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.

Hardware Design Engineer specializing in High-Speed Digital, Power Electronics, and complex PCB layouts (up to 6-layer HDI). Proven ability to architect commercial-grade systems from schematic capture... Read more

Hardware Design Engineer specializing in High-Speed Digital, Power Electronics, and complex PCB layouts (up to 6-layer HDI). Proven ability to architect commercial-grade systems from schematic capture to routing of impedance-controlled buses (PCIe, USB 3.0, Gigabit Ethernet). Adept at component-level hardware diagnostics, board bring-up, and SMD rework.

I help startups and companies develop reliable, production-ready electronic products, from architecture and schematic design to PCB layout, prototyping, and manufacturing support. My experience inclu... Read more

I help startups and companies develop reliable, production-ready electronic products, from architecture and schematic design to PCB layout, prototyping, and manufacturing support. My experience includes high-speed multilayer PCB design, mixed-signal systems, power electronics, BMS development, and embedded hardware for industrial and IoT applications. I have worked with interfaces such as DDR, Gigabit Ethernet, USB, and M.2 while applying signal integrity, power integrity, EMI, and manufacturability considerations throughout the design process. I focus on clear communication, manufacturable designs, and reducing prototype iterations to help clients move faster toward successful products.

I design and troubleshoot electronic hardware and PCB assemblies, from schematic review and component selection to PCB layout and manufacturing files. I work with Altium Designer and KiCad and have ha... Read more

I design and troubleshoot electronic hardware and PCB assemblies, from schematic review and component selection to PCB layout and manufacturing files. I work with Altium Designer and KiCad and have hands-on experience with microcontroller-based electronics, power supplies, sensors, interfaces and mixed-signal circuits.

I am a professional Electronics Engineer specializing in power electronics, high-voltage systems, and embedded hardware design. With a strong background in applied R&D and precision industrial manufac... Read more

I am a professional Electronics Engineer specializing in power electronics, high-voltage systems, and embedded hardware design. With a strong background in applied R&D and precision industrial manufacturing, I provide end-to-end electronic design services: from initial architecture and schematic capture to PCB layout, 3D mechanical integration, and DFM (Design for Manufacturing) optimization. Currently working with high-precision electrical measurement instruments in Canada, I bring a meticulous, lab-tested approach to every freelance project. I don't just route boards; I ensure they are reliable, safe, thermally optimized, and ready for production. Core Competencies & Services PCB & Hardware Design: Schematic capture and complex routing using KiCad, DipTrace, and Altium Designer workflows. Mechanical integration and enclosure planning using Autodesk Fusion 360. Power & High-Voltage Electronics: Design and simulation of resonant converter topologies, high-voltage pulse-power systems, and SiC switching stages. Custom magnetics and transformer design. Embedded Hardware & Board Bring-up: Designing robust schematics around STM32, ESP32, TI C2000 and TI SimpleLink architectures. I also write test firmware (C/C++) using STM32Cube, Code Composer Studio (CCS), and Arduino IDE for board bring-up. I can validate hardware functionality, verify communication buses (I2C, SPI, UART), and ensure stable power stages before handing the fully tested project over to your software team. Simulation & Diagnostics: Advanced circuit simulation (LTspice, ANSYS, FEMM) and comprehensive bench-level fault isolation for analog, digital, and mixed-signal boards. Whether you need a quick custom PCB breakout board, a complex high-voltage power supply, or rigorous fault diagnostics, I deliver high-quality, production-ready results. Note: I am permanently based in Ontario, Canada (EST) and dedicate my Fridays through Sundays exclusively to freelance and contract work, ensuring highly focused and uninterrupted progress on your projects.

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’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.

