Arduino Prototyping with Sensors and Motors

I'm looking for an experienced Arduino programmer to help me prototype a project using sensors and motors.

Key Requirements:
- Use of proximity sensors
- Rotatory encoder
- Integration and control of motors

Ideal Skills and Experience:
- Expertise in Arduino programming
- Experience with sensors and motors
- Strong prototyping skills
- Problem-solving and troubleshooting abilities

Please provide examples of previous relevant work.