Hire the best freelance Signal Integrity 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

I'm a US-based RF design engineer with 17 years of experience delivering high-performance solutions in the aerospace/defense industry. I hold a PhD in Electrical Engineering and specialize in RF syste... Read more

I'm a US-based RF design engineer with 17 years of experience delivering high-performance solutions in the aerospace/defense industry. I hold a PhD in Electrical Engineering and specialize in RF system design, PCB layout, antenna design, electromagnetic analysis, and rapid prototyping. Tools I work with include Keysight ADS (primary), KiCad (when preferred), MATLAB, and Python. I follow IPC standards for design/fab to ensure the quality of the end product. My work is ideal for companies looking to outsource complex RF, CAD, or electromagnetic challenges that require deep technical insight and a precision-driven process. I'm available full-time or part-time, can support any US time zone. Let’s talk if you need dependable, senior-level RF expertise without the overhead of full-time staffing.

I am a Senior Electronic Engineer. I have more than 6 years of experience in - Electronic and PCB (Printed Circuit Board), PCB Layout, - RF design, - Mixed signal, Analog and Digital signal, High... Read more

I am a Senior Electronic Engineer. I have more than 6 years of experience in - Electronic and PCB (Printed Circuit Board), PCB Layout, - RF design, - Mixed signal, Analog and Digital signal, High-speed design, - Trace Length Matching, Differential Pairs, Hardware Design, Circuit Design, - PCB layout relate to PCI Express, Ethernet, DDR RAM, - Generate Gerber File for Manufacture and BOM ( Bill of material). Besides, I can provide 3D viewer of completed product. I can provide realistic PCB meet IPC standard. I can use the softwares below to design PCB proficiently: - Altium Designer version 17.1 - Eagle. - Pads Logic, Pads layout, Pads Router (Mentor Graphic). - Orcad Capture, Concept HDL, Cadence Allegro - Process in Cam350 (DownStream Technologies) or Genesis 2000 (Frontline PCB Solutions) - DFA, DFM, PCB Manufacture with IPC standard. - Can provide technical CAD drawing (autocad file). - Can order PCB with affordable cost. Firmware and Programming: - Keil C - MikroC - CCS PIC - IAR I can design IoT hardwares with Microcontroller for BLE, WIFI. - PIC - AVR - ARM - STM32 (STMicrocontroller) - MSP microcontroller series (Texas Instrument)

As a seasoned circuit design engineer with, I specialize in creating power efficient and reliable PCB designs for a variety of applications, including IoT devices, consumer electronics, and high-relia... Read more

As a seasoned circuit design engineer with, I specialize in creating power efficient and reliable PCB designs for a variety of applications, including IoT devices, consumer electronics, and high-reliability applications. Proficient in Altium and KiCad, I have a proven track record of delivering high-quality schematics and layouts on time. My goal is to help clients bring their electronic ideas to life with precision and innovation.

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.

R&D / Electromechanical Engineer / Product & Prototype Development / Mechanical, Electronics, PCB & Software Design / Inventor – Turning Innovative Ideas into Real Devices / Open to Full-Time or Contr... Read more

R&D / Electromechanical Engineer / Product & Prototype Development / Mechanical, Electronics, PCB & Software Design / Inventor – Turning Innovative Ideas into Real Devices / Open to Full-Time or Contract Roles

With over 15 years of experience in electronics hardware design, I specialize in creating mission-critical PCBs for complex applications. My expertise is not just in layout, but in the crucial areas o... Read more

With over 15 years of experience in electronics hardware design, I specialize in creating mission-critical PCBs for complex applications. My expertise is not just in layout, but in the crucial areas of SI and PI Simulation, EMI/EMC ensuring a robust and reliable design from the very first prototype. I have a proven track record of successfully designing and bringing to market high-speed boards form industries such as semiconductor, consumer electronics, telecommunication, medical, automotive, Industrial automation and R&D. My focus is on delivering first-pass success by meticulously addressing issues like crosstalk, impedance matching, and EMI EMC from the earliest stages of the design cycle. My Core Expertise Includes: ​High-Speed PCB Design: Proficient in designing boards for high-data-rate interfaces like DDR4/5, PCIe, Ethernet, and USB. ​Signal & Power Integrity: Advanced pre- and post-layout SI/PI analysis to optimize stack-up, mitigate noise, and ensure stable power delivery. ​Post-Silicon Validation: I can support your team by designing validation boards and resolving hardware issues during testing. ​Power Electronics: Expertise in routing high-current traces, thermal management, and designing robust power delivery networks. ​I am proficient in professional-grade tools including: ​PCB Layout: Altium Designer, Cadence Allegro, KiCad ​Simulation: Hyperlynx ​I am committed to providing clear communication and a professional, results-oriented approach to every project. Let's discuss how my expertise can accelerate your product's time-to-market and ensure its long-term reliability.

