Hire the best freelance power electronics expert designers for your company

Electrical Engineering Professional with over 3 decades of experience in the System-Level Architecture and Design of Radio Frequency (RF / Microwave / mmWave), Power Conversion (Linear and SMPS), Anal... Read more

Electrical Engineering Professional with over 3 decades of experience in the System-Level Architecture and Design of Radio Frequency (RF / Microwave / mmWave), Power Conversion (Linear and SMPS), Analog Mixed-Signal, Quantization and Linearization, Phase Lock Loops (PLLs) and Servo Control Systems, Motion-Control (Robotics), Digital Logic (FPGAs) and State Machines, Embedded (MCU, CPU, GPU, DSP, SoC), Electro-Magnetics (EMC), Electro-Optical (Video delivery, Displays, High Resolution Visible / IR / UV Cameras), and Electro-Mechanical disciplines for Space, Aerospace, Military, Defense, Aviation (Avionics), Medical, Marine, Automotive, Locomotive, Transportation, Industrial, Consumer, Wearables, Commercial, High Performance Computing, Data Communications, LAN/SAN/WAN, Telecommunication, Wireless Charging & IoT Sensors, Radio, Broadcast, and Motion Picture industries

what people say about me: "Ruurd is next to a creative engineer a good communicator with new ideas and creative solutions. " I enjoy learning a lot about a topic and using it in the real world. In th... Read more

what people say about me: "Ruurd is next to a creative engineer a good communicator with new ideas and creative solutions. " I enjoy learning a lot about a topic and using it in the real world. In the last years I'm focused on sustable engineering. Wind turbines, solar propulsion and energy storage are my mean interests. Data collection and analysing is due to my practical know how a specialization.

Experienced Research&Development Electronics Engineer with a demonstrated history of working in the automotive industry. Skilled in Electronics, Analytical calculations approach, Hardware design (Alti... Read more

Experienced Research&Development Electronics Engineer with a demonstrated history of working in the automotive industry. Skilled in Electronics, Analytical calculations approach, Hardware design (Altium Designer), Simulations in LTSpice and Matlab. Strong engineering professional with a Ph.D. focused in Electrical Engineering (Power Electronics).

Senior PCB Design Engineer with 5 years of experience specializing in complex multilayer board design for drone and robotic systems. Expert in Altium Designer and KiCad, I have a proven track record o... Read more

Senior PCB Design Engineer with 5 years of experience specializing in complex multilayer board design for drone and robotic systems. Expert in Altium Designer and KiCad, I have a proven track record of developing reliable, high-performance electronics, including a 150A Smart BMS and flight controllers for military UAVs. My end-to-end expertise covers schematic capture, layout, DFM, and functional testing to ensure first-pass success and manufacturability. I am skilled in designing for high-current power systems, analog sensor interfaces, and digital control boards.

I’m an Embedded Hardware Engineer with strong expertise in PCB design and embedded systems development. I design production-ready PCBs using Altium Designer and develop embedded software. Over the yea... Read more

I’m an Embedded Hardware Engineer with strong expertise in PCB design and embedded systems development. I design production-ready PCBs using Altium Designer and develop embedded software. Over the years, I’ve worked on projects such as: - 6-layer BLDC Motor Inverter PCB with CAN communication - Auto-Ranging Multimeter (hardware + firmware) - Custom Development Boards (ESP32-S3, TM4C123GXL, RP2040) My services cover PCB Design, Embedded Systems Programming (AVR, ARM Cortex-M, ESP32) I’m passionate about creating innovative and efficient hardware solutions that bring ideas to life.

10 years+ of experiences in electronics hardware/software area.

10 years+ of experiences in electronics hardware/software area.

I’m a dedicated PCB layout engineer with 7+ years of hands-on experience turning complex schematics into production-ready boards especially in power-hungry and noise-sensitive applications. High-effic... Read more

I’m a dedicated PCB layout engineer with 7+ years of hands-on experience turning complex schematics into production-ready boards especially in power-hungry and noise-sensitive applications. High-efficiency SMPS designs (buck/boost converters, GaN/SiC integrations) and mixed analog/digital circuits, like ADC/op-amp interfaces for sensors and IoT prototypes. I’ve routed dozens of boards where EMI control and thermal management aren’t just checkboxes—they’re what keeps your device reliable from prototype to pilot run.

