Wireless Radio Frequency Engineers pentru angajare
Se afișează 11 rezultate
Freelanceri sponsorizați
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TheDesignBloke TheDesignBloke
$50 USD/oră
Drafting | CAD | Solidworks | Animations | ContentUnited KingdomHello! I’m Muskan, leading a skilled team of designers and content creators. We specialize in Drafting, CAD, SolidWorks, 3D Modeling, Animations, and Content Writing, delivering professional solutions tailored to your business needs. Our Services Include: * Architectural Designs & Revit Models * SolidWorks Designs,...Hello! I’m Muskan, leading a skilled team of designers and content creators. We specialize in Drafting, CAD, SolidWorks, 3D Modeling, Animations, and Content Writing, delivering professional solutions tailored to your business needs. Our Services Include: * Architectural Designs & Revit Models * SolidWorks Designs, Mechanical Parts & Assemblies * 3D Modeling, Prototyping & Blender Models * Interior Design & Space Planning * Animations & Explainer Videos * Branding, Logos & Marketing Materials * Website & Landing Page Design * Content Writing, Reports & eBooks * Presentations, Infographics & Banners * Packaging & Labels We pride ourselves on timely communication, attention to detail, and on-time delivery, serving clients globally Highlights: * 5-Star Reviews | Trusted by Clients Worldwide * Expert Team | Top-Ranked for Design & Content mai puțin
Angajează pe TheDesignBloke
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🔧 Electrical & Electronics Engineer | Embedded Systems | Power & Control | IoT | PLC | RF & Antenna I help companies/individuals design, develop, and deploy robust electrical and embedded solutions—from PCB design and firmware development to power systems, IoT integration, and compliance-ready documentation. With 8+...🔧 Electrical & Electronics Engineer | Embedded Systems | Power & Control | IoT | PLC | RF & Antenna I help companies/individuals design, develop, and deploy robust electrical and embedded solutions—from PCB design and firmware development to power systems, IoT integration, and compliance-ready documentation. With 8+ years of experience in electronics engineering and embedded systems, I bring deep technical expertise and a hands-on approach to every project. ✅ Core Services PCB Design & Circuit Development Schematic capture, multi-layer PCB layout, signal integrity, and manufacturing-ready Gerber files. Tools: Altium, KiCad, Eagle, EasyEDA. Embedded Systems & Firmware Custom firmware for STM32, ESP32, Arduino, and ARM Cortex-based boards. RTOS, interrupt handling, I2C/SPI/UART/ADC, BLE & Wi-Fi protocols. Power Electronics & Battery Management DC-DC converters, BMS (Battery Management Systems), inverter designs, and charger integration for Li-ion, LFP, and solar-powered systems. IoT & Wireless Solutions Sensor-based systems with real-time wireless data transmission via LoRa, BLE, Wi-Fi, and GSM. Cloud integrations with MQTT, Firebase, and REST APIs. RF circuit design for BLE, LoRa, Wi-Fi, GSM, ISM band devices Custom antennas (patch, dipole, monopole, fractal) Matching networks, impedance tuning, VNA testing, EMI/EMC compliance Automation & Control Systems Custom control panels, PLC alternatives, smart switching circuits, motor drivers, and analog/digital feedback control loops. Simulation & Analysis Circuit simulation (LTspice, PSpice), power analysis, EMI/EMC considerations, and thermal management. 🧰 Tech Toolbox Design Tools: Altium Designer, KiCad, Eagle, OrCAD, EasyEDA Simulation & Modeling: LTspice, PSpice, MATLAB/Simulink Microcontrollers: STM32, ESP32, AVR, TI MSP430, Arduino Communication Protocols: BLE, Wi-Fi, LoRa, MQTT, Modbus, RS232, I2C, SPI, UART, UDP Programming Languages: C, C++, Embedded C, MicroPython Testing & Measurement: Oscilloscope, Logic Analyzer, Multimeter, Signal Generator Standards & Compliance: DFM, EMI/EMC Best Practices, ISO/IEC Specifications I will be happy to help translate your ideas into reality. mai puțin
Angajează pe oleksandrt68
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MADAlphaDesigns MADAlphaDesigns
$50 USD/oră
Drafting • Animations • SolidWorks • CAD • ContentUnited StatesMAD Alpha Designers is a premier design and creative agency delivering precision driven solutions that bring ideas to life. Specializing in drafting, SolidWorks, 2D and 3D modeling, animation, graphic design, and content creation, MAD Alpha Designers offers end to end services that ensure projects are executed with...MAD Alpha Designers is a premier design and creative agency delivering precision driven solutions that bring ideas to life. Specializing in drafting, SolidWorks, 2D and 3D modeling, animation, graphic design, and content creation, MAD Alpha Designers offers end to end services that ensure projects are executed with the highest standards of quality and professionalism. Trusted by startups, brands, and enterprises worldwide, MAD Alpha Designers combines technical expertise with creative vision to transform concepts into impactful, market ready solutions Services: - Drafting & Technical Drawings - CAD Design (SolidWorks) - 2D & 3D Modeling - Product & Industrial Design - 2D / 3D Animations & Motion Graphics - Web Design & Development - Graphic Design & Branding - UI/UX Design - Content Writing & Creative Copy mai puțin
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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. mai puțin
Angajează pe leonidye
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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. mai puțin
Angajează pe cmsivolella
