RF Engineers For Hire
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Hi, I'm Nadia! As a seasoned Graphic Designer and Web Developer with over five years of experience, I craft compelling visual identities and innovative digital solutions that empower businesses to grow. Committed to excellence, I prioritize client satisfaction by delivering high-quality, tailored results within...Hi, I'm Nadia! As a seasoned Graphic Designer and Web Developer with over five years of experience, I craft compelling visual identities and innovative digital solutions that empower businesses to grow. Committed to excellence, I prioritize client satisfaction by delivering high-quality, tailored results within deadlines. My goal is to transform ideas into impactful designs and seamless web experiences that drive success. My Expertise: Graphic Design ✔ Custom Logo Design & Animation ✔ Banner & Poster Design ✔ Packaging & Label Design ✔ Icons & Illustrations ✔ Leaflets & Flyers ✔ Business Cards & Brochures ✔ Envelope & Letterhead Design ✔ PowerPoint Presentations & Pitch Decks Web Development ✔ E-Commerce Solutions ✔ Mobile-Responsive Websites ✔ Website Redesign & Maintenance ✔ Custom WordPress Themes ✔ Shopify, Wix & Squarespace Sites Mobile App Development ✔ iOS & Android Apps ✔ Cross-Platform Solutions ✔ UI/UX Design & Prototyping ✔ App Maintenance & Support ✔ Custom Feature Integration CRM Development & Management ✔ Custom CRM Solutions ✔ CRM Integration & Automation ✔ Data Migration & Management ✔ Workflow Optimization ✔ Ongoing Support & Training Why Work With Me? ✅ Creative Excellence – I create designs that are visually compelling and perfectly aligned with your brand identity. ✅ Technical Expertise – With experience across multiple platforms, I build websites that are robust, scalable, and easy to manage. ✅ Client-Centric Approach – Your satisfaction is my priority. I work closely with you to provide tailored solutions that exceed expectations. ✅ Timely Delivery – I respect deadlines and ensure on-time delivery without compromising quality. Let’s Work Together! Looking for a reliable and creative partner to bring your vision to life? Let’s chat! I’m currently accepting new projects and would love to discuss how I can help you achieve your goals. Message me today, and let’s get started! Thanks! less
Hire NadiaCrea8weB
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Talented and experienced young, professional, with job experience as Sr. Project manager as well as quality control officer, possessing experience in large Company in UAE with proven ability to develop and maintain technology-based solution, fluent in English, having advance design skills with in-depth technical and...Talented and experienced young, professional, with job experience as Sr. Project manager as well as quality control officer, possessing experience in large Company in UAE with proven ability to develop and maintain technology-based solution, fluent in English, having advance design skills with in-depth technical and installation knowledge of electrical devices. Skills : 1- CCTV system design (2D/3D) . 2- Access control system design (layout/schematics ). 3- Audio visual (AV) design (Layout/schematics ) . 4- creating BOQ for the ELV/AV projects . 5- reviewing rejected drawings to help you get (A) approval from the consultant. 6- technical support / leading a project remotely. software : 1- AutoCAD 2- DIALUX evo 3- Microsoft office 4- 3D max 5- Revit MEP 6- JVSG: Video Surveillance Design less
Hire amerodeh
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With over 10+ years of experience specializing in hardware design and firmware development, I have a solid foundation in electrical engineering and a passion for innovation. I offer full-stack embedded hardware design and development solutions utilizing embedded microcontrollers, microprocessors, and digital signal...With over 10+ years of experience specializing in hardware design and firmware development, I have a solid foundation in electrical engineering and a passion for innovation. I offer full-stack embedded hardware design and development solutions utilizing embedded microcontrollers, microprocessors, and digital signal processors. I’ve successfully created cutting-edge hardware solutions and embedded systems across various industries, including consumer electronics, IoT, medical devices, and automotive. PCB fabrication and assembly are handled through trusted partners based in the U.S. and China, ensuring reliability and efficiency. Key Skills: ✔️Hardware Design ✔️Firmware Development ✔️Prototyping & Testing Notable Projects: ✔️Embedded IoT Device for Environmental Monitoring Led the development of a low-power IoT device for real-time environmental monitoring, designing the sensor interface, power management system, and wireless communication protocols. Implemented energy-efficient firmware algorithms to extend battery life and enhance reliability. ✔️High-Speed Data Acquisition System for Aerospace Designed a high-speed data acquisition system for aerospace testing, creating custom PCBs with high-speed interfaces and integrating FPGA-based signal processing. Developed firmware for real-time data acquisition and processing, meeting stringent performance