Radio Frequency Engineers à embaucher
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Freelances parrainés
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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. moins
Embaucher tetianam8
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I am a Licensed Professional Engineer specializing in both Civil and Electrical Engineering, providing integrated, end-to-end design solutions that connect infrastructure, power systems, and advanced electronics. My work focuses on delivering permit-ready, code-compliant, and construction-ready engineering packages...I am a Licensed Professional Engineer specializing in both Civil and Electrical Engineering, providing integrated, end-to-end design solutions that connect infrastructure, power systems, and advanced electronics. My work focuses on delivering permit-ready, code-compliant, and construction-ready engineering packages that move efficiently through review and into execution—minimizing delays, revisions, and uncertainty. 🏗 Civil Engineering Structural Design Foundations, framing systems, lateral load analysis, and complete structural calculations aligned with IRC, IBC, CBC, and local amendments. Site & Land Development Grading plans, drainage systems, stormwater management, utility coordination, and constructible civil layouts. Earthwork & Hydrology Cut/fill optimization, erosion and sediment control, and floodplain analysis. Construction Documentation High-quality drafting and BIM modeling using AutoCAD, Civil 3D, Revit, and Bluebeam to produce clear, coordinated, approval-ready plans. ⚡ Electrical Engineering Power Electronics & Energy Systems DC-DC converters, inverters, MPPT battery systems, and grid-tied/off-grid renewable energy integration. PCB & Circuit Design Complete development cycle—from schematic capture and simulation to PCB layout and validation using Altium Designer, KiCad, LTspice, PSpice, and MATLAB/Simulink. Embedded Systems & IoT STM32, ESP32, Arduino platforms, BLE, LoRa, and connected device architectures. Compliance & Performance Designs aligned with UL, CE, FCC, and ISO standards, including EMI/EMC mitigation and reliability considerations. 🤝 Project Approach I collaborate closely with architects, contractors, and developers to ensure that designs are practical, coordinated, and field-ready. My goal is not just technical accuracy—but constructible, cost-efficient solutions that withstand regulatory scrutiny and perform reliably in real-world conditions. 🧰 Engineering Tools AutoCAD | Civil 3D | Revit | Bluebeam | Altium Designer | KiCad | MATLAB/Simulink | LTspice | PSpice 📍 Licensed Professional Engineer Providing signed and sealed drawings, plan reviews, and construction-phase consulting across multiple U.S. states. moins
Embaucher jasonj638
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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 moins
Embaucher macroenergy
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Hello! I'm a dedicated freelancer with over 13 years of experience, including nearly a decade on Freelancer.com. I hold a BSc in Computer Science and an MBA. Since 2014, I’ve been a senior newspaper editor while also specializing in research, academic writing, creative writing, editing, and proofreading. I prepare...Hello! I'm a dedicated freelancer with over 13 years of experience, including nearly a decade on Freelancer.com. I hold a BSc in Computer Science and an MBA. Since 2014, I’ve been a senior newspaper editor while also specializing in research, academic writing, creative writing, editing, and proofreading. I prepare research papers, theses, dissertations, and journal articles that adhere to the highest writing standards. In addition to research and writing, I provide comprehensive editing and proofreading services to ensure clarity, structure, and accuracy. As an accredited Wikipedia editor, I bring expertise in page creation, editing, and maintenance while complying with Wikipedia guidelines. My technical background further supports my ability to handle complex projects, offering precise and well-researched deliverables. Key Skills: • Research & Writing: Expertise in academic writing, including theses, dissertations, and journal articles. • Editing & Proofreading: Specialized in academic, technical, and creative content. • Creative Writing: Engaging content development across genres. • Training: Guiding others in research, writing, and editorial practices. • Wikipedia Editing: Accredited editor proficient in creating and updating high-quality entries. Experience: I’ve worked on a wide array of projects, including: • Academic Writing: Created theses, dissertations, and journal articles, maintaining academic rigor. • Editing & Proofreading: Edited academic, technical, and creative content focusing on clarity and accuracy. • Creative Writing: Developed articles and features for various industries. • Wikipedia Contributions: Edited and created Wikipedia articles, adhering to editorial standards and citation rules. Services Offered: • Research & Writing: Theses, dissertations, journal articles, and research papers. • Editing & Proofreading: Academic, technical, and business documents. • Creative Writing: Articles and narrative content. • Training: Writing, editing, and research skills development. • Wikipedia Editing: Article creation, updates, and source verification. Why Choose Me? • Expertise: My background ensures depth and accuracy in academic, technical, and creative projects. • Quality Assurance: I deliver polished work with attention to detail. • Timely Delivery: I respect deadlines and work efficiently. • Collaborative: I maintain open communication to meet client expectations. How I Work: I collaborate with clients to fully understand their needs, provide regular updates, and offer revisions to ensure the final product meets expectations. moins