I am a dedicated Hardware Design Engineer with 5 years of experience in PCB design and IoT embedded solutions. I specialize in transforming customer requirements into comprehensive block diagrams and... Read more

I am a dedicated Hardware Design Engineer with 5 years of experience in PCB design and IoT embedded solutions. I specialize in transforming customer requirements into comprehensive block diagrams and simulating circuits before progressing to detailed schematics and layouts. My expertise spans high-speed/mixed signal, RF, power, and flexible/rigid-flex PCBs, including advanced 8-layer designs that focus on efficient performance and robust signal integrity. I bring a strong foundation in design tools such as Altium Designer, and a commitment to best practices in EMI/EMC and signal integrity, ensuring reliable and high-performance hardware solutions for diverse applications.

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.

Well trained in Orcad software, Experienced Schematic Design Engineer with expertise in PCB circuit design, component selection, signal integrity, and power distribution. Skilled in creating optimized... Read more

Well trained in Orcad software, Experienced Schematic Design Engineer with expertise in PCB circuit design, component selection, signal integrity, and power distribution. Skilled in creating optimized schematics that meet electrical, thermal, and manufacturing requirements.

Proficient in Altium Designer, Cadence Allegro, OrCAD Schematic, and PADS Layout. Experienced in high-speed design, multilayer PCB layouts, and signal integrity analysis. Skilled in multilayer board d... Read more

Proficient in Altium Designer, Cadence Allegro, OrCAD Schematic, and PADS Layout. Experienced in high-speed design, multilayer PCB layouts, and signal integrity analysis. Skilled in multilayer board design and high-speed signal routing. An effective communicator with experience in design documentation and design reviews. Successfully designed and delivered numerous load board and burn-in PCB projects from concept to production.

Experienced PCB designer with strong skills in schematic capture, PCB layout, and component selection. Proficient in industry-standard tools (Altium Designer, KiCad, etc.) and familiar with IPC standa... Read more

Experienced PCB designer with strong skills in schematic capture, PCB layout, and component selection. Proficient in industry-standard tools (Altium Designer, KiCad, etc.) and familiar with IPC standards. Skilled in creating reliable, manufacturable, and cost-effective designs for various applications, ensuring signal integrity and compliance with industry requirements.

I am an electronics engineer with a strong focus on PCB design and embedded systems. My background includes circuit design, component selection, schematic capture, and multi-layer PCB layout, with han... Read more

I am an electronics engineer with a strong focus on PCB design and embedded systems. My background includes circuit design, component selection, schematic capture, and multi-layer PCB layout, with hands-on experience in microcontrollers and low-level programming. I am comfortable working with real-world constraints such as signal integrity, power distribution, EMI considerations, and manufacturability.

PCB Design Engineer with over 8 years of experience with strong expertise in multilayer, high-speed, and mixed-signal board design. Skilled in tools such as Cadence Allegro 17.2 X, OrCAD Capture. Pr... Read more

PCB Design Engineer with over 8 years of experience with strong expertise in multilayer, high-speed, and mixed-signal board design. Skilled in tools such as Cadence Allegro 17.2 X, OrCAD Capture. Proficient in schematic capture, component placement, routing, and DFM/DFT compliance. Hands-on experience in ATE boards, test interface boards, and industrial control PCBs. Strong understanding of signal integrity, impedance control, and thermal management. Committed to delivering reliable, manufacturable designs that meet quality and timeline requirements.

PCB Layout Design expert with 4.5+ years of experience in schematic capture, library management, and creating layouts using tools like Altium Designer, Cadence OrCAD/Allegro, KiCAD, PADS Layout, and X... Read more

PCB Layout Design expert with 4.5+ years of experience in schematic capture, library management, and creating layouts using tools like Altium Designer, Cadence OrCAD/Allegro, KiCAD, PADS Layout, and Xpedition/Dx Designer. Proficient in high-speed, multilayer PCB designs, IC package substrates, signal integrity, and power distribution networks. Delivered 60+ consumer electronics, medical, and industrial system applications, consistently achieving EMI/EMC compliance.