I am an Electronics Engineer specializing in Embedded Systems, PCB Design, Firmware Development, FPGA Design, and MATLAB/Simulink. I help startups, companies, and researchers transform ideas into reli... Read more

I am an Electronics Engineer specializing in Embedded Systems, PCB Design, Firmware Development, FPGA Design, and MATLAB/Simulink. I help startups, companies, and researchers transform ideas into reliable electronic products from concept to production. My expertise includes schematic design, multilayer PCB layout, embedded firmware development, circuit simulation, IoT systems, sensor interfacing, and prototype development. I work with ESP32, STM32, Arduino, AVR, FPGA (Verilog/VHDL), MATLAB, KiCad, Altium Designer, EasyEDA, Proteus, and Multisim. I can assist with: • PCB Design & Layout • Schematic Design • Embedded C Programming • ESP32 & STM32 Firmware • FPGA Development • MATLAB & Simulink • Circuit Simulation • IoT Product Development • Hardware Debugging • Prototype Development I focus on delivering production-ready designs with clear communication, attention to detail, and reliable technical support throughout every project.

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

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

Need a reliable PCB that's ready for prototyping and manufacturing? I'm an Electrical Engineering student who helps startups, engineers, and product developers turn ideas into reliable, manufacturabl... Read more

Need a reliable PCB that's ready for prototyping and manufacturing? I'm an Electrical Engineering student who helps startups, engineers, and product developers turn ideas into reliable, manufacturable circuit boards. I enjoy solving practical hardware problems—from selecting the right components and designing schematics to creating clean PCB layouts that are ready for fabrication and assembly. My goal is to deliver designs that save you time during prototyping and make the transition to manufacturing as smooth as possible. I can help with: Custom PCB design (KiCad and/or Altium) Schematic capture Component selection PCB layout (2-layer) Power electronics Embedded hardware Battery charging circuits Communication interfaces (RS-485, UART) BOM creation and manufacturing files PCB design reviews and design improvements My portfolio includes complete hardware projects such as a USB-C Li-ion battery charger, a synchronous buck converter, an STM32 development board, and an industrial RS-485 interface board. Each project was designed with an emphasis on engineering practices, manufacturability, and clear documentation. When we work together, you can expect: Clear communication Thoughtful engineering decisions On-time delivery Fabrication-ready deliverables Attention to detail from schematic through final PCB Whether you already have a schematic or are starting with an idea, I'd be happy to help bring your hardware project to life!

Battery Management Systems & Power Electronics: At The Energy Company, I designed and led the product development of a 48V, 2.5kWh BMS for two-wheeler and energy storage applications, encompassing com... Read more

Battery Management Systems & Power Electronics: At The Energy Company, I designed and led the product development of a 48V, 2.5kWh BMS for two-wheeler and energy storage applications, encompassing complete PCB design and component optimization. My work at Maxwell Energy Systems involved designing a 60V BMS power supply unit that achieved compliance with ISO 26262 (FUSA) and CISPR 25 standards, while implementing rigorous EMI/EMC testing to meet AIS-004 requirements. Regulatory Compliance & Standards Excellence: I possess hands-on experience with automotive compliance frameworks including AIS-004 (EMC), AIS-048, AIS-123, and AIS-038, as well as international standards such as ISO 26262 (Functional Safety) and UNECE Regulation 100. This background ensures that designs I develop are production-ready and meet real-world deployment requirements from the outset. Advanced PCB Design & Architecture: Using Altium Designer, I have designed multi-layer PCBs including an 8-layer BMS board optimized for high-current applications (up to 200A). My designs incorporate thermal management, signal integrity, and ESD protection considerations, demonstrating a comprehensive understanding of hardware reliability and manufacturing processes. System Integration & Leadership: Beyond individual contributions, I have led planning and execution of complete product development cycles, managed technical hiring to build capable teams, and executed value engineering initiatives to optimize Bill of Materials (BOM) for cost efficiency—skills that are critical for delivering results in dynamic organizations.

