Circuit Designers For Hire
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Hire tshibsamuel477
My name is Samuel, and I am a mechatronic engineer with a specialization in mechatronics, based in Tunisia, with over six years of experience. During this time, I have successfully delivered a wide range of projects, continually expanding my expertise and refining my skills. I am now offering my professional services...My name is Samuel, and I am a mechatronic engineer with a specialization in mechatronics, based in Tunisia, with over six years of experience. During this time, I have successfully delivered a wide range of projects, continually expanding my expertise and refining my skills. I am now offering my professional services in designing and prototyping electronic boards using Altium Designer. My PCB design expertise encompasses: Single and Multi-sheet Schematics Single/double-sided and Multi-layer PCB layouts Data and control interfaces: UART, USB, SPI, I2C, SDIO, PCIe, and more Power supply design, including SMPS & LDOs Digital video, audio, and multimedia interfaces: HDMI, MIPI DSI/CSI, I2S, TDM Reverse engineering for existing designs With a commitment to quality and precision, I am ready to bring your electronic board designs to life. less -
Hire markoa7
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 leonidye
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 preetpalsingh33
preetpalsingh33 preetpalsingh33
$25 USD / hour
Circuit, PCB Design, IOT, Android/IOS, 3D CAD/CAMIndiaI have 12+ years of experience on Circuit design, Schematic, Hardware design, PCB design, Firmware, C/C++, Micro Python, App (IOS/Android), Java, Flutter, React Native development, Mechanical CAD/CAM design and 3D printing. SERVICES & EXPERTISE End-to-End Product Development Android & iOS Application...I have 12+ years of experience on Circuit design, Schematic, Hardware design, PCB design, Firmware, C/C++, Micro Python, App (IOS/Android), Java, Flutter, React Native development, Mechanical CAD/CAM design and 3D printing. SERVICES & EXPERTISE End-to-End Product Development Android & iOS Application Development Schematic & PCB Design BOM Preparation Gerber File Generation PCB Fabrication & Assembly Support 3D Design & Rapid Prototyping CORE SKILLS Embedded & Hardware Circuit Design & Analysis Schematic Design PCB Design (Multi-layer) High-Speed & Analog Design BOM Preparation Gerber Generation & Fabrication Support PCB Assembly & Testing Hardware Debugging & Validation MICROCONTROLLER EXPERIENCE: STM Series: STM32, STM8 Microchip: PIC32, PIC18F, PIC16F, PIC12F Nordic: nRF52832, nRF52840 (BLE-based systems) Espressif: ESP32, ESP8266 Arduino Platforms: Nano, Pro Mini, ATmega Tiny Raspberry Pi Pico PCB & Electronics CAD Altium Designer KiCad Eagle EasyEDA Firmware & Programming: Embedded C / C++ MicroPython RTOS-based Development Peripheral Interfaces (UART, SPI, I2C, ADC, PWM) Mobile & Software Development: Android Development iOS Development Java Flutter React Native Mechanical & Prototyping: 3D Modeling 3D Printing Product Prototyping Mechanical CAD/CAM Autodesk Inventor FreeCAD less -
Hire cpp2048
⚡ 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 mdjavedakhtar
Hello everyone! At Smartimate Tech Solutions we always try to provide best solutions to our clients for all their Iot, Automation and App development needs. Our expertise on different software includes: ● Arduino ● EspresssIF ● STM32 ● .Net MAUI ● Azure We aim to deliver the utmost satisfaction to my...Hello everyone! At Smartimate Tech Solutions we always try to provide best solutions to our clients for all their Iot, Automation and App development needs. Our expertise on different software includes: ● Arduino ● EspresssIF ● STM32 ● .Net MAUI ● Azure We aim to deliver the utmost satisfaction to my clients and offer them the best quality results. Our services include: ● Automation Software development and hardware design ● STM32 Firmware development ● Espressif Development ESP12, ESP32, ESP8266 (NodeMCU, WemOS etc), ESP-CAM ● Firmware Development for Arduino such as Arduino Nano, Mega, UNO, etc.) ● Windows IoT Development ● Raspberry Pi Development ● Electronics design ● .Net MAUI Multiplatform Development (Android, IOS, Windows, macOS) less -
Hire TingWang250617
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 tetianam8
