Circuit Designers For Hire
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Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product development. I am passionate about transforming ideas into reality through meticulous design and development -Core...Thank you for visiting my profile. My name is Marko Aleksic, a dedicated electronic hardware and firmware engineer specializing in creating innovative and high-quality solutions for electronic product development. I am passionate about transforming ideas into reality through meticulous design and development -Core Competencies: -PCB Design & Development: Expert in designing reliable, high-performance printed circuit boards (PCBs). Specialization in power supply circuits (DC-DC, AC-DC conversions) and multilayer designs for embedded systems. Proven track record in developing efficient LED driver circuits and RF PCB layouts. -Firmware Development: Extensive experience programming microcontrollers including STM32, DSPIC, ESP32 and ESP8266. Mastery of communication protocols such as UART, SPI, Ethernet, USB, CAN, and MODBUS for seamless integration. Proficient in implementing wireless technologies including Wi-Fi, Bluetooth, and ZigBee. -RF Design & Analysis: Strong capabilities in RF circuit design, antenna optimization, and simulation for applications like WiFi, Bluetooth, and RFID. Expertise in developing RF filters, splitters, transceivers, and power amplifiers tailored to specific application needs. I am committed to delivering cost-effective, high-quality solutions without compromising performance or deadlines. I welcome the opportunity to connect and discuss how I can contribute to your projects. less
Hire markoa7
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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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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 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, I'm Raseduzzaman Ruman, a passionate and results-driven PCB Design Engineer with 6+ years of experience transforming innovative ideas into production-ready, reliable electronic hardware. I’ve successfully delivered PCB designs for IoT devices, power electronics, industrial control systems, and RF/high-speed...Hi, I'm Raseduzzaman Ruman, a passionate and results-driven PCB Design Engineer with 6+ years of experience transforming innovative ideas into production-ready, reliable electronic hardware. I’ve successfully delivered PCB designs for IoT devices, power electronics, industrial control systems, and RF/high-speed communication boards. Whether you're a startup prototyping your first product or an established company optimizing for production, I’m here to help you reduce costs, improve performance, and accelerate time-to-market. If you have a clear idea and need a dedicated expert to turn it into a manufacturable PCB, I’ll support you through every phase—from schematic capture to final testing. Core Services ✅Schematic Capture & Component Selection ✅ Multilayer PCB Layout (2–12 Layers, impedance controlled when required) ✅Power Electronics Design (DC-DC, SMPS, BMS) ✅RF & High-Speed PCB Design (USB, Wi-Fi, BLE, GSM, GPS, etc.) ✅ Microcontroller-Based PCB Design with multiple analog and digital sensor integration ✅ DFM Review & Optimization ✅ Gerber, BOM, Pick-and-Place File Generation ✅ Redesign, Reverse Engineering, Cost Optimization ✅ Prototyping & Production Support ✅Ordering PCB & PCBA from JLCPCB or PCBWay. Tools & Platforms I use ⚙️ PCB CAD Software: ✅Altium Designer, Autodesk Eagle, EasyEDA, KiCad ⚙️ Simulation Software: ✅ LTSpice, PSpice, Proteus, Multisim, TINA-TI, Fritzing ⚙️ Firmware (for hardware validation): ✅Languages: C/C++, Python ✅IDEs: Arduino IDE, Platform IO, STM32CubeIDE ⚙️ Communication Protocols: ✅Proficient in microcontroller and sensor communication through I²C, SPI, UART, RS-232, CAN, 1-Wire, I²S. ⚙️ Wireless & IoT: ✅Proficient in integrating IoT protocols like BLE, Wi-Fi, GSM, GPS, Zigbee, and Lora. ⚙️ Testing & Debugging ✔Test plan creation and validation ✔Fault resolution and root-cause debugging ✔User manuals and technical documentation ✔Full support during product testing and iteration Why Clients Choose Me ✔ 6+ years of proven PCB design success across industries ✔ Precision layouts with signal and power integrity best practices ✔Circuit validation through simulation and datasheet-based analysis ✔Effective collaboration with firmware & MCAD teams ✔ Strong sourcing knowledge and BOM cost control ✔ End-to-end support from design to production ✔ Timely delivery, transparent communication, and full project ownership ✔NDA-ready and IP-respectful work ethic Let’s Build Something Great Together If you're looking for a skilled PCB design expert who can bring your electronic product to life with precision and speed—let's talk! ✅ Click "Invite to Job" or send me a message to discuss your project today! less