requirements. ✔️Medical Device Prototype for Remote Patient Monitoring Collaborated with a startup to develop a prototype for remote patient monitoring, designing the hardware platform for physiological signal acquisition and integrating wireless connectivity. Developed firmware for real-time signal processing and secure data communication, ensuring compliance with regulatory standards. Additional Expertise: ✔️PLC System Integration Control logic using ladder diagrams, structured text, and function block programming in environments such as Siemens TIA Portal, Allen-Bradley Studio 5000, and Mitsubishi GX Works. ✔️RF Circuit Design Proficient in designing high-power amplifiers, antennas, low-loss filters and mixers up to Ka-Band. ✔️Radar Signal Processing Expertise in radar system design and dynamic simulation using MATLAB. ✔️Battery Design & Systems Experience with Li Battery design, EV systems, solar hybrid power controllers, and more. less
Hire deane20
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guruexpert123 guruexpert123
$35 USD / hour
Industrial Automation & Embedded Systems EngineerUnited StatesI am an Industrial Automation and Embedded Systems Engineer passionate about creating intelligent, automated solutions that improve productivity, safety, and efficiency. My experience covers PLC programming, HMI design, embedded control, and electronic system development for industrial and manufacturing environments....I am an Industrial Automation and Embedded Systems Engineer passionate about creating intelligent, automated solutions that improve productivity, safety, and efficiency. My experience covers PLC programming, HMI design, embedded control, and electronic system development for industrial and manufacturing environments. I develop control systems using Siemens, Allen-Bradley, and Delta PLCs, integrating sensors, drives, and actuators through Modbus, Profibus, and Ethernet/IP. I also design custom embedded controllers based on STM32 and ESP32, writing robust C/C++ firmware for real-time process control. For hardware design, I use Altium Designer and Proteus to create PCBs optimized for noise reduction and durability in harsh conditions. I’ve built solutions such as automated inspection systems, motor control panels, and industrial data loggers. Combining automation logic with embedded intelligence, I deliver systems that bridge traditional control engineering and modern connected technology. less
Hire guruexpert123
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DOMO Integral Solutions has the main purpose to integrate solutions created by a multidisciplinary team to completely fill the client's needs. Our activities include development, testing, manufacturing, and prototyping. We combine almost 25 years of experience in different areas of industry, such as automotive...DOMO Integral Solutions has the main purpose to integrate solutions created by a multidisciplinary team to completely fill the client's needs. Our activities include development, testing, manufacturing, and prototyping. We combine almost 25 years of experience in different areas of industry, such as automotive development, PCB manufacture, drone design, telecommunications, business management, etc. Nowadays our job consists of combining both sides (technical and management), being responsible for people, and achieving goals for projects, always maintaining high standards of quality. less
Hire A5Alberto
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⭐️⭐️⭐️⭐️⭐️ Embedded Systems Engineer with over 4 years of industry experience delivering complete, production-ready solutions in hardware design, firmware development, and product integration. As a freelance engineer, I’ve collaborated with startups and established companies to bring over 20 products to market...⭐️⭐️⭐️⭐️⭐️ Embedded Systems Engineer with over 4 years of industry experience delivering complete, production-ready solutions in hardware design, firmware development, and product integration. As a freelance engineer, I’ve collaborated with startups and established companies to bring over 20 products to market across the consumer, industrial, and medical sectors. I work across the full product lifecycle — from early specification and prototyping to manufacturing support and field testing. My expertise spans custom PCB design, RTOS-based and bare-metal firmware, and embedded Linux systems, using technologies like Altium, STM32, nRF52, ESP32, FreeRTOS, Zephyr, and more. I also support clients with architecture decisions, hardware/firmware co-design, and design optimization for cost, manufacturability, and reliability. Relevant Skills: ● Hardware design and PCB development (Expert) - Custom PCB design: Rigid, Flex and Rigid-flex technologies. - EDA tools: Altium Designer, OrCAD and KiCAD. - System-level design and project planning. - Schematic capture and library management. - Multilayer layout design following IPC and industry best practices. - High-speed digital, mixed-signal, RF/wireless, and power electronics design. - Interfaces: DDR, LVDS, HDMI, SATA, USB, Ethernet. - Circuitry: DC-DC converters, MCU/MPU/SoCs, ADCs/DACs, sensors, etc. - Familiar with PCBA manufacturing/assembly requirements and DFM/DFT rules. ● MCU Firmware programming (Advanced) - Languages: C, C++, Rust, ARM Assembly. - IDEs and tooling: Eclipse-based, VSCode, bare-metal toolchains, Make/CMake. - Firmware architectures: Bare-metal, RTOS, HAL/LL APIs. - RTOS: FreeRTOS, Zephyr (hands-on experience). - Ecosystems: STM32 (HAL/LL), Espressif (ESP-IDF), Nordic (nRF SDKs). - Version control: Git and SVN. - Familiarity with MISRA C/C++ standards - Architectures: ARM Cortex-M/R, Xtensa (ESP32). - Driver development: I2C, SPI, UART, ADC, PWM, external ASICs. - Protocols & stacks: BLE, LoRaWAN, HTTPS, MQTT. ● Embedded Linux development (Intermediate) - Linux for custom hardware platforms (MPUs). - Yocto Project: Linux distribution configuration and build. - Device tree and kernel driver development (sensors, ASICs, etc.).