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

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Portfolio
Werkervaring
Electronic Product Development Engineer
Upwork • Freelance
Jul 2026 - Present • 1 mo
• 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
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
2 Reviews
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mika33m

Verenigde Staten
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...
4 dagen
Looptijd

Print circuit boards (PCB)
Reactie van de freelancer

theo_finley

Verenigd Koninkrijk
Great seller! Professional, knowledgeable, and easy to work with. The PCB design met all my requirements, and the final files were complete and Manufacturing Ready. I highly recommend his services and will definitely return for future projects. Thanks Zain!!!
1 dag
Looptijd

Print circuit boards (PCB)
Reactie van de freelancer