Detail-oriented PCB designer with hands-on experience in creating efficient, reliable circuit layouts for embedded systems and robotics. Skilled in single and multi-layer PCB design, power management,... Read more

Detail-oriented PCB designer with hands-on experience in creating efficient, reliable circuit layouts for embedded systems and robotics. Skilled in single and multi-layer PCB design, power management, and signal integrity. Proficient in KiCad and experienced in integrating components like buck converters, sensors, and microcontrollers (Arduino, ESP32). Proven ability to deliver compact and field-ready designs, such as the Minesweeper 2024 robot, with a focus on performance, flexibility, and real-world durability.

I am an Electronics and Electrical Engineer, graduated from the University of Peradeniya, Sri Lanka, with over 6 years of hands-on experience in PCB design and fabrication. I specialize in advanced ha... Read more

I am an Electronics and Electrical Engineer, graduated from the University of Peradeniya, Sri Lanka, with over 6 years of hands-on experience in PCB design and fabrication. I specialize in advanced hardware development for embedded systems, IoT devices, control systems, and high-performance computing platforms. My portfolio includes: Motherboard design for NVIDIA Jetson modules STM32-based flight controller PCBs High-accuracy RTK GPS modules Raspberry Pi sensor shield designs High-power motor controllers Expertise in high-speed signal routing (PCIe, USB 3.0, HDMI, CSI) I provide end-to-end PCB design services—from concept to production—including schematic capture, layout, signal integrity, fabrication support, and consulting. I am passionate about solving complex hardware problems and bringing ideas to life through innovative, real-world applications. Whether you need a robust embedded system, a high-speed PCB, or reliable design consultation, I am ready to collaborate and deliver high-quality results.

I’m an embedded systems and electronics engineer with strengths in circuit design, PCB development, firmware programming, 3D designing, Product designing and real-time data acquisition systems. I enjo... Read more

I’m an embedded systems and electronics engineer with strengths in circuit design, PCB development, firmware programming, 3D designing, Product designing and real-time data acquisition systems. I enjoy solving technical problems, especially around signal integrity, EMI handling, and creating reliable hardware for real-world environments. I’ve designed and built several successful projects, including a real-time data acquisition system, a sound-capturing device, and multiple IoT and automation circuits used in production environments. I’ve also worked with microcontrollers like ESP32, STM32, Arduino, and TI devices, and I’m skilled in simulation and PCB layout tools. Academically, I’m a Physics Electronics undergraduate at the Federal University of Technology Akure, where I built my foundation in electronics, instrumentation, and embedded systems. I combine hands-on experience with a passion for continuous learning, and I take pride in delivering designs that are clean, reliable, and technically sound.

I am Ahmed Nawaz and Experienced PCB Design Engineer with experience of delivering high-quality and reliable printed circuit board layouts. Proficient in leading industry tools: Altium Designer, KiCad... Read more

I am Ahmed Nawaz and Experienced PCB Design Engineer with experience of delivering high-quality and reliable printed circuit board layouts. Proficient in leading industry tools: Altium Designer, KiCad, and Eagle, with expertise in multi-layer PCB design, signal integrity, and power distribution optimization. ★ Skills: High-speed PCB design, EMI/EMC compliance, and thermal management. ★ Software Expertise: Altium Designer, KiCad, Eagle, OrCAD ★ Technical Skills: Schematic capture, design rule checks (DRC), and PCB manufacturing process understanding. Successfully completed over 50+ PCB designs for consumer electronics, automotive, medical and IoT devices. Proficient in working with Arduino, ESP32, STM32, and Raspberry Pi. Experienced in implementing communication protocols I2C, SPI, UART, MQTT, CAN Bus, and Modbus, as well as integrating wireless technologies like BLE, LoRaWAN, Zigbee, and Wi-Fi. Skilled in sensor interfacing, RFID/NFC systems, GPS modules, RTOS (FreeRTOS, Zephyr), and designing efficient power management systems with PMICs, DC-DC converters, and LiPo charging circuits.

