Talent badge filter
Skills filter
Select talent location
Select talent time zones
$20/hr
100%
Job Success
$800+ earned
Available now
Start of list.
End of list.
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.
$30/hr
$2K+ earned
Start of list.
End of list.
I’m an Embedded Systems Engineer specializing in hardware development, embedded electronics, and end-to-end device design.
I can take your idea from concept to a fully tested product — including schematic and PCB design, 3D-printed enclosures, prototyping, and complete functional verification.
While my focus is on hardware, I can also support firmware development and simple software components when needed.
What I offer:
Custom hardware and PCB design (Altium Designer, KiCAD)
Full device development: testing, validation, and small-batch prototyping
3D printing of enclosures, mechanical parts, and functional prototypes
Firmware and basic software development for embedded systems
Debugging, troubleshooting, and technical support
Clear documentation and reliable communication throughout the project
I value transparent collaboration and practical, real-world engineering.
Let’s connect and discuss how I can help with your project.
$30/hr
100%
Job Success
$300K+ earned
Start of list.
End of list.
Tan L.
has worked
.
I am an Embedded Programmer, Linux/ARM BSP/firmware engineer (10+ years).
◉ Prototype Development kit: Raspberry Pi, Beaglebone, IMX6 and IMX8, Quectel AG35 EVB, NanoPi Air, OrangePi Win, ESP32, Arduino UNO R3, STM32, Variscite VAR-SOM-MX93
◉ Have solid knowledge of the standard interface such as I2C, SPI, UART, CAN, RS232, USB Host/Device, Ethernet, SDCard
◉ IoT devices with wireless connectivity such as LTE, BLE, WIFI, GPS, Lora(RFM95CW)
◉ Modem Quectel: Automotive AG35, 5G RM520N
◉ Good experienced with Audio Codec chips: TI(TLV320AIC3109), ADAU1961WBCPZ
◉ Solid experience with U-boot porting, BSP, Linux kernel, Device drivers development/optimization for the small Linux SoC boards.
◉ Yocto, OpenWRT, Buildroot
◉ OTA: swupdate, mender, rauc
◉ Cybersecurity
◉ Chipset: Allwinner A64, Allwinner H3, Allwinner T113, NXP i.MX6, i.MX8, Quectel AG35, Qualcomm MDM9x07, STM32L4,
◉ Language: C/C++, Python, Bash scripting, Golang
◉ Framework: gstreamer, boost
Our key goal is to deliver high-class products and services to our clients. A combination of long-term experience, and perfect communication allows us to work with clients all over the world.
$20/hr
100%
Job Success
$2K+ earned
Start of list.
End of list.
Aung C.
has worked
.
🥇Upwork Top Rated
🥇5+ Years of Experience
🥇100% Job Success Rate
🥇Embedded Engineer (Hardware/Software)
🥇CAD designer (Mechanical/Electronic)
🥇From Prototype to Actual Product
A highly skilled mechanical and circuit designer and robotic engineer with deep expertise in robotics and embedded systems. I use Solidworks and KiCad as my primary software tools to design and develop complex systems that can automate manufacturing processes, control robotic devices, and perform various other functions.
As a robotic engineer, I have experience in designing and developing autonomous differential mobile robots with various approaches, such as Gmapping, Hector Slam, RTABmap, and more. I also have experience in robot simulation using Gazebo and visualization with RVIZ, which allows me to test and validate my designs in a virtual environment before implementing them in the real world.
What sets me apart is my unwavering commitment to staying up-to-date with the latest technological advancements. It ensures that my clients receive high-quality work that exceeds their expectations. I believe that every project is unique and must be developed with an open-minded approach. Communication and collaboration with my clients during the development process are vital to ensuring that their requirements are met, and the best possible results are delivered.
Please feel free to take a look at my portfolio to see some of the projects I have worked on. If you need a highly skilled and experienced mechanical and circuit designer and robotic engineer for your project, don't hesitate to get in touch! I look forward to hearing from you soon.
Key offerings as Mechanical Designer :
• Solid Design for 3D Printing, CNC machine, Laser Cutting and Plastic Injection Molding
• Creating Proto-realistic Rendering
• Sheet Metal and Stress Analysis
Key offerings as Circuit Designer :
• Electronics design and printed circuit board (PCB) layout with KiCad.
• Troubleshooting and fixing failed devices and bad designs.
• BOM and Garber generation for production.
• Firmware development with embedded C and C++ in ESP32, STM32, Arduino and Raspberry pi including communication protocol such as SPI, I2C, UART, USB, Wifi, Bluetooth, etc..
Key offerings as Robotic Engineer :
• Robot Simulation with Gazebo and Visualization with RVIZ.
• Computer Vision and Deep Learning Framework : Tensorflow, Pytorch.
• Object Detection Models : Yolov1-7, mobile ssd and so on.
$20/hr
100%
Job Success
Offers consultations
Start of list.
End of list.
Need a working prototype — not just a design file?
I help startups, product teams, and companies develop functional hardware systems that combine mechanical design, electronics, and embedded software into real, manufacturable products.
⭐ Top-rated Plus Mechatronics & Hardware Engineer on Upwork (Top 3% Worldwide), delivering end-to-end solutions in SolidWorks design, robotics, embedded systems, IoT devices, PCB design, and product development.