I am an electrical and embedded systems engineer specializing in high-reliability hardware for electric vehicles and complex power electronics. Currently engineering powertrains and safety systems for... Read more

I am an electrical and embedded systems engineer specializing in high-reliability hardware for electric vehicles and complex power electronics. Currently engineering powertrains and safety systems for a competitive Formula Student vehicle, I handle the full hardware lifecycle—from schematic capture and pre-routing LTspice simulations to multi-layer PCB layout and firmware development. My core expertise lies in designing robust boards using Altium Designer and writing highly optimized C++ firmware for STM32 and ESP32 microcontrollers. I focus heavily on system-level architecture, ensuring proper ground separation, signal integrity in noisy environments, and efficient thermal management. Core competencies include: Battery Management Systems (BMS): Designing decentralized master-slave architectures with advanced state-of-charge tracking algorithms. Power Electronics: Custom isolated DC-DC buck converters and high-current hardware optimization. Signal Integrity & Safety: Resolving complex hardware issues and designing fault-tolerant safety circuits for vehicular environments. Telemetry & Control: Building custom Vehicle Control Units (VCUs) with low-latency data pipelines. I deliver complete, manufacturing-ready packages (Gerbers, NC Drill, BOM, CPL) optimized for seamless fabrication by standard or US-based fab houses.

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 deliver complete electronic products — from schematic and PCB design through firmware development and cloud integration. With 7 years of experience in industrial embedded systems, I have delivered p... Read more

I deliver complete electronic products — from schematic and PCB design through firmware development and cloud integration. With 7 years of experience in industrial embedded systems, I have delivered production-ready hardware for IoT monitoring, motor and machine control, EV instrumentation, and protocol conversion applications, using Altium Designer for PCB layout and Embedded C/C++ on STM32 and ESP32 platforms. What I bring to your project: End-to-end delivery: schematic design → PCB layout → firmware development → testing → production-ready Gerber files Real-time firmware development (FreeRTOS) and industrial communication protocols (CAN, RS485, MQTT, I2C, SPI) IoT and cloud integration (AWS IoT, OTA updates) for connected product requirements Power electronics design, including DC-DC and AC-DC converters Clear communication and reliable delivery timelines — currently leading embedded controller development at a major industrial equipment manufacture

Robotics expert and independent electronics engineer with over 10 years of experience in programming for different hardware including microcontrollers, FPGAs, SoCs, SDRs and in different languages (C,... Read more

Robotics expert and independent electronics engineer with over 10 years of experience in programming for different hardware including microcontrollers, FPGAs, SoCs, SDRs and in different languages (C, C++, Python, LabVIEW, Matlab, etc.). Extensive hands-on experience with hardware development and testing from prototypes to production units. Always up to date with the latest technologies like generative AI, swarm robotics, next generation wireless communication. Involved in open-source research and talent development.

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).

A reliable electronics engineer and PCB designer with 15+ years of experience (trusted by clients worldwide) in PCB design, schematic capture, hardware development, and manufacturing support. I delive... Read more

