Circuit Designers For Hire
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Sponsored Freelancers
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engrusmanfaiz engrusmanfaiz
$25 USD / hour
Expert PCB Layout|AI Firmware RF Embedded IoT|FPGAPakistanI’m an experienced over 10 years PCB and Embedded Systems Engineer specializing in hardware–firmware integration, RF design, and IoT product development. Electrical and Embedded Systems Engineer with over 10 years of experience in PCB design, embedded firmware development, and hardware system integration. Proven...I’m an experienced over 10 years PCB and Embedded Systems Engineer specializing in hardware–firmware integration, RF design, and IoT product development. Electrical and Embedded Systems Engineer with over 10 years of experience in PCB design, embedded firmware development, and hardware system integration. Proven expertise in ESP32, STM32, Arduino, MATLAB, and Altium Designer. Strong background in delivering production‑ready designs for IoT, automation, and industrial applications. Core Skills - Embedded Systems (ESP32, STM32, Arduino) - PCB Design – Altium, KiCad - Firmware Development (C/C++) - MATLAB / Simulink / LabVIEW - Communication Protocols: UART, SPI, I2C, CAN - IoT Systems & Sensors - Hardware Debugging & Testing - Power Electronics & Control Systems My focus is on precision, efficiency, and reliability from concept to prototype. I specialize in transforming ideas into reliable, production-ready electronic systems from schematic to firmware to prototype. 💡 Core Expertise 🔹 PCB Design & Hardware Development Expert in Altium Designer, KiCad, Eagle, and EasyEDA High-speed multilayer PCB design with analog/digital mixed-signal precision Proven experience with BMS boards, IoT devices, RF modules, and motor drivers Emphasis on EMC compliance, low-noise layout, and manufacturability 🔹 Embedded Systems & Firmware Engineering Proficient in C/C++, FreeRTOS, and bare-metal programming Platforms: STM32, ESP32, PIC, Arduino, nRF52, Raspberry Pi Integration of sensors, actuators, communication interfaces, and wireless modules Focused on power optimization, real-time control, and efficient resource use 🔹 RF, IoT, Raspeberry PI & Wireless Communication Skilled in Wi-Fi, BLE, Zigbee, LoRa, and custom RF design PCB antenna tuning and matching network design Cloud & data integration via MQTT, HTTP/HTTPS, and Python automation 🧠Secondary Expertise 🔸 Simulation & Modeling MATLAB/Simulink for control, signal processing, and dynamic systems LTSpice, Multisim, Proteus for analog/digital circuit simulation 🔸 Test, Measurement & Automation LabVIEW NI for data acquisition, visualization, and industrial automation Real-time system design, test bench automation, and measurement control 🎯 Why Choose Me ✔ Master’s-level expertise in Embedded & Electronics Design ✔ Cross-domain proficiency: Hardware + Firmware + RF ✔ Precise documentation — schematics, BOM, and Gerber files ✔ Fast communication, full confidentiality, and milestone-based delivery ✔ Free post-project support for long-term client satisfaction Let’s turn your concept into a powerful, real-world product with precision, reliability, and innovation. Best regards, Engr. Muhammad Usman PCB | Embedded | RF | IoT | MATLAB | LabVIEW less
Hire engrusmanfaiz
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My name is JAMAL and I can help you with Mobile/Web App Development using Flutter Development with following human resource: With over 2 years of hands-on experience in Flutter development, he has been involved in the complete mobile app lifecycle—from planning and UI/UX design to development, deployment, and...My name is JAMAL and I can help you with Mobile/Web App Development using Flutter Development with following human resource: With over 2 years of hands-on experience in Flutter development, he has been involved in the complete mobile app lifecycle—from planning and UI/UX design to development, deployment, and maintenance. He has successfully launched 20+ apps on the Google Play Store, each reflecting his commitment to delivering reliable, user-friendly, and performance-optimized solutions. Alongside mobile development, he specializes in AI-powered solutions. His technical toolkit includes: Python scripting for automation and data processing Node.js for building scalable and efficient