I am an Industrial Electronics Engineer with over 10 years of experience in demanding sectors such as ticketing and embedded systems, low voltage metering, and port equipment in ATEX/IECEx environment... Read more

I am an Industrial Electronics Engineer with over 10 years of experience in demanding sectors such as ticketing and embedded systems, low voltage metering, and port equipment in ATEX/IECEx environments. I specialize in: - Design and sizing of electrical panels, automation, and complete solutions for machines and equipment. - Certifications, laboratory testing, and compliance with international standards. - Technical project management and leadership of multidisciplinary teams. Practical expertise with standards and certifications: - CE Marking & EU Directives: EMC 2014/30/EU, RED 2014/53/EU, LVD 2014/35/EU, MD 2006/42/EC. - International Standards: ISO 13849 / IEC 61508 (functional safety), IEC 61010 / IEC 62368-1 (electrical safety & IT equipment), IEC 60079 (explosive atmospheres). - European Standards (UNE-EN): UNE-EN 60204-1 (safety of machinery – electrical equipment). Beyond the technical scope, I bring proactivity, adaptability, and resilience under pressure. I am recognized for my strong communication skills, ability to collaborate effectively, and proven experience in team leadership, ensuring projects are well-organized, high-quality, and delivered on time.

Conceptual Design Cast design Injection molding Sheet metal design 3D printing Creo Parametric 16years Autodesk Inventor 2 years OnShape

Conceptual Design Cast design Injection molding Sheet metal design 3D printing Creo Parametric 16years Autodesk Inventor 2 years OnShape

Self-contained developer capable of prototype-to-production delivery I offer an all-in-one engineering skillset covering the full hardware and firmware development cycle. I can design the schematic, i... Read more

Self-contained developer capable of prototype-to-production delivery I offer an all-in-one engineering skillset covering the full hardware and firmware development cycle. I can design the schematic, integrate RF and antenna systems, high-speed system, create optimized PCB layouts, and implement embedded firmware for chips such as the MCU, FPGA, DSP. This integrated approach ensures faster iteration, consistent system performance, and reduced coordination overhead between hardware and software teams.

Technically savvy, having more than 20 years of experience in Embedded Development, Circuit Designing, Electronics Development, Embedded Design, Electronics Design, DC to DC, DC to AC, AC to DC, AC to... Read more

Technically savvy, having more than 20 years of experience in Embedded Development, Circuit Designing, Electronics Development, Embedded Design, Electronics Design, DC to DC, DC to AC, AC to DC, AC to AC, SMPS, UPS, Inverter, Charger, SCR Power Regulator, SCR Switching, IGBT Driver, DC Drive Controller, AC Drive Controller, Power Systems, AHF Design, SVG Design, APFC Relay Design, Thyristor Switching Board, Three Phase UPS, Three Phase Inverter, Motor Control Boards, Motor Drives and Controllers, Microcontroller based products, SPI, I2C, Modbus, CAN, EV Chargers.

* KICAD *EAGLE *Embedded Programming *Power Electronics *Power System Protection *Electrical Substation Automation

* KICAD *EAGLE *Embedded Programming *Power Electronics *Power System Protection *Electrical Substation Automation

Mechatronics Engineer | Electronics • Embedded Systems • Power Electronics • Control & Optimization • 3D Design I have strong expertise in electronics, control & optimization, and embedded software d... Read more

Mechatronics Engineer | Electronics • Embedded Systems • Power Electronics • Control & Optimization • 3D Design I have strong expertise in electronics, control & optimization, and embedded software development. My passion is transforming complex ideas into functional, reliable, and innovative systems. From PCB design and firmware development to 3D mechanical modeling and complete system integration, I can deliver end-to-end solutions. 🚀 Areas of Experience: Custom CNC hardware and firmware development High-power motor driver design with advanced protection features EEG-based medical device prototyping and testing Scalable Battery Management Systems (BMS) for large LiFePO4 packs 🔧 What sets me apart: Combining creativity with engineering discipline Not just designing, but delivering tested and ready-to-use solutions Strong focus on on-time delivery and high-quality results Whether you need a prototype, CAD design, or a complete electronic-mechanical system, I am here to bring your vision to life.