A reliable electronics engineer and PCB designer with 15+ years of experience (trusted by clients worldwide) in PCB design, schematic capture, hardware development, and manufacturing support. I deliver production-ready designs that reduce risk, shorten development cycles, and work right the first time. My PCB designs are not only functional but manufacture able, testable, and scalable. With my 100% Job Success Score, I help clients turn ideas into robust, production-ready electronic products. My specialization is in circuit design, schematic capture, multilayer PCB layout, embedded systems, power electronics, RF and microwave circuits and analog circuits. I can do design reviews, hardware development, hardware debugging, reverse engineering, design optimization, troubleshooting and ensure your project is delivered with precision and attention to detail. ⭐ Core Expertise ⭐ ✅ Multilayer PCB designing ✅ PCB design with high speed interfaces, such as LVDS, HS-CAN, CAN FD, RS-422, RS-485, USB 3.0, FPGA high speed SerDes, PCIe, LVPECL, LPDDR4 clock, HDMI ✅ High power PCB design up to 4 layers, 3.2 KW, 320V output at 10A load current ✅ Design for Manufacturing (DFM) & Design for Assembly (DFA) using JLC PCB and PCB way services ✅ EMC / EMI aware PCB design practice using industry standards such as IPC-2221, IEC61188, DO-254 ✅ JLC PCB and LCSC parts selection, finding in-stock components, creating BOM with updated and available parts, finding alternate parts with similar technical specifications ✅ Generating Gerber files, NC Drill files, CPL files, BOM files for production, prototyping & mass manufacturing ✅ Schematic and PCB design review ✅ Circuit Designing, analog, digital, RF, microwave, embedded, high power circuit designing ✅ Circuit Simulation & Analysis ✅ Microcontroller Programming in C language ✅ Reverse engineering from given Gerber files, PCB images, BOM ✅ Problem solving, hardware development, troubleshooting, hardware debugging, design optimization for power, thermal, mechanicals constraints ⭐ PCB Design Software ⭐ ✅ Altium Designer v24 ✅ KICAD v9 ✅ DIP TRACE ✅ EasyEDA ⭐ Circuit Simulation Software ⭐ ✅ LTspice ✅ Proteus ✅ Multisim ✅ Keysight ADS ✅ Ansys HFSS ⭐ Programming ⭐ ✅ MPLAB X IDE ✅ C Language ✅ MATLAB SIMULINK ⭐ 3D Mechanical Design ⭐ ✅ SolidWorks ✅ PTC Creo ✅ Flow Therm ⭐ Power & analog circuit Projects ⭐ Power electronics, op-amp circuits, ADC/DAC interfaces, signal conditioning, piezo electric transducer driver, flyback converter, buck boost converter, laser diode driver, LED light driver, constant current and PWM control of LED lights, Switch Mode Power Supply (SMPS) design, linear power supply design, switching transformer magnetics design, AC load control using TRIAC, DC load control using SCR, H-Bridge driver for BLDC motor control using high power MOSFETS, gate driver circuit, multivibrator circuit using 555 timer, counter circuits, relay control, IGBT circuit for DC to AC inverter, bridge rectifier circuit for AC to DC converter ⭐ Industrial Projects ⭐ Temperature, humidity, weight, pressure sensors circuit design for instrumentation electronics, data logging, real time telemetry monitoring, signal conditioning circuit, feedback control circuits, robotics and actuator control, solenoid valve for flow control, PLC, DCS, SCADA for industrial automation, ⭐ RF Projects ⭐ X-Band and S-Band microwave RF power amplifier using GaN and GaAs devices, preamplifier, Directional coupler, band pass filter, Wilkinson divider, diplexer, microstrip transmission lines impedance matching, Low Noise Amplifier (LNA), mixer, microstrip patch antenna, electronic beam steering T/R modules, I/Q modulator, phased array circuits ⭐ Audio Projects ⭐ Audio Electronics: Amplifiers, filters, DSP-based audio processing, low-noise analog design, analog crossover network, equalizer, stereo and mono dual channel amplifier, phono preamplifier, hydrophone amplifier, MEMS based microphone array design, electret microphone amplifier, CODEC, RCA to XLR converter, phantom power supply, audio power amplifier for 8 and 4 ohm loud speakers, ⭐ Digital Electronics Projects ⭐ Digital logic circuits using discrete ICs, sequential circuit, NAND Flash memory circuit, mixed signal circuit using RF transceiver blocks with SMA connectors, FMC HPC connectors, high speed signaling with FPGA Actel, Xilinx, DSP controller from microchip, microcontrollers from Silabs, PIC, ATMEL C8051, ATMEGA, TMS320F28335, ESP32-C5, ESP32-S3, STM32, RPI, ARDUINO ⭐ Why Clients Choose Me ⭐ ✅ End-to-End Capability — from concept → schematic → PCB → firmware → prototype. ✅ High-Speed PCB Specialist —Impedance controlled routing and EMC/EMI aware designs ✅ Strong Communication — clear documentation, regular updates, and fast responses. ✅ Proven Track Record — 15+ years of hands-on design experience. ✅ Client Satisfaction — long-term ▒▒▒▒▒▒ client relationships, repeat contracts, and 5⭐⭐⭐⭐⭐ feedback