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MAD TECHNOLOGIES – Led by Muskan, we are a team of skilled designers and content creators delivering professional, tailored solutions for businesses worldwide. Our Expertise: * Architectural Design & Revit Modeling * CAD & SolidWorks – Mechanical Parts & Assemblies * 3D Modeling & Prototyping – Blender & Digital...MAD TECHNOLOGIES – Led by Muskan, we are a team of skilled designers and content creators delivering professional, tailored solutions for businesses worldwide. Our Expertise: * Architectural Design & Revit Modeling * CAD & SolidWorks – Mechanical Parts & Assemblies * 3D Modeling & Prototyping – Blender & Digital Models * Interior Design & Space Planning * Animations & Explainer Videos * Branding, Logos & Marketing Materials * Website & Landing Page Design * Content Writing, Reports & eBooks * Presentations, Infographics & Banners * Packaging & Label Design Why Choose Us * Trusted by clients worldwide with 5-star reviews * Expert team delivering high quality design & content * Commitment to timely communication and on-time delivery * Serving a global clientele with precision and creativity MAD TECHNOLOGIES transforms ideas into impactful visuals and content, combining innovation, accuracy, and professionalism mai puțin
Angajează pe MADTechUK
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Habilidades 4.0/ Analisis de datos / BI / Digitalización / dirección de proyectos / comercialización y ventas / automatización / control / Scrum Profesional especializada en análisis de datos, con experiencia de 6 años en dirección de proyectos IT y gestión de clientes. Liderazgo, diligencia y eficiencia para...Habilidades 4.0/ Analisis de datos / BI / Digitalización / dirección de proyectos / comercialización y ventas / automatización / control / Scrum Profesional especializada en análisis de datos, con experiencia de 6 años en dirección de proyectos IT y gestión de clientes. Liderazgo, diligencia y eficiencia para alcanzar objetivos tales como la transformación digital de empresas tradicionales; además de aprendizaje rápido, adaptabilidad al cambio, buen manejo de la presión buscando soluciones certeras a cada situación, esto me ha llevado a notar que el análisis del dato o rastro de los clientes son un aspecto clave en la visión BI en la rápida evolución del comercio optimizando esfuerzos y mejores resultados. mai puțin
Angajează pe tangela5
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Proiectare de antene, Bluetooth Low Energy (BLE), Design circuit , Inginerie de control, Inginerie electricăI have extensive experience delivering end-to-end engineering solutions across IoT, embedded systems, firmware, and applied electronics. I design, architect, and deliver production-ready systems spanning hardware, firmware, control software, cloud infrastructure, web dashboards, and mobile applications. My...I have extensive experience delivering end-to-end engineering solutions across IoT, embedded systems, firmware, and applied electronics. I design, architect, and deliver production-ready systems spanning hardware, firmware, control software, cloud infrastructure, web dashboards, and mobile applications. My engineering services include firmware and embedded software development, embedded Linux systems, power electronics and control engineering, RF and antenna-aware device integration, PCB design and review, PLC-based industrial automation, and drone and robotics systems. I routinely handle hardware bring-up, driver development, communication protocols, and system-level integration, ensuring performance, reliability, and regulatory awareness from early design through deployment. I work through detailed technical planning, clearly defined architectures, and structured execution. My approach emphasizes engineering accuracy, traceable requirements, test coverage, and maintainable design. I deliver clean, well-tested code, comprehensive documentation, and clear build, deployment, and validation procedures. Clients receive regular technical updates, concise demonstrations, and thorough handover materials to support long-term operation and scaling. mai puțin
Angajează pe rocios46
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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. mai puțin
Angajează pe tetianam8
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Need to turn your idea into a working AI product quickly? I help startups and companies go from concept to MVP - fast - and then scale into full, revenue-generating systems. Whether it’s a web-based AI app or an embedded AI device, I build intelligent systems that learn, adapt, and perform. 🌟 What I Build ✅ AI...Need to turn your idea into a working AI product quickly? I help startups and companies go from concept to MVP - fast - and then scale into full, revenue-generating systems. Whether it’s a web-based AI app or an embedded AI device, I build intelligent systems that learn, adapt, and perform. 🌟 What I Build ✅ AI Software ✔ AI Web/Mobile App Development, full SaaS development(fast MVP, scale to real-product) ✔ AI Sales & Marketing Agents - automate customer engagement and follow-up ✔ AI Customer Service Bots - 24/7 chat, voice, and email automation ✔ Voice AI Assistants - for calls, appointments, and orders ✔ CRM & Funnel Integrations - HubSpot, GoHighLevel, Salesforce, Zoho ✔ Custom ML Models - trained for prediction, NLP, and automation tasks ✅ Embedded AI & Electronics ✔ Edge AI Systems – ML models running directly on devices (ESP32, Jetson, Raspberry Pi) ✔ IoT Device Prototypes – connected sensors, controllers, and data pipelines ✔ Embedded Vision & Audio AI – on-device image and voice recognition ✔ Hardware + Cloud Integration – send real-time sensor data to AI dashboards ✔ Rapid Hardware MVPs – prototype boards, firmware, and control apps 🌟 Tech & AI Stack ✔ AI/ML: OpenAI GPT, Claude, Llama, Hugging Face, PyTorch, TensorFlow, scikit-learn ✔ Automation: LangChain, Make.com, Zapier, n8n ✔ Embedded: Arduino, ESP-IDF, Raspberry Pi, Jetson, MicroPython, Edge TPU ✔ Cloud: AWS, GCP, Azure – scalable & secure deployment ✔ DevOps: Docker, Kubernetes, GitHub Actions for CI/CD ✔ Languages: Python, TypeScript, C/C++, Node.js, C# 🌟 Why Work With Me ✔ I build complete systems - from AI logic to working hardware ✔ Fast prototyping for startups - MVPs that can grow into real products ✔ End-to-end delivery - hardware, software, and cloud working together ✔ Startup speed with enterprise-level reliability Let’s turn your idea into a smart AI-powered product - from chip to cloud. Build fast. Launch faster. Scale confidently. mai puțin
Angajează pe DngPhgNam