Welcome to my profile. Following are my key expertise: 1. Over 10 years of experience in electronics circuit design, PCB design, Layout specializing in analog, digital and mixed signal systems. Specia... Read more

Welcome to my profile. Following are my key expertise: 1. Over 10 years of experience in electronics circuit design, PCB design, Layout specializing in analog, digital and mixed signal systems. Special Mastery in ALTIUM. Executed more than 500 projects 2. Proficient in using industry-standard design tools such as Altium Designer, EAGLE, KICAD, EASYEDA and PROTEUS, ensuring accurate and efficient circuit development. 3. IPC Certified Symbols and footprints Creation, High Speed PCB Design upto 5GHz 4. Multilayer PCB Design experience upto 32 Layers, Impedance Control, Length Matching, Antenna Tuning, Blind Vias, Buried Vias, Through Hole Vias 5. DFX(Design for Excellence) - DFA, DFM and DFT. First Time Right PCB - 98% 6. Compact PCB Design, Signal Integrity, Power Integrity, Single Sided, Double sided placement 7. Design Verification through Design Checklists ensuring robust, reliable and quality design 8. Applications- IOT, Consumer, Medical, Industrial, Defense etc 9. Microcontroller Interfacing - STM32, STM8S, ESP32, ESP8266, NXP, TI chipsets etc 10. Wireless Products, Battery Operated, Low Power, Low cost 11. Design Optimization - Could optimize design of any product by at least 25% 12. Design for Quality, Design Review 13. PCB Prototyping, Contract Manufacturing 14. Firmware Development - ARDUINO, C, C++ etc 15. Enclosure Design, 3D Printing, Sheet Metal, 16. Production Support 17. EMI EMC Compliant Design - RE, EMHF, Surge, EFT, Burst, Impulse, 35KV 18. Standards Experience - UL, CISPER, CE, Please contact me if you would like to develop a robust and reliable product If you are looking to bring your idea to life, contact me :)

Designing pcb and circuit from concept to reality with expertise in embedded system and pcb designing, with three years of experience in industrial and customizable project. designing high speed pcb w... Read more

Designing pcb and circuit from concept to reality with expertise in embedded system and pcb designing, with three years of experience in industrial and customizable project. designing high speed pcb with reliability and efficiency, with signal and power integrity.

Twelve years experience in progressive positions as a high-tech hardware/product design engineer. Successfully brought 30 new digital communication products (100+ SKUs) to market. Experience across... Read more

Twelve years experience in progressive positions as a high-tech hardware/product design engineer. Successfully brought 30 new digital communication products (100+ SKUs) to market. Experience across the full development cycle: - Product definition - System architecture - Component selection - Circuit design - Schematic capture - PCB layout - Bring up, testing and design verification - System integration - Debugging and troubleshooting - NPI engineering and design optimization - Manufacturing support Consistently delivered designs to enable truly world beating products such as a wireless motion sensor 55% smaller and 80 Watt block up-converter 60% smaller than their closest competitors, and first to market Thunderbolt 3 machine vision camera. Major design experience with: - Digital design up to 40 Gbps - RF design up to 2.4 GHz - Ethernet up to 10 Gbps - USB-C - Wi-Fi - Thunderbolt 3 - Zigbee - IOT - FPGAs - Ultra low power (uA) devices - Image sensors and many other sensors - Power Supplies - Signal integrity issues and impedance-controlled design - Design for EMC to ultra strict MIL-461 standard - FCC, CE and US military certifications - Satellite communication systems and products - SMT and manual assembly and rework - Automated test design - Advanced test equipment Proven ability to lead projects to successful conclusion, build rapport and drive communication amongst diverse stakeholders, and author first-class formal technical documents.

As a DAE in Electronics with 03 years at the Pakistan Navy's Naval Precision Electronics Complex (NPEC), I specialize in precision multi-layer PCB design, ensuring optimal signal/power integrity and D... Read more

As a DAE in Electronics with 03 years at the Pakistan Navy's Naval Precision Electronics Complex (NPEC), I specialize in precision multi-layer PCB design, ensuring optimal signal/power integrity and DFM/DFT adherence. My experience in mission-critical systems, including advanced radars and sonars, demonstrates a strong capability in complex electronic troubleshooting and problem-solving, making me adept at delivering robust and reliable designs for diverse projects.

