PCB Design in EasyEDA: ESP32-PICO-D4 base board with 2 sensor inputs, SD card, and expansion headers -- 2

Job ID: 40400709

Budget: $30 – $250 USD

I am enclosing the technical specifications in two languages: Russian and English.
Прилагаю техническое задание на двух языках: русский и английский

Need an experienced PCB designer to create a schematic and layout for a base board based on ESP32-PICO-D4.
Key features:
• ESP32-PICO-D4
• Power supply: 5V–14V input with over-voltage protection and reverse polarity protection
• 2x JST connectors for external sensors (5V logic, pulse input)
• 3x status LEDs, reset button
• FT232RL programming header
• microSD card slot (SPI)
• Two mezzanine connectors for future expansion (16+ pins and 10+ pins) with free GPIOs routed
Deliverables: Schematic, PCB layout (Gerber), BOM with MPN, Pick and Place, 3D STEP file, pinout description.
Preferred tool: EasyEDA.
Full specification is attached. Please include in your proposal:
• Experience with ESP32-PICO-D4 (examples)
• Suggested layer count (2 or 4) and reasoning
• Proposed DC-DC converter model
• Timeline