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
Antenna Design
RF Design
Antenna Testing
PCB Design
Multilayer PCB
Altium Designer
KiCad
Embedded System
FPGA
STM32
ESP32
Hardware Design
Electromagnetic Simulation Software
RFID
Eagle
Electrical Engineering
Digital Electronics
Arduino
Myles L.
San Diego, California
$80/hr
4.9
8 jobs
I’m a Professional Engineer of California in Electronics, Communications, and Controls, experienced in RF, embedded systems, and automated test development for hardware-focused teams. I am educated on the West Coast in Electrical Engineering with an emphasis on wireless technologies and am working toward a Graduate degree in Signal and Image Processing.
Whether you need help with prototyping, validation, troubleshooting, or building reliable engineering workflows, I can help.
- Experience with RF systems, embedded hardware, Python tools, and lab/test automation
- Loves to work on long-lasting custom wearable tech!
- Support from concept development through integration, validation, and production handoff
- Strong communication, documentation, and cross-functional collaboration
Electrical Engineering
Python
RF Microwave Design
Automated Testing
Automated Monitoring
Digital Signal Processing
Electronic Design
Embedded System
Medical Device
Printed Circuit Board
Nasr Alden A.
Dhamar, Yemen
$30/hr
4.7
14 jobs
I am a Mechatronics Engineer and a member of the CorexLabs Engineering Team, specializing in Embedded Systems and PCB Design.
Engineering Approach
At CorexLabs, we approach every project with a structured, problem-solving mindset. We analyze requirements deeply, optimize design decisions carefully, and build systems that are reliable, scalable, and production-ready — not just prototypes that “work once.”
We believe engineering is not about assembling components, but about designing intelligent solutions to complex technical challenges.
Core Expertise
Custom PCB Design (2–4 Layers)
Schematic & Hardware Architecture
Firmware Development (Embedded C)
STM32, ESP32, Arduino Platforms
Analog & Digital Circuit Design
Communication Protocols (UART, SPI, I2C)
System Debugging & Optimization
What You Can Expect
✔ Clear technical communication
✔ Logical design decisions
✔ Attention to detail
✔ Efficient, reliable, and well-documented solutions
As part of CorexLabs, I collaborate within a focused engineering team to ensure every project benefits from combined hardware and firmware expertise — delivering solutions that are built right from the foundation.
Embedded System
Simulink
Python
PCB Design
Internet of Things
Microcontroller Programming
KiCad
STM32
Embedded C
Circuit Design
Hardware Design
Arduino
Schematic
Digital Signal Processing
Digital Electronics
Electrical Engineering
Microcontroller Design
Analog Circuit
ESP32
Altium Designer
Sardar Usairem A.
Dubai, United Arab Emirates
$40/hr
5.0
164 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
Leon H.
Wakefield, Michigan
$70/hr
4.8
49 jobs
In the industry for many years, I am an expert in Electronics Design, Manufacturing and PCB Layout. Credentials include an AS in Electronics, one patent and an IPC CID+ (Advanced Certified Interface Designer).
My experience helps bring a high level of competence to your project or design review. I am available for work in any time zone.
Integrated Circuit
Digital Electronics
PCB Design
Intuit QuickBooks
Electronic Design
Computer Skills
Circuit Design
Altium Designer
Product Design
Analog Circuit
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