focus on ticket management, but will also include functionalities for applications, moderation, levelling, and staff management.

Key Features:

Ticket Management (Highest Priority):
- Create and close tickets
- Assign tickets to staff
- View ticket history

Application Process:
- Automated form submissions
- Staff review process
- Approval notifications

Moderation Tools
Levelling System
Management & Staff Management Features

Ideal Skills and Experience:
- Proficiency in Discord bot development
- Experience with ticketing systems
- Strong backend programming skills
- Familiarity with Discord API
- Prior experience in developing moderation and management tools for Discord servers

Please provide examples of previous Discord bots you have developed.