Embaucher alfmwangi
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WHY HIRE US? -------------------------------- ✔ Excellent Communication & Understanding ✔ Honest & Friendly ✔ Life Time FREE Technical support for any bug in the delivered work ✔ 100% Satisfaction guarantee otherwise we will refund. ✔ No Charges for Deployment ✔ Competitive rates ✔ Regular Project Updates ✔...WHY HIRE US? -------------------------------- ✔ Excellent Communication & Understanding ✔ Honest & Friendly ✔ Life Time FREE Technical support for any bug in the delivered work ✔ 100% Satisfaction guarantee otherwise we will refund. ✔ No Charges for Deployment ✔ Competitive rates ✔ Regular Project Updates ✔ Extended support post delivery ✔ On-Time Delivery ✔ Free Unlimited Revisions on the selected template (Before integration) ✔ Free Quality Testing ✔ Free On-Page Updating of the website ✔ Technical Expertise Our mission is to deliver solutions that satisfy our customers and help us create long lasting business relationships. moins
Embaucher rajanthakor08
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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. moins
Embaucher leonidye
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Hello, I am Joaquin, a Professional Electronics and Electrical Engineer with strong hands-on experience in PCB design, embedded systems, IoT, and firmware development. I am specialized in RF & antenna design, wireless communication systems, and power electronics, including DC-DC converters and power management...Hello, I am Joaquin, a Professional Electronics and Electrical Engineer with strong hands-on experience in PCB design, embedded systems, IoT, and firmware development. I am specialized in RF & antenna design, wireless communication systems, and power electronics, including DC-DC converters and power management circuits. I also have experience in mechanical design and CAD modeling, including enclosures, thermal management, and integration of electronic systems into mechanical structures. I have a proven ability to take products from concept and schematic through PCB layout, firmware integration, prototyping, testing, mechanical integration, and production support. I am experienced in working with multidisciplinary teams and delivering reliable, manufacturable designs for commercial and industrial applications. moins
Embaucher joaquinc48
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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. moins
Embaucher cmsivolella
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michihochuli michihochuli
$85 USD / heure
IT Techniker | M365, Webhosting, VoiP, NetworkSwitzerlandSkills: IT, Network, Networkadministration, Firewall, UCC, Hosted PBX, 3CX, VoIP, Webhosting, Wordpress, Website-Administration, M365 Administration, Public or Private Cloud Services including Virtual Desktop, MDM Language: German (native), English, French Normal Business Hours: 9h-22h (GMT+2)Skills: IT, Network, Networkadministration, Firewall, UCC, Hosted PBX, 3CX, VoIP, Webhosting, Wordpress, Website-Administration, M365 Administration, Public or Private Cloud Services including Virtual Desktop, MDM Language: German (native), English, French Normal Business Hours: 9h-22h (GMT+2) moins
Embaucher michihochuli
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Greetings! My name is Dr. Sanaa Omrany. I hold an PhD in International Economics & Political Sciences and have an extensive experience and strong skills in many fields (Over TWENTY years). - MEMBER OF: PREFERRED FREELANCER PROGRAM (PFP). FREELANCER AMBASSADORS TEAM. CORPORATE FREELANCER PROGRAM. - APPOINTED...Greetings! My name is Dr. Sanaa Omrany. I hold an PhD in International Economics & Political Sciences and have an extensive experience and strong skills in many fields (Over TWENTY years). - MEMBER OF: PREFERRED FREELANCER PROGRAM (PFP). FREELANCER AMBASSADORS TEAM. CORPORATE FREELANCER PROGRAM. - APPOINTED AS A MODERATOR ON: EGYPT FREELANCERS GROUP. ASIA FREELANCERS GROUP. ARAB FREELANCERS GROUP. TIPS FOR NEW FREELANCERS GROUP. I'm here since 2008 to bring precision to your projects. I have a PROFESSIONAL TEAM, who are ready to help you! Some of our services provided include these CATEGORIES; • Artificial Intelligence. • Business, Accounting, Human Resources & Legal. • Data Analysis. • Design, Media & Architecture. • Mobile Phones & Computing. • Sales & Marketing. • Translation & Languages. • Websites, IT & Software. • Writing & Content. I'm speaking ARABIC, ENGLISH, and FRENCH. You can expect prompt and friendly communication, swift turnaround times, and a fierce dedication to quality deliverables should you choose to work with me. Contact me and see how I can help you achieve your goals. Many thanks; Dr. Sanaa moins
Embaucher sanaaomrany