Hire PCBDESIGNER38
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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
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Hi, my name is Busra. I am electrical & electronics engineer. I have worked in many fields. Throughout my career, I have worked on a wide range of embedded system projects, focusing on developing software and hardware that adhere to industry standards. I also have skills in programming for various platforms (such as...Hi, my name is Busra. I am electrical & electronics engineer. I have worked in many fields. Throughout my career, I have worked on a wide range of embedded system projects, focusing on developing software and hardware that adhere to industry standards. I also have skills in programming for various platforms (such as ARM, AVR) and PCB design for embedded systems. Microcontrollers Arduino Boards ESP32/ESP8266 Raspberry pi stm32f407G-DISC1 stm32f4 nucleo Sensors and Modules: RFID Ultrasonic Sensor Temperature or Humidity Sensors Soil moisture Gas LCD LDR Motor driver CANBUS IoT platforms Blynk Adafruit.io Thingsboard.io PCB Design kiCAD EasyEDA Altium Designer less
Hire busratop
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I have many years of experience in the design of programmable Power electronics systems, and RF Communication elctronics. I make very accurate simulations of my designs using multiple softwares, and make very detailed analysis on all designs. I program ARM chips, AVR chips, and build communication circuitry for RF...I have many years of experience in the design of programmable Power electronics systems, and RF Communication elctronics. I make very accurate simulations of my designs using multiple softwares, and make very detailed analysis on all designs. I program ARM chips, AVR chips, and build communication circuitry for RF communication purposes. I also produce new and industry compliant designs which make for better product functionality while keeping cost low, and quality over the bar. I have worked on stable Power Factor Correction Power supplies, Excellent efficiency Solar charge controllers for massive solar farms, and many more. I have designed very fast response cheap and high speed ADC dev boards and programmed multiple MCUs of different kinds. I am a very fast learner, and I'm very happy to add changes as a project goes on. I'm easy going and will always do my best to get you utmost satisfaction with your project. I'm sure you'll love the experience. Just like others I have worked for. I also construct and ship PCB designs for projects too. I do a lot more than what is available here, please chat with me and you will find out how much help i can be to you. less
Hire peterslance
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I am an RF and electronics design engineer from Ukraine with strong experience in antenna design, RF PCB layout, and general electronic hardware development. I focus on practical, manufacturable designs with predictable performance. Core expertise: - RF PCB layout (impedance control, grounding, isolation, EMI...I am an RF and electronics design engineer from Ukraine with strong experience in antenna design, RF PCB layout, and general electronic hardware development. I focus on practical, manufacturable designs with predictable performance. Core expertise: - RF PCB layout (impedance control, grounding, isolation, EMI reduction) - High-speed and mixed-signal PCB design (impedance and length matching) - Schematic & PCB layout and BOM for production-ready hardware - Power supply and filtering design - Antenna design and tuning (GNSS, Wi-Fi, ISM bands...) Typical work: - Wi-Fi, BLE, LoRa, and custom RF hardware - Compact and embedded antennas - Multilayer PCBs optimized for performance and cost - Design review, layout correction, and RF/EMI troubleshooting Tools: - RF design and simulation tools (ADS, CST, and HFSS) - PCB design tools (Altium, KiCAD, OrCAD, PADS, and EasyEDA) - Others (NI Multisim, Proteus, Matlab...) Thanks for visiting my profile. less
Hire leonidye
