Realistic GTA FiveM Customization

I'm seeking an experienced GTA FiveM developer to customize my server with a realistic theme.

Key Requirements:
- Custom Scripts Development:
- Roleplay scripts
- Economy scripts
- Job scripts
- Custom Vehicles
- Custom Maps

Ideal Skills and Experience:
- Proficiency in scripting for GTA FiveM
- Experience with realistic theme development
- Strong portfolio showcasing previous work
- Ability to collaborate and communicate effectively

Please provide examples of previous similar work and a detailed plan.