I am a highly skilled Electronics and Embedded Systems Engineer with a specialized focus on high-speed PCB design and system-level hardware integration. My expertise lies in bridging the gap between c... Read more

I am a highly skilled Electronics and Embedded Systems Engineer with a specialized focus on high-speed PCB design and system-level hardware integration. My expertise lies in bridging the gap between complex digital logic and physical hardware, having successfully designed and prototyped sophisticated multi-processor platforms and IoT solutions. ​Core PCB Design Competencies ​My technical proficiency spans the entire hardware development lifecycle, from initial schematic capture to manufacturing and prototyping workflows. ​High-Speed Interface Design: I have extensive experience routing and integrating high-speed protocols including PCIe, DDR3/DDR4, USB 3.0, Gigabit Ethernet, and MIPI CSI/DSI. ​Multi-Processor Architectures: My work includes designing complex boards that integrate CPLDs (EPM240) for deterministic IO, STM32 microcontrollers, and RK3568 Linux SBCs. ​RF & Wireless Integration: I specialize in the integration of LoRa (SX1276), GPS, Wi-Fi, and BLE modules, ensuring optimal antenna performance and signal integrity. ​Design Tools: I am certified and proficient in industry-standard EDA tools, including Altium Designer, KiCad, and EasyEDA. ​Proven Project Impact ​Universal Control Platform (2025): Acted as the system architect for a high-performance board featuring Hailo-8 AI accelerators via PCIe and complex MIPI camera interfaces. ​IGURU Farm GPS Tag System: Led the electronics design for LoRa-enabled livestock tracking collars, managing everything from PCB layout and antenna integration to rigorous field testing. ​Payment & Security Systems: Developed robust hardware for NFC/RFID payment terminals, implementing secure transaction logging to SPI flash and reliable network uplinks. ​With a focus on reliability and innovation, I leverage advanced prototyping workflows including JLCPCB integration to deliver high-quality electronic systems for industrial, agritech, and security applications.

Product manager Professional on managing and developing new electromechanical (such as compressor base and turbofan ventilators) product by using Microsoft project software. Design SharePoint Website... Read more

Product manager Professional on managing and developing new electromechanical (such as compressor base and turbofan ventilators) product by using Microsoft project software. Design SharePoint Website and Solidwork PDM Data management Manage to create molding plastic injection parts of a product. Manage to build and installation of product prototypes by collaboration with chines company. Embedded Programming Embedded programming with graphical libraries such as LittlevGL and TouchGFX Embedded programming with RTOS such as embOS and FreeRTOS Coding ARM microcontroller in IAR and Keil IDE Coding AVR microcontroller by Codevision and Atmel studio IDE The ability of programming with Matlab, C++, C#, and Assembly languages FPGA Programming, synthesizing, simulating, implementation of the Xilinix FPGA program with Verilog language Standard knowledge about standard such as: Achieve CE for medical devices ATEX Standard: IEC 60079-0 ,IEC 60079-1, IEC 60079-11, IEC 60079-25, IEC 79-3 EMC IEC61326-1 IP Standard: IEC60529, ISO NEMA, SIL, NIST standards safety requirements for electrical equipment (IEC 61010-2-030) Web Design Designing a static and dynamic website with and without content management system (CMS) The ability of programming with PHP, HTML, CSS languages Electronic Engineering Reverse engineering electronic circuits and devices Professional on designing multi-layer analog and digital electronic board by Altium DXP Strong knowledge about signal integrity issues such as Reflation, termination, Controlled impedance, EMI, Crosstalk, Differential traces, Power distribution, High-frequency Losses lines, Short Wavelengths, Control trace temperatures Professional on signal measurement by industrial measurement tools such as Spectrum Analyzer, Oscilloscope, Function Generator, Arbitrary Waveform Generator, Tracking Generator, Soldering and Disordering Station, LRC Meter, Multimeter Soldering and assembling surface mount device (SMD) Designing switching Power Supply Instrumentation Instruments Setup and have knowledge about the concept of instrumentation equipment such as Pressure transmitter, Temperature transmitter, Recorder, Level Switch, Level Transmitter knowledge about Industrial Network such as Profibus, Foundation Fieldbus, HART and DCS Experience of working with Siemens PLC logo, S7 300/400 series Pneumatic Setup and have knowledge about pneumatic instrument and systems. Computer knowledge Setup and maintenance of computer networks (Network+) Maintenance of personal computers and servers (A+) Documentation Professional in project documentation by using Microsoft Word, Excell, Visio, and Adobe Photoshop, Coreldraw software. Analysis of materials Material analysis with SEM,TEM,BET, XRD ,VSM