Top 5% Talent on Upwork | Embedded Systems & PCB Design Engineer | Electrical Engineering | 100% Job Success | 5+ Years
Are you looking for an experienced Embedded Systems, PCB Design & Electrical Engineering specialist who can transform your idea into a fully working smart device?
You're in the right place.
I specialize in Circuit Design, PCB Design, and Electronic Design handling the full path from schematic and multi-layer PCB layout, to firmware and Microcontroller Programming, to wireless integration, testing, debugging, and final prototype support. Whether it's a single board or a complete Internet of Things Solutions Design, I take it from concept to production-ready hardware.
Whether you're building a:
✔ Smart Home Device
✔ Wearable Product
✔ Industrial Sensor Node
✔ BLE Tracker
✔ WiFi Enabled Controller
✔ Battery Powered Embedded System
✔ Custom Wireless PCB Product
◆ Core Expertise
▸ Embedded Systems & Electronics
✓ Microcontroller Programming: STM32, ESP32/ESP8266, nRF52
✓ Ultra-Low Power Design: sub-µA standby, long-life battery systems
✓ PCB Design & Circuit Design: multi-layer, high-density, signal integrity optimized
✓ Electronic Design: schematic capture, BOM, design for manufacturing
✓ Embedded Firmware: UART, SPI, I2C, real-time systems
✓ Wireless: BLE, WiFi, LoRa, MQTT
✓ Motor Control: PID, stepper/servo systems
▸ System Development
✓ Hardware + Firmware integration
✓ Internet of Things Solutions Design (device to cloud)
✓ Debugging & production validation
✓ Power profiling & optimization
✓ OTA, bootloaders, custom protocols
◆ Tools & Technologies
▸ Firmware: C, C++, Python, FreeRTOS
▸ PCB Design: Altium Designer, KiCad
▸ Hardware: JTAG, Oscilloscope
▸ Communication: UART, SPI, I2C, RS485, Modbus
▸ IoT: BLE, WiFi, LoRa, MQTT
◆ Why Work With Me
✓ Electrical Engineering background with production focus
✓ Ultra-low power specialist (battery-operated systems)
✓ Full-stack embedded (hardware + firmware)
✓ Production-ready design focus
✓ Clear communication & reliable delivery
✓ Post-project support
I can engineer it professionally, efficiently, and production-ready and connect your hardware seamlessly to mobile apps, gateways, or cloud platforms.
Eagle
RF Design
Antenna Design
Antenna Testing
PCB Design
Multilayer PCB
Altium Designer
KiCad
Embedded System
FPGA
STM32
ESP32
Hardware Design
Electromagnetic Simulation Software
RFID
Electrical Engineering
Digital Electronics
Arduino
George S.
Guthrie, Oklahoma
$50/hr
4.8
45 jobs
Most embedded/PCB freelancers specialize in one lane. I've spent 35+ years moving across all of them — IC layout, custom PCB design, embedded firmware, and full-stack software — which means I can take a project from a rough idea through working hardware and the dashboard that controls it, without handing it between specialists.
A sample of what that's looked like in practice: a custom industrial communication protocol supporting 1000+ addressable nodes, a cloud-synced clock rendered identically on hardware and web, a mesh-network vibration datalogger for landscaping equipment, sensory prosthetic devices (two U.S. patents came out of that work), and more one-off PCB/firmware jobs than I can list — metal detectors, load cell combiners, stepper drivers, servo hubs, and precision lab instrumentation with full touchscreen control.
Core stack: Eagle CAD for schematics/PCB, PIC Assembly and Arduino for firmware, Python/Flask/JavaScript/MySQL for the software side, and the usual embedded comms protocols (I2C, SPI, CAN, RS-485, MQTT).
If your project spans hardware and software and you don't want to manage three contractors to get there, let's talk.
Eagle
Assembly Language
Circuit Design
Digital Electronics
Arduino
PCB Design
Raspberry Pi
Electrical Drawing
Microcontroller Programming
Electronic Design
PIC Programming
Analog Electronics
Python
ESP8266
MQTT
Hammad S.
Jhelum, Pakistan
$20/hr
5.0
21 jobs
I have designed 30+ real-world components used in defence systems, DC fans, and kitchen appliances handling everything from design and simulation to fabrication and testing myself, so you get complete, working hardware solutions from one expert.
I am an RF, PCB, and Embedded Systems Engineer with strong hands-on experience in building complete hardware products. I have worked on real-world RF systems including high-power amplifiers, transmitter-receiver designs, RF filters, and antenna systems for communication and defence-related applications. I specialize in RF design, antenna design and testing, wireless communication, and high-quality PCB design including multilayer boards using Altium Designer and KiCad. I also work on circuit design, analog electronics, RF filters and amplifiers, and embedded systems using STM32, ESP32, and Arduino. I have successfully delivered reliable, tested, and production-ready designs that perform well in real-world conditions.
