RF Engineers Palkattavana
Näytetään 6 tulosta
Tuetut freelancerit
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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. vähemmän
Palkkaa oleksandrt68
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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. vähemmän
Palkkaa joaquinc48
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Dear Everyone My name is William Purcell, and I am a Toronto-based AI & Machine Learning Engineer, Electronic Engineer, and Full Stack Software Developer with several years of hands-on experience delivering reliable, scalable, and production-ready solutions for clients across diverse industries. I specialize in...Dear Everyone My name is William Purcell, and I am a Toronto-based AI & Machine Learning Engineer, Electronic Engineer, and Full Stack Software Developer with several years of hands-on experience delivering reliable, scalable, and production-ready solutions for clients across diverse industries. I specialize in building intelligent systems that combine data, software, and hardware where required. On the AI and Machine Learning side, I have strong experience designing, training, optimizing, and deploying models for prediction, classification, automation, computer vision, and natural language processing. I am highly proficient in Python and commonly work with frameworks such as TensorFlow, PyTorch, and Scikit-learn. I place a strong emphasis on data quality, model performance, explainability, and real-world usability rather than purely experimental results. As a Full Stack Web Developer, I have delivered complete web applications from concept to deployment. My experience includes frontend development using React and modern JavaScript frameworks, backend development with Node.js, Django, and Flask, and database design using both SQL and NoSQL technologies such as PostgreSQL, MySQL, and MongoDB. I have built RESTful APIs, integrated third-party services, implemented secure authentication systems, and deployed scalable applications to cloud platforms. My background in Electronic Engineering allows me to approach problems from a systems-level perspective. I have worked with embedded systems, microcontrollers, circuit design, and hardware–software integration. This unique combination of AI, software, and electronics enables me to contribute effectively to IoT projects, intelligent devices, automation systems, and data-driven hardware solutions. I am comfortable collaborating with multidisciplinary teams and translating complex technical requirements into practical, working systems. I am confident that my technical expertise, strong work ethic, and commitment to quality would make me a valuable asset to your project. I would welcome the opportunity to discuss your requirements in detail and explain how my skills can help you achieve your goals efficiently and successfully. Thank you for considering my application. I look forward to working with you. Sincerely, William Purcell AI & ML Engineer | Electronic Engineer | Full Stack Web Developer Toronto, Canada vähemmän
Palkkaa williamp138
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I am a senior Full Stack Software Engineer with over 10 years of experience delivering complete, high-performance solutions across Shopify, Online Marketing, CRM, CMS, Go High Level, Hub Staff, full-stack web/mobile development, iOS applications, and AI/ML-powered intelligent systems. My work spans the entire...I am a senior Full Stack Software Engineer with over 10 years of experience delivering complete, high-performance solutions across Shopify, Online Marketing, CRM, CMS, Go High Level, Hub Staff, full-stack web/mobile development, iOS applications, and AI/ML-powered intelligent systems. My work spans the entire technology stack—from hardware-level programming and kernel engineering to cloud dashboards, mobile apps, and AI automation that connects everything together. I build stable, secure, production-ready systems used in robotics, IoT, industrial automation, automotive, smart devices, and modern cloud platforms. Full-Stack Engineering * Frontend: React, Next.js, TypeScript * Backend: Node.js, Python (FastAPI, Flask), REST/GraphQL APIs * Databases: PostgreSQL, MySQL, MongoDB * Cloud: AWS, Docker, CI/CD, Edge-to-Cloud Integration * Building dashboards, remote monitoring & control systems for embedded devices * IoT platforms, OTA firmware update servers, device management portals Blockchain & Web3 Development * Smart Contracts: Solidity, Rust, Go (Hyperledger Fabric chaincode) * Blockchains: Ethereum, BSC, Polygon, Hyperledger Fabric, Solana * Development Tools: Hardhat, Foundry, Truffle, Fabric test-network, Chaincode lifecycle * Frontend: React, TypeScript, Web3.js, ethers.js, WalletConnect, dApp interfaces * Backend: Node.js (NestJS), Python, REST/GraphQL APIs, Oracle integration * Infrastructure: Docker Compose V2, Kubernetes, nginx, PM2, multi-node deployments * DeFi Protocols: Token contracts (ERC20/721/BEP20), DEX/AMMs, yield farming, staking * Enterprise: Permissioned networks, multi-channel Fabric setups, supply chain DLT solutions AI, ML & Intelligent Systems * AI/ML Integration into Embedded Systems * Python-based ML pipelines (PyTorch, TensorFlow, scikit-learn) * Computer Vision for edge devices (OpenCV, YOLO, ONNX Runtime) * TinyML and model optimization for constrained hardware * Sensor fusion, anomaly detection, predictive maintenance * LLM integration via API for device automation or cloud dashboards Technology Stack & Tools * Languages: C, C++, Embedded C, Python, Shell/Bash, JavaScript/TypeScript * OS/RTOS: Linux, FreeRTOS, Zephyr * Build Systems: Yocto, Buildroot, CMake, Make, Bitbake * Debugging: GDB, JTAG, Valgrind, Oscilloscope, Logic Analyzer * Cloud/DevOps: Docker, AWS, GitHub Actions, CI/CD * AI Tools: PyTorch, TensorFlow, ONNX, OpenCV vähemmän
Palkkaa draganm59
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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. vähemmän
Palkkaa DngPhgNam
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ASIC, Bare Metal, DDR3 (PCIe, piirilevyn suunnittelu/FPGA), Digitaalinen ASIC-koodaus, Digitaalinen suunnittelu>Passionate VLSI engineer with a skill set in RTL Design using Verilog or SV, IP Design, and FPGA Design. -> Hands-on experience in -Verilog -System Verilog -RTL design -Lint, CDC/RDC (Spyglass) -Logical Synthesis (Design Compiler) -> Project experience in -UART RTL design -Router 1x3 using Verilog -i2c and uart...>Passionate VLSI engineer with a skill set in RTL Design using Verilog or SV, IP Design, and FPGA Design. -> Hands-on experience in -Verilog -System Verilog -RTL design -Lint, CDC/RDC (Spyglass) -Logical Synthesis (Design Compiler) -> Project experience in -UART RTL design -Router 1x3 using Verilog -i2c and uart protocol ->Have experience working with FPGA like Xilinx FPGAs and expertise in Zybo Z7, Spartan 6, and Kintex Ultrascle FPGA. ->Comfortable with any HDL, or HVL. ->Tools Used: Xilinx Vivado, Intel Quartus Prime Lite 20.1, Modelsim, Synopsys VCS, Verdi, Synopsys Spyglass, Design Compiler(DC), Synopsis Formality, Cadence Virtuoso, MATLAB. vähemmän
Palkkaa harishk69