backends SQL Server for robust database design and management This combination enables him to not only build intelligent front-end experiences but also design and maintain the data-driven systems behind them. He thrives on merging creativity with technology, whether it’s integrating AI into mobile workflows, automating complex processes, or architecting scalable solutions. He is willing to contribute his skills, creativity, and problem-solving mindset to your innovative team and help shape the future of smart software solutions. He would welcome the opportunity to discuss how his background and vision align with your mission. I myself have expertise in following fields of technology. (Apart from my experience, I will get idea from you and will deliver the complete working project) a. Microcontroller programming; 1. Nordic (nRF51, nRF52, nRF53) 2. TI (CC13xx, CC25xx, CC26xx, CC32xx) 3. 8051 (Atmel, Intel, Nuvoton) 4. STM (STM8, STM32, BlueNRG-1, BlueNRG-2) 5. AVR (8- Bit, 32-Bit) 6. Cypress BLE PSoCs 7. Dialog's DA1458x, DA1453x 8. ESP12, ESP32 b. Electronic Development Boards; 1. Arduino 2. STM32 Discovery 3. TI's Launchpad c. Electronics Modules; 1. RFID and Fingerprint Module 2. RF Tranceivers(Silicon Labs chips, Zigbee, Wifi and Nordic etc) 3. Camera Modules(Omnivision) 4. SD card and memory chips 5. All type of displays ie LCD, GLCD, TFT, LED, OLED etc 6. IoT Modules d. Computer Software 1. Keil, Code Composer Studio 2. AVR Studio, MPLAB, STVD 3. Altium, Eagle 4. Cypress PSoC Creator 5. Android Studio I can develop android apps and IoT projects with online database management. less
Hire amelectronics
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⚡ Professional Embedded Systems & Product Design Expert | 15+ Years Freelance Experience ⚡ For the past 15 years, I’ve been a full-time freelance product designer, delivering high-quality hardware and firmware solutions for both industrial and consumer markets. From concept to prototype to production, I help bring...⚡ Professional Embedded Systems & Product Design Expert | 15+ Years Freelance Experience ⚡ For the past 15 years, I’ve been a full-time freelance product designer, delivering high-quality hardware and firmware solutions for both industrial and consumer markets. From concept to prototype to production, I help bring ideas to life, efficiently, reliably, and with long-term support in mind. Whether you need hardware design, sensor data acquisition, power systems, firmware development, or complete system integration, I offer end-to-end solutions tailored to your goals. ✅ What I Offer ⚡ Hardware Design & Prototyping • 15+ years with Altium, KiCad, and Eagle • Expertise in embedded, mixed-signal, and analog systems • Battery and Solar Powered Systems • Sensor integration & industrial IoT hardware • Skilled in SPICE simulation (LTspice, TINA-TI) • Fully equipped in-house lab for testing and validation ⚡ Firmware & Embedded Development • 20+ years of C programming with GCC, SDCC, CCS • STM32, ESP32, Microchip 8/16/32-bit, TI MSP430/MSP432, C2000 • Power-efficient firmware, custom bootloaders, and protocols • FreeRTOS and Bare-Metal programming ⚡ Connectivity & Communication • RS485, CAN, LIN, USB, Ethernet • Wi-Fi, GSM, LTE, LoRa, BLE, Sub-GHz RFs • Any type of sensor/device integration ⚡ Software Integration • Desktop app development using MSVC, GCC • Bridging hardware with desktop tools or automation systems ⚡ Production & Supply Chain Support • BOM cost optimization & component sourcing • Established connections with Chinese manufacturers and supply chain management • Low to mid-volume production support ✅ Why Work With Me • End-to-End Expertise: With 20+ years of experience in electronics and programming, I bring equal proficiency in both hardware design and firmware development, ensuring seamless integration between the two. • Project Ownership: From schematic capture and PCB layout to embedded firmware and system validation, I take full responsibility across the entire development cycle. • Quality Assurance: My work is backed by lab-grade test equipment, simulation tools, and a rigorous validation process to guarantee accuracy and reliability. • Post-Delivery Support: I provide long-term assistance beyond delivery, helping you through product updates, field issues, and lifecycle management. • Intellectual Property Respect: I treat your IP with the utmost confidentiality. Your designs, code, and data are fully protected and never reused or shared. • Reliable Collaboration: Having worked with clients globally, I understand how to communicate clearly, meet deadlines, and deliver results that align with your vision. ✅ Let’s Connect No pressure, no obligation. If you have a concept or challenge you'd like to discuss, feel free to message me. I’m happy to explore how I can help turn your ideas into working, manufacturable solutions. less