I'm an expert electronic engineer, I've worked in three different London startups in the past 6 years, and I have a PhD in electronic engineering. Over the years, I built up a lot of experience in var... Read more

I'm an expert electronic engineer, I've worked in three different London startups in the past 6 years, and I have a PhD in electronic engineering. Over the years, I built up a lot of experience in various electric and electronic fields. Now I work as a freelance and I deal with all sorts of electronic projects, the more challenging, the better. I specialize in fast prototyping, I'm a very quick designer and I can build prototypes in house, thanks to my reflow oven and soldering skills. I have experience in wearables, IoT, wireless sensor networks, long-range wireless systems, ultra-low-power electronics, energy harvesting, industrial and power electronics, and much more. I have a deep knowledge of microcontrollers and SoC of many brands, and I can write firmware for prototypes. Find below a more detailed list of skills: – 10 years embedded systems design experience in a wide range of applications: wearables, wireless sensor networks, energy harvesting, automation. – Extensive knowledge of MCUs and SoC (BLE, Wifi, LowPAN, Zigbee), MEMS, SMPS, GPS, RFID, sensors, actuators, motors, primary and secondary batteries. – Design of production testing Jigs, design for manufacturing, EMC compliance and CE marking, supply chain management, production line direct experience (Shenzhen, Taipei). – Strong background in ultra-low-power systems, miniaturization and Energy Harvesting power supply. – PCB editing (Altium, Eagle, Cadence), multilayer and flexible PCB, RF optimisation, antenna placement and antenna tuning through Vector Network Analyser (BLE, Sub GHz). – Wide laboratory experience in electronic fast prototyping (SMT soldering: 0201, 0.4mm pitch SMAs), circuit debugging and electronic measurement instrumentation. – Extended knowledge of the photovoltaic technology: mass power generation and micro generation for energy harvesting. – Extended experience with other forms of energy harvesting as MFC (Microbial Fuel Cell), vibrational, thermal, etc... – IC design using the most common electronic CADs.

Roberto has experience in electronic embedded systems design and programming from concept to production, including a broad range of consumer electronics, power electronics, audio electronics, automoti... Read more

Roberto has experience in electronic embedded systems design and programming from concept to production, including a broad range of consumer electronics, power electronics, audio electronics, automotive, battery management systems and renewable energies control systems. Roberto holds a BEng in Electronics Engineering, MSc in Renewable Energies and has worked with big international clients as well as startups and individuals both as a corporate employee and freelancer. Roberto is the founder and Electronics Design Lead of Developpa, an electronics design firm, educational portal and community of engineers, more info at www.developpa.io

I have gained experience as an Electronics Engineer trained in analog and digital signal processing, I have 7 years of experience with multiple applications, including communications and RF power elec... Read more

I have gained experience as an Electronics Engineer trained in analog and digital signal processing, I have 7 years of experience with multiple applications, including communications and RF power electronics. I have skills developed within a number of computer-aided design packages, these include Autodesk Inventor, Autodesk Fusion 360, SolidWorks, AutoCAD, Visual Basic & C. In addition, I have gained experience using 3D printers & designed and developed a number of parts in both my spare time and in a professional environment. I have also produced a number of PCBs using the Autodesk Eagle and OrCAD software packages.

Full time freelancing with Embedded Hardware Design Engineer with 12+ years of experience into Highspeed analog and digital design, PCB , Board bring-up, Test & debug EMC validation, Analog validation... Read more

Full time freelancing with Embedded Hardware Design Engineer with 12+ years of experience into Highspeed analog and digital design, PCB , Board bring-up, Test & debug EMC validation, Analog validation, and Design documentation. Microprocessor / FPGA Experience - TI, NXP, Qualcomm, Renesas, Xilinx, Altera FPGA.High Speed Memory interfaces – DDR4, LPDDR4, OSPI, EMMC, SD Audio and Video Design Experience - LCD, HDMI, Display port, DSI, CSI, McASP 4 layer Flex PCB design. Wearable system design. Wired Connectivity – Ethernet, USB, PCIe, Low Power SIP and soc using Nordic semiconductor DC/DC Power supply design, Battery operated product design experience Experienced in DDR4-2667, GDDR5, HSIO, JESD204, SATA, Gen3, PCIe Gen3, USB 3.0, DDR4-SODIMM, MIPI, QSPI. Power Electronics 30KW. ESP32 , IOT , Power Electronics , Automotive , Raspberry pi 4 , Wireless Communications , Bluetooth. FPGA. Medical. Aerospace, STM32, Nordic chip, Arduino. Tool Expertise : Altium , Kicad , Allegro , Orcad , Ansys HFSS, CST , Easy EDA, Eagle. RF Antenna Simulation and Power Amplifier design.

