Roblox Sound Scripter

I need a skilled Roblox scripter to create a realistic sound system for vehicles, including bikes and cars. The sound system should include:

- Realistic engine sounds
- Flyby effects
- Doppler effect
- Echo from distances

Ideal Skills and Experience:
- Proficiency in Roblox scripting (Lua)
- Experience with sound implementation in Roblox
- Knowledge of game mechanics related to sound
- Attention to detail for realistic sound effects

Please provide examples of similar work done.