Compact Electronic Device Enclosure Design

We are looking for a mechanical/3D CAD engineer to design a compact electronic device enclosure for manufacturing and prototyping.

Scope:
- Industrial/mechanical design of device enclosure
- Internal component integration:
- ESP32 board
- SIM module
- Speaker
- Battery pack
- Buttons
- NFC area
- Prepare enclosure for 3D printing and future manufacturing

Deliverables required:
1. STEP/STP files
2. STL files
3. Native CAD source files (Fusion360, SolidWorks, or equivalent)
4. Dimensioned technical drawings/PDF
5. Exploded assembly views if possible

Requirements:
- Experience in consumer electronics enclosure design
- Experience preparing files for 3D printing
- Ability to optimize for compactness and manufacturability

Please include:
- Portfolio/examples
- CAD software used
- Estimated timeline
- Manufacturing experience