For large and challenging projects, I collaborate with a trusted team of highly skilled professionals, so we can deliver a complete, fully working product including hardware, software, and mechanical design all in one place.
✅ RF & Microwave Circuit Design
✅ RF System Design (Transmitter & Receiver)
✅ RF Front-End Design
✅ RF Power Amplifier Design (Low, Medium & High Power)
✅ LNA (Low Noise Amplifier) Design
✅ RF Filters Design (Bandpass, Low-pass, High-pass)
✅ Impedance Matching & RF Tuning
✅ Antenna Design (Patch, Monopole, Dipole, Custom)
✅ Antenna Simulation & Optimization
✅ Antenna Testing & Performance Measurement
✅ Wireless Communication System Design
✅ RF Signal Chain Development
✅ Frequency Planning & Spectrum Analysis
✅ PCB Design (Single Layer, Double Layer, Multilayer)
✅ High-Speed PCB Design
✅ RF PCB Layout & Controlled Impedance Design
✅ Schematic Design & Circuit Layout
✅ PCB Design using Altium Designer, KiCad & EasyEDA
✅ Gerber File Generation & Manufacturing Support
✅ Design for Manufacturing (DFM) & Assembly (DFA)
✅ PCB Debugging & Optimization
✅ Electronic Circuit Design
✅ Analog Circuit Design
✅ Amplifiers & Signal Conditioning Circuits
✅ Sensor Interface Circuit Design
✅ Power Electronics Circuit Design
✅ Hardware Troubleshooting & Debugging
✅ Embedded Systems Design
✅ Embedded Hardware Development
✅ Microcontroller-Based System Design
✅ Microcontroller Programming (STM32, ESP32, Arduino, AVR)
✅ Embedded C & C++ Development
✅ Firmware Development
✅ IoT Device Development (WiFi, LoRa, ESP32)
✅ Raspberry Pi-Based Projects
✅ FPGA Design & Development
✅ Verilog / VHDL Based Design
✅ Digital System Design on FPGA
✅ Simulation & Timing Analysis
✅ FPGA Prototyping & Testing
✅ Electromagnetic Simulation (HFSS, CST, ADS)
✅ Circuit Simulation (LTspice, PSPICE, MATLAB)
✅ EM & RF Co-Simulation
✅ Signal Integrity & EMI/EMC Analysis
✅ Hardware Prototyping
✅ Product Development from Concept to Prototype
✅ Functional Testing & Validation
✅ Performance Measurement & Optimization
✅ Test Results Analysis & Reporting
✅ Technical Writing (Engineering Reports & Documentation)
✅ Research Paper Writing (IEEE Format)
✅ Project Documentation & Reports
✅ RF & Electronics Content Writing
✅ Complete Product Design (Hardware + Embedded + RF + FPGA)
✅ Prototype to Production Support
✅ Real-World Testing & Field Validation
✅ Engineering Simulation & Optimization
Eagle
RF Design
Antenna Design
Antenna Testing
PCB Design
Multilayer PCB
Altium Designer
KiCad
Embedded System
FPGA
STM32
ESP32
Hardware Design
Electromagnetic Simulation Software
RFID
Electrical Engineering
Digital Electronics
Arduino
Ahmed E.
10th of Ramadan City, Egypt
$10/hr
5.0
21 jobs
About Me
I am a professional PCB Designer with extensive Altium, Kicad and EasyEDA experience, delivering commercial and non-commercial hardware projects . I create reliable, production-ready, and cost-optimized multilayer PCB designs tailored to client requirements, while ensuring signal integrity, power integrity, controlled impedance, and EMI mitigation.
All files are manufacturing-ready for JLCPCB and other PCB factories, including Gerbers, BOMs, and assembly files. I focus on providing efficient, high-quality solutions that meet both technical and budgetary requirements.
🔑My Key Services
✅ Complete Schematic Design based on client requirements
✅ Multilayer PCB Layout with industry best practices (EMI/EMC, impedance control, spacing rules)
✅ BOM Creation + Cost Optimization while keeping parts available and affordable
✅ PCB designs compatible with JLCPCB and other manufacturers, with BOM & CPL files ready for assembly.
