Single-Layer PCB Layout Needed 4 designs

I need a compact, single-layer PCB designed for a forthcoming consumer-electronics gadget. The board must fit within exact physical limits that I will share once we start, so component placement, trace routing, and overall footprint optimisation are critical... (Budget: ₹1500 - ₹12500 INR, Jobs: Circuit Design, Design Optimization, DFM (Design for Manufacturing), Electrical Engineering, Electronics, Embedded Systems, PCB Layout, Prototyping)