I focus on reliable electronics design, taking projects from initial ideas and discussions to working, production-ready hardware — not just drawings on paper. I work mainly with startups and small co... Read more

I focus on reliable electronics design, taking projects from initial ideas and discussions to working, production-ready hardware — not just drawings on paper. I work mainly with startups and small companies, taking ownership of circuit design, PCB layout, and manufacturing readiness, with debugging and bring-up in mind from day one.

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.

I am an Electronics Hardware Design Engineer with experience in PCB Design, Power Electronics, Embedded Systems, and Product Development. I have worked on real-world hardware projects, designing relia... Read more

I am an Electronics Hardware Design Engineer with experience in PCB Design, Power Electronics, Embedded Systems, and Product Development. I have worked on real-world hardware projects, designing reliable and manufacturable PCBs from concept to prototype. I focus on delivering high-quality designs with attention to performance, manufacturability, and timely project completion. Whether it's a new product or improving an existing design, I'm committed to providing practical and dependable engineering solutions. Core Skills : - PCB Design & Layout (Altium Designer, KiCad) - Power Electronics (SMPS, DC-DC Converters, Battery Chargers, Inverters) - Embedded Systems (STM32, ESP32, Arduino) - Schematic Review & PCB Design Optimization - EMI/EMC Aware PCB Layout - Design for Manufacturing (DFM), Design for Assembly (DFA) - Prototype Assembly, Testing & Debugging - Gerber Generation & Manufacturing Support

Thank you for visiting my profile. I'm Engr. Muhammad Uzair, a hardware and firmware engineer with 6+ years of experience delivering production-ready electronic solutions. I specialize in: - Multil... Read more

Thank you for visiting my profile. I'm Engr. Muhammad Uzair, a hardware and firmware engineer with 6+ years of experience delivering production-ready electronic solutions. I specialize in: - Multilayer PCB design (up to 8 layers) — signal integrity, RF, IoT, and power electronics - Power electronics design — DC-DC and AC-DC conversion circuits - Firmware development for STM32, dsPIC, ESP32/ESP8266 with UART, SPI, I2C, CAN, USB, and MODBUS - RF circuit design — filters, antenna tuning, and wireless systems From schematic capture to Gerber files and working prototype — I manage the full design cycle with precision and on-time delivery. Let's bring your ideas to life!

Experienced Draughtsman & CAD Technician with a background delivering high-precision technical drawings across MEP systems, architectural layouts, civil engineering, and topographic surveying.

Experienced Draughtsman & CAD Technician with a background delivering high-precision technical drawings across MEP systems, architectural layouts, civil engineering, and topographic surveying.

I design electronic circuits, PCBs, and embedded systems for prototyping and product development. My experience includes schematic capture, PCB layout, circuit simulation, and digital hardware design... Read more

I design electronic circuits, PCBs, and embedded systems for prototyping and product development. My experience includes schematic capture, PCB layout, circuit simulation, and digital hardware design using modern engineering tools. I assist clients with transforming ideas into practical electronic designs, from schematic capture to PCB layout and simulation. My areas of expertise include: • PCB Design (KiCad) • Schematic Capture • Multi-layer PCB Layout • LTspice Circuit Simulation • Analog & Digital Circuit Design • ESP32 & AVR-based Embedded Systems • Verilog RTL Design • Basic FPGA Development • Component Selection & Bill of Materials (BOM) • Gerber File Generation • PCB Manufacturing Preparation I emphasize clear communication, organized documentation, and timely project delivery. I focus on clean PCB layouts, manufacturable designs, clear documentation, and prompt communication throughout each project. I look forward to collaborating on electronics and embedded system projects.

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