Automotive PCB Design: 40A High-Current ESP32 LED Controller

I’m looking for an experienced, U.S.-based electronics engineer to help me design and deliver a production-ready PCB package for a custom truck build. I have a finalized hardware specification for an automotive-grade, high-current LED controller that will live in my truck's engine bay, but I need an expert who can review my plan, critique my component choices, and handle the professional layout. I want a true partner for this project—someone who can look at my spec sheet and say, "Hey, this looks great, but we should tweak this component or shift this trace to make it safer and more reliable." The Project Highlights: Power Handing: The board needs to safely manage 38.5A continuous at 12V DC. I'm looking for solid thermal management, proper trace width math (IPC standards), heavy copper selection (2-oz minimum), and unmasked power planes. The Brains: An ESP32-S3 microcontroller driving ~1,000 RGBW pixels. We'll need clean isolation so high-current switching noise doesn't interfere with the MCU. Protection: Optical isolation (optocouplers) separating the logic side from the high-power switching side. What I Need Delivered: Complete schematic capture, layout, component validation (with exact manufacturer part numbers for the factory), and a 3D STEP model so I can ensure perfect clearance inside a custom enclosure. I would prefer the final files delivered in Altium Designer. About You: I'm looking for one person who can own this design from start to finish. If you have real-world experience with high-current electronics or rugged automotive environments, I'd love to chat. I respect your time and expertise, so please share a realistic turnaround time and a flat, fixed-scope quote based on these parameters. Looking forward to collaborating with you!