✅ Prototyping Support and design review
✅ RF, Antenna, and High-Speed PCB design
✅ Designing a PCB from a problem statement (from concept → prototype → production)
✅ Support in placing PCB & PCBA orders on JLCPCB and other Manufactories
Projects I Have Completed
✅ ESP32 and ESP8266 development boards
✅ STM32 custom boards (Blue Pill, Black Pill, Maple, custom designs)
✅ ATmega-based commercial products
✅ Buck/Boost power supply designs
✅ USB 2.0 / 3.0 hardware
✅ Motor drivers, relays, sensors, IoT controllers
Applications & Special Expertise
✔ I2C, SPI, UART
✔ RF & Antenna tuning
✔ DC-DC converters (Buck/Boost/LDO design)
✔ Low-noise analog design
✔ Power integrity & thermal optimization
Final Deliverables
☑ Source files (PCB + Schematic)
☑ Gerber files for manufacturing
☑ BOM (cost-optimized + alternatives)
☑ Pick & Place files
☑ PDF documentation
PCB Design
Altium Designer
Electronic Design
KiCad
Electronics
Electronic Circuit Design
ESP32
STM32
Hardware Design
Circuit Design
Electrical Engineering
Embedded System
Multilayer PCB
Arduino
Digital Electronics
Sardar Usairem A.
Dubai, United Arab Emirates
$40/hr
5.0
165 jobs
Looking for a Product Development expert to turn your innovative ideas into reality? Or do you need a Hardware Developer to take your existing electronics to the next level? Whether it's a concept that needs to be fleshed out or a product that requires professional-grade electronics, you've come to the right profile.
I am an Electronics and Electrical Engineer with over 6 years of experience in the Hardware and Electronics Design industry. My expertise spans from conceptual design to mass production, helping companies like Flux.ai, LiTrek, Simplifi Automation, UpLYFT Wearables, Microclimate Air, and Livello GmBH turn their ideas into successful products that have generated millions in revenue. I have extensive experience in developing hardware solutions that are not only innovative but also scalable for mass production.
Areas of Expertise:
Product Development:
From concept to prototype, I specialize in taking a product idea and developing it into a fully functional and manufacturable design.
Schematic and Multi-Layer PCB Design: Including part selection, sourcing, and generation of manufacturing files and documentation.
Hardware Design:
Analog and digital circuit design, microcontroller-based embedded systems, RF modules, GPS, Bluetooth, WiFi, and IoT integration.
Mass Production:
Expertise in scaling designs for large-scale manufacturing, including prototype testing, debugging, and design optimization for cost reduction and efficiency.
PCB Reverse Engineering:
Offering detailed analysis and re-engineering of existing designs.
Embedded Firmware Development: Proficient in C/C++, Arduino, STM32, and other microcontroller platforms.
PCB Design Software Expertise:
Altium Designer
KiCad
Mentor Graphics Xpedition
Proteus
Flex PCB and RF Design
Additional Services:
Manufacturing Support:
From initial designs to final production, I provide end-to-end support, including coordination with manufacturers like JLCPCB, PCBWAY, and ELECROW.
Prototyping and Testing:
I can handle everything from small-scale prototyping to large-scale testing and quality assurance.
Global Shipping and Logistics:
Need to ship your product worldwide? I’ve got that covered too.
If you're looking to bring a cutting-edge product to market or need expert assistance with your hardware and electronics, don't hesitate to reach out. Let's make your vision a reality.
Electrical Engineering
Electronics
Electronic Design
Embedded System
PCB Design
Circuit Design
Power Electronics
EasyEDA
KiCad
Altium Designer
Hardware Design
Digital Electronics
Analog Electronics
Arduino
Internet of Things
Product Design
Multilayer PCB
Edge AI
Yusuf Huseyin A.
Istanbul, Turkey
$40/hr
4.3
24 jobs
Need a production-ready PCB for your embedded product, IoT device, or drone?
I can take your idea from concept to manufactured board.
I'm an Electronics Engineer with a Top Rated badge and 100% Job Success Score
across 20+ projects on Upwork. I specialize in custom PCB design for embedded
systems, IoT devices, and UAV electronics.
What I design:
- ESP32 & STM32 boards — Wi-Fi, Bluetooth, BLE, and wired connectivity
- UAV electronics — flight controllers, telemetry modules, power distribution
- Sensor & data acquisition boards — high-resolution ADCs, multi-sensor stacks
- RF & wireless boards — BLE 5.x, sub-GHz, long-range telemetry
- Power management & distribution — Li-Po charging, multi-rail buck/LDO, monitoring
- LED driver & high-voltage control boards
My workflow covers the full cycle: hierarchical schematic capture → component
selection → multilayer PCB layout → DFM/DFA review → Gerber, BOM, and
Pick-and-Place files ready for fabrication. I also handle prototype bring-up
and basic functional testing.
I work fluently in KiCad and Altium Designer, and I'm comfortable with
high-speed routing, impedance control, RF layout, and EMI/EMC-aware design.
If you have a hardware idea — embedded product, IoT device, drone subsystem,
or a custom board — let's discuss turning it into a board you can manufacture.
Electrical Engineering
Engineering & Architecture
KiCad
PCB Design
Altium Designer
Hardware Design
Embedded System
Design for Manufacturing
Multilayer PCB
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