✅ Lead Electrical Engineer with 5 years' experience developing high-volume electronics devices. Track record of 40 IoT and Electronics products with 300,000+ devices used in Consumer, IoT, and Wearab... Read more

✅ Lead Electrical Engineer with 5 years' experience developing high-volume electronics devices. Track record of 40 IoT and Electronics products with 300,000+ devices used in Consumer, IoT, and Wearable industries 🚀 Providing FULL-CYCLE design from Idea to Mass Production: Electronics, Firmware, Product Design, Mobile Software, Prototyping, Manufacturing. HARDWARE: - Schematic capture: Digital, Analog, Power electronics. EDA: Altium Designer. - PCB Layout: Altium Designer, 1 - 10 layers; - Component selection, BOM generation, manufacturing documents; PRODUCT DESIGN: - Conceptual industrial design. - Mechanical design in SolidWorks; Molded Plastic and Sheet Metal. FIRMWARE: - FPGA firmware in VHDL and Verilog for Altera/Actel/Xilinx FPGAs and SoCs; - MCU firmware in C/C++ for ARM, TI, NXP, Atmel, PIC, Arduino; - Bluetooth, Bluetooth Low Energy (BLE), and wireless modules programming. SOFTWARE: - Mobile apps: native apps for Android (Java) and iOS (Swift) - Frontend: Web interface (React, AngularJS) - Backend: Python with frameworks (Django) and Databases (PostGre /MySQL) - User interface (UI, UX) PROTOTYPING: - PCB Prototype manufacturing, debugging, and validation; - Consultation on any aspect of design and manufacturing. HIGHLY SPECIALIZED IN: CONSUMER electronics: - IoT projects, sensors, wearable electronics, Smart-home systems; - Computer peripheral devices (HID and custom devices); INDUSTRIAL electronics: - High-reliability systems for critical applications (Robotics, Oil and Gas, Automation); - Micro-controller and FPGA-based Control systems; - Power Supplies (AC/DC/AC) and Electric Drives (240/480VAC); WIRELESS communication: - Bluetooth and BLE-enabled devices (Bluetooth 4.0/4.2/5.0, BLE. GATT, A2DP); - 2.4Ghz radio transmitters (WiFi, Bluetooth, Radio); - 300/400 Mhz Custom analog and digital radio; AUTOMOTIVE / ELECTRIC VEHICLES: - On-Board Chargers (OBC) - Battery-management systems (BMS) ************************************************** TOOLS AND DEVICES: *PCB* : Altium Designer, Cadence OrCad. *FPGA and SoC* : VHDL, Verilog, ModelSim, Quartus, Xilinx ISE, Libero Soc. Altera Cyclone 2, Cyclone 4, Max 9, Max 10. Xilinx Spartan, Zynq, Virtex, Kintex. *BLUETOOTH* : CSR8670 / BC04 / BC05. TI: CC2640, CC2650, CC2541, CC3220. *MCU* : ARM Cortex A, ARM Cortex M. NXP LPC4370; TI C2000 (Piccolo, InstaSpin), MSP430, MSP432; Atmel: Atmega2650, Attiny; ********* Position: Lead Electrical Engineer Education: MS in Electrical Engineering ********* Tags: Electrical Engineer, Electrical Engineering, Electronics, Hardware, Firmware, PCB, PCB layout, Board layout, Schematics, Altium Designer, IoT, Internet of Things, Power Electronis, Bluetooth, BLE, TI, Texas Instruments, FPGA, SoC, VHDL, Verilog, Xilinx, Altera, VHDL, C, C++, MCU, RTOS, Microcontroller, prototype, validation, Enclosures, BMS, SolidWorks, Android, iOS, Java, Swift, Mobile Apps, Database, React, PostGre, AWS, Python.