Hire cpp2048
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With 6+ years of hands-on engineering experience, I help clients turn complex technical ideas into validated, build-ready solutions—not just models or simulations. I work at the intersection of mechanical design, simulation, and control systems, supporting projects from early concept validation through detailed...With 6+ years of hands-on engineering experience, I help clients turn complex technical ideas into validated, build-ready solutions—not just models or simulations. I work at the intersection of mechanical design, simulation, and control systems, supporting projects from early concept validation through detailed engineering and optimization. How I help clients succeed: MATLAB & Simulink simulations to de-risk concepts, visualize system behavior, and validate control strategies early CAD development in SolidWorks and AutoCAD, producing clean, manufacturable models ready for prototyping or production FEA & CFD using ANSYS / Fluent and SolidWorks Simulation to verify strength, thermal performance, flow behavior, and reliability Mechanical vibrations & control systems expertise to identify instability, resonance, and performance limits before they become costly problems I focus on clear communication, disciplined execution, and engineering decisions that save time, cost, and rework. If you’re looking for an engineer who thinks beyond drawings and simulations—let’s connect and move your project forward with confidence. less
Hire iamhamzazaki
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DearSir, My background is related with: -Digital Motor Control -Analog Design -Electronic Design -PowerElectronics -Renewable energy -PCB design -Embedded system -Matlab -Simulation of hardware For each concept descriptions are as follows: Digital Motor Control: -3-phase induction motor vector control drive -Flux...DearSir, My background is related with: -Digital Motor Control -Analog Design -Electronic Design -PowerElectronics -Renewable energy -PCB design -Embedded system -Matlab -Simulation of hardware For each concept descriptions are as follows: Digital Motor Control: -3-phase induction motor vector control drive -Flux estimation algoritm generation -DSP(TMS320) implementation on motor drive -Low speed application -Torque and speed loop generation -Control algoritms -BLDC motor -Step motor -DC motor Analog design -Low power distribution -Noissless special opamp based analog circuits -Analog filters -Orcad simulation of several circuits Electronic Design -RF transmitter and receiver -Bluetooh reade rand transmitter -Magneticreader PowerElectronics -Implementation motor drive -AC/DC converter -DC-DC converter -Battery charger -Solar inverter -Renewable Energy -Uninterruptle power supplies PCB design -Schematic design by Altium -PCB design by Altium -Power board design -SMPS board design -Easyeda -CAD files of manufacturers Embedded system -ESP32,ESP8266,modules -Bluetooth and Wifi -PIC18,PIC24,PIC30 and dsPIC applications -Ardino -MSP430 -Atmel -DSP(Texas Instruments) -Renesas -STM32 -C2000 Matlab -Power Electronics simulation -Motor drive -WindEnergy -Solar Energy -Control applications Simulation of Hardware -Orcad Simulation (TI,National, LinearTech, Maximlibraries) -LTI -National -Matlab -Easyeda less
Hire macroenergy