- Application development in C, C++, Python, Rust. - ARM Cortex-A architecture familiarity. ● FPGA & HDL Development (Intermediate) - FPGA/SoC development using Verilog, SystemVerilog, and VHDL. - Platforms: Xilinx Spartan-7, Zynq-7000; Intel (Altera) Cyclone, MAX series. - Custom IP design and hardware/software integration. - Familiarity with AXI/AMBA bus architectures. If you’re interested in working with me, I’m available via Freelancer and will always answer your questions or requests promptly. Thank you for your time and have a great day. less
Hire cmsivolella
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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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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 tetianam8
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Hello. I am an experienced Automation Engineer & Hardware Designer with 10+ years of expertise in PLC programming, industrial controls, embedded systems, and custom PCB development. I bring together both industrial automation and electronics engineering, allowing me to design complete control solutions — from PLC...Hello. I am an experienced Automation Engineer & Hardware Designer with 10+ years of expertise in PLC programming, industrial controls, embedded systems, and custom PCB development. I bring together both industrial automation and electronics engineering, allowing me to design complete control solutions — from PLC logic and HMIs to custom PCBs, sensor interfaces, power electronics, and machine-control hardware. 🧩 Core Competencies 🧩 🔧 PLC & Automation Engineering - Siemens: S7-1200 / S7-1500 / S7-300, TIA Portal, STEP7 - Allen-Bradley: ControlLogix, CompactLogix, MicroLogix (Studio 5000 / RSLogix) - Schneider Modicon, Mitsubishi FX/Q, Omron CJ/CP - HMI/SCADA: WinCC, FactoryTalk View, Ignition, Weintek, Delta - Communication: Modbus RTU/TCP, Profinet, EtherNet/IP, Profibus, OPC-UA - Industrial Controls - VFD/Servo setup (Siemens, ABB, Delta, Rockwell) - Sensor integration (analog, digital, RTD, thermocouple) - PID loops, motion control, interlocks & machine safety 📡 PCB & Electronics Design - PCB Design Tools: KiCad 6/7/8, Altium Designer, Eagle / Fusion 360, - Hardware Expertise: Mixed-signal hardware (analog + digital), High-voltage / low-voltage mixed PCBs, SMPS power stages • DC-DC converters, Motor drivers, relays, MOSFET/PWM control, Microcontrollers: Raspberry Pi Pico, STM32, ESP32, AVR, PIC, Communication hardware: RS-485, CAN, Ethernet, isolated I/O, Sensor conditioning, ADCs, op-amps, filters, EMC/EMI-friendly layout & safety-critical design 🧰 Tools & Platforms - TIA Portal, STEP7, Studio 5000, RSLogix - WinCC, FactoryTalk View, Ignition SCADA - KiCad, Altium, Eagle - AutoCAD Electrical, EPLAN - C/C++ for embedded, MicroPython, FreeRTOS less
Hire yaroslavmark
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AlexandrGergel AlexandrGergel
$48 USD / hour
15 Years of Windows/Linux Kernel / AOSP / FirmwareUkraineExperienced embedded system engineer with a passion for bringing products to life. With more than 15 years of experience in the industry, has a proven track record in firmware development, hardware integration, and product launches. Driven by a desire to solve problems and create value for customers. ☑️...Experienced embedded system engineer with a passion for bringing products to life. With more than 15 years of experience in the industry, has a proven track record in firmware development, hardware integration, and product launches. Driven by a desire to solve problems and create value for customers. ☑️ language Assembly, C Programming, C++, Python, Shell script, Makefile ☑️ System Programming Real-time Operaing systems, Embedded Linux, Linux device driver, Windows device driver ☑️ High level programming Win32, Linux user space, Android NDK, Qt, MFC ☑️ Firmware Programming PIC microcontroller, ATMEL, ATMEGA, STM32, Nordic, ESP32, Arduino, Raspberry PI ☑️ Embedded Communication protocol I2C, Serial Peripheral Interface(SPI), UART, USB, GPIO, Controller Area Network(CAN), Recommended Standard 232(RS232), one-wire, Recommend Standard 485(RS485), Bluetooth ☑️ Hardware design Circuit design, schematic design, PCB design, Multi-layer PCB design, Electronic design, Altium designer ☑️ Debugging JTAG, GDB, Print ☑️ Reversing IDA, OllyDbg, 2-layer PCB reversing ☑️ Security Executable file behavior analyzing, Executable file static analyzing Website security analyzing, Troubleshoot PC security level less
Hire AlexandrGergel