Signal Integrity Electronics is a small family business. We have been designing electronic devices for inventors, startups and small technology companies since 1997. We specialize in proprietary contr... Read more

Signal Integrity Electronics is a small family business. We have been designing electronic devices for inventors, startups and small technology companies since 1997. We specialize in proprietary controller boards for motor, heater and lighting control. We are experts with micro-controllers (hardware and firmware), networked sensors using copper and radio (Ethernet/WiFi, 802.15.4, proprietary protocols), solar power and battery management. We have done scores of design and prototyping projects for industrial, agricultural and medical applications.

Electronic Design Engineer with over 20 years experience in PCB design for production, covering multiple fields including power electronics, RF, medical, embedded systems, IoT and more...

Electronic Design Engineer with over 20 years experience in PCB design for production, covering multiple fields including power electronics, RF, medical, embedded systems, IoT and more...

I have more than 20 years of experience working in an R&D from various industries such as Automotive, Consumer Electronics and Power Electronics. My expertise is in design and development of products... Read more

I have more than 20 years of experience working in an R&D from various industries such as Automotive, Consumer Electronics and Power Electronics. My expertise is in design and development of products from concept to mass production.

Hi ! I'm an Electronics Design Engineer holding a Master's degree in Electrical Engineering with +2 years of experience. I had some experience in designing PCBs and RF/microwave and millimeter-wave c... Read more

Hi ! I'm an Electronics Design Engineer holding a Master's degree in Electrical Engineering with +2 years of experience. I had some experience in designing PCBs and RF/microwave and millimeter-wave components (filters, antennas, diplexers...). Most of my experience comes using the following software: Kicad, EasyEDA, Altium, ADS, CST, and HFSS. --------- Recently, I have worked on the design of an RF transmitter (PCB board) for RFID reader; The broad consist of: Antenna; Bandpass Filter; Power Amplifier; Oscillator... I also participated in working on a development of new charger. I have experience in using measurement tools for RF components such as VNA and oscilloscope. I have published three book chapters and two articles in international journals. - Programming: C++, VHDL, Java, MATLAB, Familiar with Python.

Mob. tel +380677955620 ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ We are 12 qualified and experienced engineers where the average experience level per employee starts from 7 - 15 years. We can provide below egineering se... Read more

Mob. tel +380677955620 ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒ We are 12 qualified and experienced engineers where the average experience level per employee starts from 7 - 15 years. We can provide below egineering sevices: - development and producing of fully electrical heavy-duty vehicles; - electrical battery packs and power take-off systems (E-PTO); - 3D CAD modelling and assembling; - development of 2D manufacturing drawings; - preparing bill of materials (BOM) & engineering calculations; - sheet metal parts modelling; - development of vehicle electrical systems and wireharnesses; - design of vehicle power electronics and CAN electrical architecture; Achievements: As a team, we have developed 2 fully electric refuse collection trucks (27 tons), started up and tested it along with the manufacturer. We have developed many electrical battery packs and power take-off systems (E-PTO) for vehicles. Сore qualfications: - mechanical design engineers; - hydraulic & pneumatic engineers; - chassis automotive engineers; - electrical engineers; - power electronics engineers; - electronics and software engineers;

I am an experienced Embedded Hardware Design Engineer and PCB Designer with over 4 years of hands-on experience in electronics product development. My expertise spans schematic design, multilayer PCB... Read more

I am an experienced Embedded Hardware Design Engineer and PCB Designer with over 4 years of hands-on experience in electronics product development. My expertise spans schematic design, multilayer PCB layout, embedded systems, and end-to-end hardware prototyping. I have successfully designed and developed products in sectors like consumer electronics, medical/health devices, and drones, including RTK positioning modules, custom game controllers, power supplies, and underwater communication systems. My core strengths include: Schematic capture and robust PCB layout (Altium, OrCAD, KiCad) Embedded system integration (STM32, ESP32, BLE, Wi-Fi, CAN, Ethernet PHY) BOM optimization and component selection for reliable, cost-effective design High-speed digital and power integrity design, EMI/EMC compliant layouts Complete product development: from concept, design, and prototyping to testing and validation I can help you with: Custom PCB and hardware design for new or existing projects Prototype development and rapid hardware validation Design for manufacturability (DFM) and design for testability (DFT) Troubleshooting and improving existing hardware or PCB designs I am detail-oriented, responsive, and committed to delivering practical solutions tailored to your requirements. Open to both short-term and long-term projects, I enjoy turning ideas into functional, reliable hardware. Let’s work together to bring your product vision to life!