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Hello, My name’s Saddam Gul, and I’m an Electronics Engineer who is highly educated and skilled in a plethora of different build and project types. I have operated as a freelancer for the past 6 years and have fantastic ratings from my past customers, as can be seen in the Ratings section of my profile. I have...Hello, My name’s Saddam Gul, and I’m an Electronics Engineer who is highly educated and skilled in a plethora of different build and project types. I have operated as a freelancer for the past 6 years and have fantastic ratings from my past customers, as can be seen in the Ratings section of my profile. I have knowledge and experience with all of the following, which I offer as services to all my clients: • Analog and Digital Circuits Design • Circuit Schematic Design • PCB Layout Design • Circuit Simulations • Matlab Coding • Matlab Simulink Simulations • FPGA Verilog/VHDL Coding • C/C++, Java, and C# Coding • Electronics Circuit Prototype Development and Testing • Embedded System • Microcontroller Coding • IoT • Power Electronics • Digital Logics Design • Android and IOs App Development • Web App Development I am also an expert in these software tools but not limited to: Circuits and PCB layout designing Tools/Software 1- Altium Designer 2- Diptrace 3- Easyeda 4- Kicad 5- Circuit Maker Simulations Software 1- Matlab Simulink 2- Proteus 3- Logisim 4- PSIM 5- Multisim Programming Software 1- Arduino IDE 2- Dev C++ 3- Visual Studio 4- Maple 5- Code Composer Studio (CCS)" 6- Flutter I work 6 days a week, and am available at all hours during those days. All my work is guaranteed to be on time AND on budget, and I am always available to answer any questions or concerns you may have during the completion of your product. Any questions? Interested in working with me? Send me a message or hit the ‘Hire Me Now’ button and let’s get started! less
Hire saddamgul842
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✋ Hi, I’m Mairaj Ali, a verified Electrical/Electronics Engineer and Professional PCB Designer with over 8 years of experience in designing high-quality circuit boards using Eagle, Altium, KiCAD, and EasyEDA. Also I am a professional Certified EasyEDA designer (Certificate is attached in portfolio section). My...✋ Hi, I’m Mairaj Ali, a verified Electrical/Electronics Engineer and Professional PCB Designer with over 8 years of experience in designing high-quality circuit boards using Eagle, Altium, KiCAD, and EasyEDA. Also I am a professional Certified EasyEDA designer (Certificate is attached in portfolio section). My expertise lies in the following areas: ✅ PCB Design & Prototyping using Eagle, Altium, KiCAD, EasyEDA ✅ CAD/Housing Design for PCBs in Fusion360 ✅ MATLAB/SIMULINK & Python programming ✅ Embedded Systems design (Arduino, AutoCAD, Multisim, Proteus, LTspice, PSpice, C/C++) ✅ VHDL/Verilog HDL, Xilinx, and FPGA development ✅ Research & Technical Writing (Plagiarism Removal, Academic Writing, and Thesis Writing) ✅ Advanced Engineering Mathematics (Calculus, Differential Equations, Numerical Methods, Linear Algebra) ✅ Expertise in LaTeX for high-quality document formatting I am a Preferred Freelancer, ranking among the top 1% of skilled professionals. My passion for PCB design and embedded systems drives me to deliver the best solutions on time and within budget. Whether you're looking for custom PCBs, embedded solutions, or writing services, I can help you achieve your goals. Let’s turn your ideas into reality. Feel free to check my portfolio and message me to discuss your project anytime – I’m available 24/7. #PCB #PCB_designing #Electrical #Electronics #ElectricalEngineering #MATLAB #SignalProcessing #Mathematics #Latex #AutoCAD less
Hire mairajali11
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Hi everyone, I have 12+ years of experience as a PCB designer, PCB production manager and salesman at READA PCB Technology Co., LTD in Shenzhen, China. Excellent PCB design skills and firmware development using embedded C and python. Rich experience in handling everything from concept to end products. My expertise...Hi everyone, I have 12+ years of experience as a PCB designer, PCB production manager and salesman at READA PCB Technology Co., LTD in Shenzhen, China. Excellent PCB design skills and firmware development using embedded C and python. Rich experience in handling everything from concept to end products. My expertise and skills: 1. schematic and PCB design(Altium Designer, Eagle, Allegro, Circuit Studio, KICAD and EasyEda) ✅ various kinds of Arduino and Raspberry Pi compatible HAT and breakout board ✅ Quectel's GSM/GPRS/LTE modem ✅ Battery Management System circuit design ✅ ESP8266, ESP32WROMM/WROVER, nRF52832 and nRF52840 ✅ USB2.0/3.0/3.1 hub design ✅ RF design and high-speed signal layout design ✅ FPGA board with DDR2/DDR3/DDR4 ✅ IoT sensors ✅ ublox neo6m, ublox neo8m GPS module 2. Manufacturing PCB production and PCBA and Component sourcing from a local company located in Shenzhen, China 3. Ordering PCB&PCBA from JLCPCB, SEEED STUDIO, and PCBWAY 4. Firmware Development ✅ Arduino programming in Arduino IDE and Visual Studio Code ✅ Raspberry Pi programming in PyCharm ✅ ARM chip programming in Atmel Studio, Zerynth IDE and Keil ✅ PIC chip programming in MPLAB Please contact me if you want to bring your ideas in the electronics field to fruition. I will provide the best design, high quality, cost-effective production price, and fast delivery. Thanks less