I am a dedicated Electronic Hardware and Firmware Engineer with over 15 years of experience in electronic engineering. My expertise encompasses designing and developing complex PCB layouts, embedded systems, and IoT solutions tailored to client needs. Throughout my career, I've led projects from concept to production,...I am a dedicated Electronic Hardware and Firmware Engineer with over 15 years of experience in electronic engineering. My expertise encompasses designing and developing complex PCB layouts, embedded systems, and IoT solutions tailored to client needs. Throughout my career, I've led projects from concept to production, ensuring compliance with industry standards and delivering high-quality, reliable products. My approach combines technical proficiency with clear communication, ensuring that clients are informed and involved at every stage. Technical Skills: -PCB Design: Altium Designer, KiCAD, Eagle -Embedded Systems: ARM Cortex, STM32, AVR, ESP32 -Programming Languages: C/C++, Python -Communication Protocols: I2C, SPI, UART, CAN, Ethernet -IoT Platforms: AWS IoT, Azure IoT Hub, MQTT -Simulation Tools: LTspice, MATLAB/Simulink Industries Served: -Consumer Electronics -Automotive -Medical Devices -Industrial Automation -Aerospace I am committed to delivering solutions that meet and exceed client expectations. Let's collaborate to bring your electronic projects to life with precision and efficiency. less -
Hire FranciscoSilvi
FranciscoSilvi FranciscoSilvi
$15 USD / hour
Electronic Engineer - Hardware & Firmware DevsArgentinaI have extensive experience, primarily in hardware design I primarily work with Altium Designer, but I am also proficient in KiCAD, EAGLE, EasyEDA, and Allegro OrCAD. I also develop firmware, primarily for the following platforms: -ESP32, S2, S3, C3 y C6 -ESP8266 -STM32 -STM8 -AVR -ATSAM -RAK Wireless Modules -PIC,...I have extensive experience, primarily in hardware design I primarily work with Altium Designer, but I am also proficient in KiCAD, EAGLE, EasyEDA, and Allegro OrCAD. I also develop firmware, primarily for the following platforms: -ESP32, S2, S3, C3 y C6 -ESP8266 -STM32 -STM8 -AVR -ATSAM -RAK Wireless Modules -PIC, PIC32, dsPIC For clients who prefer it, I am familiar with various Arduino Cores to facilitate future code editing and small modifications that the client can handle themselves. I also have the capability to run multithreaded code on any of the aforementioned platforms. I also use IDEs such as: -STM32Cube -RUI (Rak User Interface) -IDF (Espressif) -Atmel Studio (ATSAM/ATMEGA) less -
Hire gajerakrishna0
The best place to hand in your work with the highest reliability, responsibility, and most importantly, excellent quality at the most reasonable price. We give a 100% guarantee of our work. Don’t Pay until the Project is Complete and You’re Fully Satisfied. (7+ YEARS EXPERIENCE) With Preferred Freelancer (100%...The best place to hand in your work with the highest reliability, responsibility, and most importantly, excellent quality at the most reasonable price. We give a 100% guarantee of our work. Don’t Pay until the Project is Complete and You’re Fully Satisfied. (7+ YEARS EXPERIENCE) With Preferred Freelancer (100% trustworthy Service) My team and I can offer a wide variety of services, and below is a list containing many offers: We are detail-oriented and have a comprehensive understanding of the following: - Adobe Photoshop, Adobe Illustrator, Adobe Lightroom, Adobe After Effects, Adobe Premiere Pro, Adobe InDesign, Adobe XD, Figma, Blender, Maya, Rhino 3D, Unreal Engine 5, Midjourney, 3DsMax, Zbrush, AutoCAD, Revit, Solidworks, Fusion 360, Cinema4D, Unity 2D, Siemens NX, GIS, PCB Design and Layout. (SERVICES for DEVELOPMENT SKILLS) : PHP, Laravel, ReactJs, NodeJS, React Native, Python, Django, Web scrapping & bots, JavaScript, WordPress, .NET, HTML5, HTML, SEO services, Game Development, C# Programming, Software Architecture, MySQL, Application Development (Android & IOS) (ENGINEERING WORK ACCEPTABLE) : Civil engineering, computer engineering, electrical engineering, mechanical engineering, industrial engineering, electronic engineering, chemical engineering, structural engineering, and software engineering. We provide fast, high-quality services that are unique and unlike any other. Please feel free to contact me anytime, as my services are available 24/7. less
