Embedded Engineer/RF Engineers Untuk Diupah
Menunjukkan 24 hasil
Freelancers Ditaja
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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 kurang
Upah draganm59
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Hello! I'm Fraj, an embedded systems developer and PCB designer with hands-on experience in designing smart electronics using ESP32, STM32, and sensor integration. Whether you're launching a new IoT device, prototyping a product, or need a reliable engineer for your PCB layout—I'm here to deliver clean, efficient, and...Hello! I'm Fraj, an embedded systems developer and PCB designer with hands-on experience in designing smart electronics using ESP32, STM32, and sensor integration. Whether you're launching a new IoT device, prototyping a product, or need a reliable engineer for your PCB layout—I'm here to deliver clean, efficient, and production-ready designs. kurang
Upah CHAPAPPA
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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. kurang
Upah cmsivolella
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manojachanta7172 manojachanta7172
$20 USD / jam
Embedded | Software | PCB | China MFG & SourcingIndiaI am a professional Embedded Hardware & Firmware Engineer with hands-on experience across the full product development cycle — from concept and schematic design to firmware, FPGA logic, and production-ready PCB layouts. My expertise spans embedded firmware, digital/analog electronics, FPGA development, and PCB...I am a professional Embedded Hardware & Firmware Engineer with hands-on experience across the full product development cycle — from concept and schematic design to firmware, FPGA logic, and production-ready PCB layouts. My expertise spans embedded firmware, digital/analog electronics, FPGA development, and PCB design, allowing me to deliver complete, reliable, and manufacturable solutions rather than isolated code or schematics. In addition to engineering services, I provide China MFG & Sourcing support, helping clients move from prototype to mass production efficiently. 🔧 Core Expertise 🎖️Embedded Firmware - STM32, TI, ESP32, nRF, Arduino, PIC - Bare-metal & RTOS (FreeRTOS) - Drivers (I2C, SPI, UART, CAN, USB, Ethernet) - Low-power optimization & bootloaders 🎖️ PCB Design - Altium Designer / KiCad - Up to 24 layer boards - High-speed interfaces, impedance control - DFM/DFA support for manufacturing 🎖️Embedded Hardware & Electronics - Analog & digital circuit design - Power management (DC-DC, LDO, battery chargers) - Sensor integration, motor control, HMI - EMI/ESD and reliability considerations 🎖️ FPGA Development - Verilog / VHDL - Xilinx & Intel (Altera) - Interface logic, timing closure, debugging - FPGA + MCU co-design 💪Additional Support: China MFG & Sourcing (PCB, PCBA, BOM, production coordination) 🧠 What I Bring to Your Project - Clear communication and structured documentation - Practical, production-focused engineering - Strong debugging and root-cause analysis skills - Experience working with global clients and remote teams Design decisions based on cost, reliability, and scalability 🚀 Typical Projects - Custom embedded controllers - IoT devices and gateways - Motor control & power electronics - Industrial automation hardware - FPGA-based data acquisition systems - Prototype → mass production support If you need an engineer who understands both hardware and firmware deeply, and can take ownership of your product from idea to working hardware — let’s talk. kurang
Upah manojachanta7172
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Hey there! Thanks for popping by my profile - it’s great to have you here. Feel free to have a nose around and say hello if something catches your eye! With over 7+ years of experience in Artificial Intelligence (AI), Machine Learning (ML), and advanced software engineering, I specialize in designing and implementing...Hey there! Thanks for popping by my profile - it’s great to have you here. Feel free to have a nose around and say hello if something catches your eye! With over 7+ years of experience in Artificial Intelligence (AI), Machine Learning (ML), and advanced software engineering, I specialize in designing and implementing intelligent systems that solve real-world business challenges. My work spans AI development, data science, automation, and full-stack application engineering, serving startups, global enterprises, research institutions, and government organizations. 1. AI & Machine Learning - Expertise in custom AI model development, predictive analytics, neural networks, and natural language processing (NLP). - Skilled in data modeling, training pipelines, and deployment of scalable ML systems using frameworks such as TensorFlow, PyTorch, and scikit-learn. - Strong focus on developing AI solutions that drive automation, improve decision-making, and deliver measurable business outcomes. 2. Software & Web Development - Proficient in .NET, PHP, Python, JavaScript (React, Node.js, Angular), and CodeIgniter for full-stack development. - Experienced in building custom web applications, enterprise portals, and API-driven solutions with clean, maintainable architecture. - Skilled in responsive front-end design using Tailwind CSS, Bootstrap, and modern UI/UX frameworks. 3. Data Systems & Automation - Strong background in database architecture and optimization with MS SQL Server, MySQL, PostgreSQL, and Microsoft Access. - Expertise in Google Sheets automation, including custom scripts, add-ons, and data workflows for efficiency and integration with cloud services. 4. E-Commerce & Business Platforms - Hands-on experience with Shopify, WooCommerce, BigCommerce, and Magento, including setup, customization, and optimization. - Knowledge of Salesforce development (APEX, Lightning Components, and integrations) for CRM and automation. 5. Mobile & Cross-Platform Applications - Development of hybrid mobile apps using React Native and Flutter, with a focus on smooth user experience and performance. 6. Design & User Experience - Skilled in UI/UX wireframing, prototyping, and visual branding to ensure that each product is not only functional but intuitive and visually engaging. kurang