Proven track record of 50+ completed projects with 5-star client satisfaction.⭐ ⭐ ⭐ ⭐ ⭐
I specialize in turning ideas into fully working electromechanical and IoT systems — not just CAD models or circuit diagrams, but complete integrated hardware solutions ready for testing, validation, and manufacturing.
What I Do Best (High-Demand Skills):
• Robotics & Automation Systems
• Hardware Engineering & Embedded Hardware Design
• IoT Systems & Smart Devices Development
• PCB Design & Electronics Integration
• Mechanical Design (SolidWorks / Autodesk Inventor)
• Functional Hardware Prototyping
• Firmware Development (AVR / C / C++)
• Sensor Integration & Control Systems
• Motion Control Systems
• Hydraulic & Pneumatic Systems
• Design for Manufacturing (DFM / DFA)
• Technical Drawings & Product Documentation
Full Product Development Lifecycle:
✔ Concept development & system architecture
✔ Mechanical engineering design & CAD modeling
✔ Electronics design & PCB development
✔ Embedded firmware & control logic programming
✔ Sensor integration & system validation
✔ Prototype assembly, testing & iteration
✔ Manufacturing preparation (DFM/DFA) & documentation
Industries & Applications:
• Robotics systems
• IoT devices & smart systems
• Industrial automation machines
• Automotive & electromechanical systems
• Hardware MVPs for startups
• R&D engineering prototypes
• Sensor-based monitoring & control systems
Why Clients Choose Me:
✔ Strong cross-disciplinary engineering (mechanical + electrical + embedded)
✔ Focus on buildable, testable, and manufacturable designs
✔ Clear communication and fast response time
✔ Proven track record with 50+ successful projects
✔ Reliable delivery with engineering precision
If you are building a robot, IoT device, machine, or hardware MVP and need a hardware engineer who can take it from concept to working prototype, I’d be happy to collaborate.
Let’s build something real.
$10/hr
100%
Job Success
$5K+ earned
Available now
Offers consultations
Start of list.
End of list.
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
United States
$85/hr
100%
Job Success
$100K+ earned
Start of list.
End of list.
Eben O.
has worked
.
Full-stack electronics designer. With expertise in board design and firmware engineering, I can take your idea from concept to production ready, or help improve your existing product.
Services include:
- Requirements analysis and system architecture
- Analog and digital circuit design
- PCB layout, high speed/high density expertise
- Microcontroller and FPGA code development
- Prototype assembly and testing
- Mechanical codesign
- Contract manufacturing liason
- Reverse engineering/debugging/component lifecycle management
Philippines
$15/hr
100%
Job Success
$1K+ earned
Start of list.
End of list.
I'm an innovative Computer Engineer with skills in Computer, Embedded, and Electronic Design. Experienced in developing IOT systems, and programming them. Let's make your ideas come to reality.
Services Offered:
- Embedded Hardware (Arduino, AVR, ESP32, CH32, STM32, Nordic)
- Schematic Design / Modification / Review
- BOM/Component Selection
- PCB Design / Modification (KiCAD, EasyEDA)
- Embedded Firmware (Arduino, PlatformIO, ESP-IDF, STM32)
I also offer these services:
- Web App Development (Node.JS, REST, Firebase)
- 3D Parametric Enclosure/Part Modeling and Design (FreeCAD, Autodesk Fusion)
United States
$110/hr
100%
Job Success
$50K+ earned
Start of list.
End of list.
I am a highly motivated, driven, ambitious engineer excited to use my skills and expertise to help your project become successful! As a Master's educated, startup medical device engineering professional, I have years of experience designing hardware, firmware, and software in one of the most rigorous, detail-centered industries while also expected to produce top-quality work efficiently. I take a strong interest in actively working with customers throughout the duration of the project to ensure the project requirements are fulfilled.
Hardware Skills:
- Analog and Digital Circuit Design, High-Speed Circuit Design, Microcontroller Design
- Schematic Capture
- PCB Layout and Ordering
- BOM Creation
- Component Procurement
- Assembly Drawings
- Debugging
- Testing
- Well-versed in the following communication protocols: SPI, UART, I2C, RS-232, Ethernet, BLE
Firmware Skills:
- C/C++ architecting and developing in a variety of applications ranging from medical device capital equipment to consumer electronics
- STM32 Microcontrollers
- PIC Microcontrollers
- Nordic Semiconductors SoC Microcontrollers
- FPGA (MAX10, Xilinx)
Software Skills:
- GUI Design (Visual Basic, XAML Designer, .NET)
- Serial Port Interfacing
- Pipe Communication
-API Development and Integration
The rate reflected on my profile reflects my experience and expertise as an electrical engineer. Hours billed are only for hours spent actively progressing the project.
$10/hr
100%
Job Success
$3K+ earned
Start of list.
End of list.
I am a seasoned Electronics Design Engineer with over 7 years of experience in developing functional prototypes and PCB boards. As a Senior Hardware Design Engineer and Team Lead, I specialize in both hardware and firmware design, guiding the design process from concept to assembly. My hands-on approach ensures high-quality results, whether leading a team or working independently. Let’s collaborate to bring your ideas to life with precision and efficiency.