Hire TingWang250617
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Hi, my name is Milos. I am passionate about transforming complex technical ideas into marketable products. I provide end-to-end expertise in advanced PCB design, accessory alignment, and temporary alignment development across 10 fixed environments, including IoT, robotics, and ultra-low-power devices. I have a proven...Hi, my name is Milos. I am passionate about transforming complex technical ideas into marketable products. I provide end-to-end expertise in advanced PCB design, accessory alignment, and temporary alignment development across 10 fixed environments, including IoT, robotics, and ultra-low-power devices. I have a proven track record of designing devices for aerospace, military, amateur radio, and commercial applications. I am proficient in industry-standard PCB design software such as Altium, Eagle, KiCad, and EasyEDA, and possess in-depth knowledge of RF design, USB interfaces, high-speed data transmission, impedance matching, and EMI reduction. I am committed to providing high-quality, manufacturable electronic solutions that meet industry standards and customer specifications. Core Competencies • Electronic Design: Analog, Digital, RF, and Electronics • PCB Design Software: Altium Designer, Eagle CAD, KiCad, EasyEDA • Areas of Expertise: RF Circuits, USB Interfaces, Service Data Transmission, Communication Management, EMI Mitigation • Project Areas: Air Force, Military, Wireless Services, Service Products • Industry Knowledge: We have expertise in manufacturing standards, DFM best practices, and industry-recognized technologies. • Innovation: I have proven patents and unique technology developments. Ready to turn your innovative idea into a high-quality product? Let's connect to discuss how my expertise can drive your project's success. less
Hire milosk4
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As an embedded software and hardware engineer, I am responsible for designing and developing software and hardware solutions for embedded systems. -Designing and developing software for embedded systems: I write code on microcontrollers, processors, and other embedded devices. This includes low-level programming,...As an embedded software and hardware engineer, I am responsible for designing and developing software and hardware solutions for embedded systems. -Designing and developing software for embedded systems: I write code on microcontrollers, processors, and other embedded devices. This includes low-level programming, driver development, and firmware development. -Designing and developing hardware for embedded systems: I design electronic circuits, choose components, and create schematics for the hardware components of embedded systems. This includes PCB layout, debugging, and testing. -Integrating software and hardware components: I work to ensure that the software and hardware components of embedded systems are properly integrated and work together seamlessly. -Debugging and testing: l use tools such as oscilloscopes, logic analyzers, and debuggers to diagnose and fix issues with embedded systems. -Documentation: I create documentation for the software and hardware components of embedded systems, including design specifications, test plans, and user manuals. -Collaboration: I work closely with other engineers and teams, including hardware engineers, software engineers, and quality assurance teams, to ensure that embedded systems meet project goals and timelines. As an embedded software and hardware engineer, I play a critical role in developing and delivering reliable and high-performance embedded systems that meet the needs of customers and end-users. less
Hire faytek