Upah va01v
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Hi! I’m a passionate Graphic Designer and Website & App Developer with 5 years of experience creating digital solutions that are both visually stunning and highly functional. I help brands stand out with creative designs and build modern, responsive websites and apps that deliver a smooth user experience. 🎨 Graphic...Hi! I’m a passionate Graphic Designer and Website & App Developer with 5 years of experience creating digital solutions that are both visually stunning and highly functional. I help brands stand out with creative designs and build modern, responsive websites and apps that deliver a smooth user experience. 🎨 Graphic Design Services: -Logo & Brand Identity Design -Flyers, Posters, and Brochures -Social Media Graphics & Ads -Packaging & Print Design -UI/UX Design for Websites & Apps 💻 Web & App Development Services: Responsive Website Design & Development -iOS & Android Mobile App Development -E-commerce Websites & Online Stores -Landing Pages & Portfolios -Custom Web Applications -Website/App Maintenance & Support 🚀 Why Choose Me? Unique designs that match your brand identity -Pixel-perfect websites & apps with smooth performance -Unlimited revisions until you’re satisfied -On-time delivery with clear communication -Skilled in the latest design & development tools 🌍 Whether you need a brand-new logo, marketing graphics, or a full website/app, I can deliver creative and professional results tailored to your needs. kurang
Upah itahaprox
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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. kurang
Upah deane20
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⭐️⭐️⭐️⭐️⭐️ Machine learning | AI | Chat GPT | LLM ⭐️⭐️⭐️⭐️⭐️ Web Apps | Mobile Apps | Blockchain | DevOps ⭐️⭐️⭐️⭐️⭐️ Node | Java | PHP | Python ⭐️⭐️⭐️⭐️⭐️ MEAN| MERN | LAMP | Firebase | Mongo | RDBMS ⭐️⭐️⭐️⭐️⭐️ React Native | Flutter | Ionic | Native IOS and Android ⭐️⭐️⭐️⭐️⭐️ AWS | GCP | Azure ⭐️⭐️⭐️⭐️⭐️ Agile |...⭐️⭐️⭐️⭐️⭐️ Machine learning | AI | Chat GPT | LLM ⭐️⭐️⭐️⭐️⭐️ Web Apps | Mobile Apps | Blockchain | DevOps ⭐️⭐️⭐️⭐️⭐️ Node | Java | PHP | Python ⭐️⭐️⭐️⭐️⭐️ MEAN| MERN | LAMP | Firebase | Mongo | RDBMS ⭐️⭐️⭐️⭐️⭐️ React Native | Flutter | Ionic | Native IOS and Android ⭐️⭐️⭐️⭐️⭐️ AWS | GCP | Azure ⭐️⭐️⭐️⭐️⭐️ Agile | Scrum | Kanban Team of technocrats having 15+ years of experience in software development on various technologies and methodologies. We specialize in taking your project right from idea inception to going live as per the requirements and deadlines. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ Business Sectors Served: ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ ✅ Blockchain and Crypto ✅ Social Networks ✅ E-commerce ✅ Healthcare ✅ Finch and Banking ✅ On demand services ✅ Real Estate ✅ Business Analytics and many more. As a team, We believe in delivering quality and supporting it till the end users are satisfied with the product. We basically manage every project in 5 phases which makes it easy for the client to track progress and complete the project on time- 1. Requirement Analysis which involves analysing the project in a detailed manner with client and freezing the exact timeframe of the project with client. 2. Mockups+Feedback which involves feedback from client over the mockups developed for the project and making any changes if necessary. 3. Coding/Development and Initial Testing 4. Deployment and final testing of the project from client side. 5. Support for the project in case of any bugs. Feeling like we are a good fit for you? Let’s discuss your idea. kurang
Upah flance9
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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. kurang
Upah oleksandrt68
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Hi, my name is Milos. I am passionate about transforming complex technical ideas into marketable products. I provide end-to-end expertise in advanced PCB design, accessory alignment, and temporary alignment development across 10 fixed environments, including IoT, robotics, and ultra-low-power devices. I have a proven...Hi, my name is Milos. I am passionate about transforming complex technical ideas into marketable products. I provide end-to-end expertise in advanced PCB design, accessory alignment, and temporary alignment development across 10 fixed environments, including IoT, robotics, and ultra-low-power devices. I have a proven track record of designing devices for aerospace, military, amateur radio, and commercial applications. I am proficient in industry-standard PCB design software such as Altium, Eagle, KiCad, and EasyEDA, and possess in-depth knowledge of RF design, USB interfaces, high-speed data transmission, impedance matching, and EMI reduction. I am committed to providing high-quality, manufacturable electronic solutions that meet industry standards and customer specifications. Core Competencies • Electronic Design: Analog, Digital, RF, and Electronics • PCB Design Software: Altium Designer, Eagle CAD, KiCad, EasyEDA • Areas of Expertise: RF Circuits, USB Interfaces, Service Data Transmission, Communication Management, EMI Mitigation • Project Areas: Air Force, Military, Wireless Services, Service Products • Industry Knowledge: We have expertise in manufacturing standards, DFM best practices, and industry-recognized technologies. • Innovation: I have proven patents and unique technology developments. Ready to turn your innovative idea into a high-quality product? Let's connect to discuss how my expertise can drive your project's success. kurang
Upah milosk4
