
Zain Abbas
Electronic Product Development, PCB Design, Schematic Design, Embedded Systems
Skills

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Portfolio
Work experience
Electronic Product Development Engineer
Upwork • Freelance
Jul 2026 - Present • 2 mos
• Electronic Product Development from concept to production • Hardware Architecture & System Design • Analog & Digital Circuit Design • Schematic Design • Multi-Layer PCB Design (2–16 Layers) • High-Speed PCB Design (DDR, PCIe, USB, Ethernet, CAN) • Signal Integrity & Power Integrity Optimization • Embedded Hardware Development • ESP32, STM32, Raspberry Pi & FPGA-Based Systems • IoT Product Development • Power Electronics & Battery Management • Sensor Integration & Wireless Communication • Design for Manufacturing (DFM) & Design for Assembly (DFA) • Prototype Validation & Hardware Testing • Manufacturing Documentation (Gerber, BOM, Pick & Place) Technologies & Tools Altium Designer • KiCad • EasyEDA • Eagle • PADS • DipTrace • LTspice • Proteus • Multisim • STM32 • ESP32 • Raspberry Pi • Xilinx FPGA • CANBUS • Ethernet • USB • SPI • I²C • UART • BLE • WiFi • LoRa • GPS/GNSS
PCB Reverse Engineering Specialist
Freelancer.com • Freelance
Aug 2022 - Present • 4 yrs 1 mo
Reverse engineered PCBs from images, PDFs, and physical boards Recreated accurate schematics and improved existing designs Performed circuit analysis and design optimization Delivered clean, production-ready PCB layouts
PCB Design Engineer
Upwork • Freelance
May 2021 - Jul 2026 • 5 yrs 2 mos
Designed schematic and PCB layouts using Altium, KiCad, and EasyEDA Developed single, double, and multilayer PCBs for embedded systems Generated Gerber files, BOM, and manufacturing-ready designs Optimized signal integrity, routing, and power distribution
7 Reviews
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abraham7981

United States
Working with Dr. Zain Abbas was, without question, the best experience I've had on Fiverr. From the very beginning, Dr. Abbas completed every request flawlessly and exceeded my expectations in every area, including professionalism, communication, response time, and technical expertise. He took the time...

Seller's Response
mika33m

United States
Outstanding work from start to finish! The seller demonstrated excellent knowledge of PCB and hardware design, paid close attention to technical details, and delivered a reliable, manufacturing-ready solution. He was responsive, easy to communicate with, and completed the project on time. I am extremely...
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atlas179

Italy
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compuflow

United States
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esdi44

United States
Did a good job. Responded to all my criticism well. I recommend and will use again.
Seller's Response
