RFID Experts pentru angajare
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Where technical precision meets real-world impact Hi, I’m Martin, a Senior Software Engineer with over 13 years of experience building robust backend systems and smart automation solutions. My core expertise lies in Python development, with a strong focus on Django, process automation, and hardware-software...Where technical precision meets real-world impact Hi, I’m Martin, a Senior Software Engineer with over 13 years of experience building robust backend systems and smart automation solutions. My core expertise lies in Python development, with a strong focus on Django, process automation, and hardware-software integration using tools like Raspberry Pi and Arduino. ✴️ Core Technical Skills - Python Development – Efficient and scalable backend systems - Django & Django REST Framework – Clean, secure, and well-documented APIs - Process Automation – From workflow optimization to RPA and web scraping - Hardware Integration – Raspberry Pi, Arduino, sensors, and custom electronics - Linux Server Administration – Secure deployments, performance tuning, and uptime reliability - Database Management – MySQL, PostgreSQL, SQLite - Basic Frontend Development – Clean and functional interfaces using HTML, CSS, and JavaScript ✴️ What I Build - Custom RESTful APIs for mobile or web apps - End-to-end IoT solutions and embedded systems - Automation tools that reduce manual work - Monitoring dashboards with real-time hardware data - Backend platforms with hardware communication layers ✴️ Why Work With Me? - Specialized Expertise – I solve technical problems with depth, not with shortcuts - End-to-End Ownership – From architecture to deployment and post-launch support - Clear Communication – Technical concepts translated into actionable plans - Long-Term Support – I don’t disappear after delivery; I ensure everything works and improves Let’s Work Together If you’re looking for a backend engineer who understands both software and hardware, and who can deliver efficient, future-ready solutions, I’d love to hear about your project. ✴️ Reach out to discuss how we can bring your ideas to life. mai puțin
Angajează pe martini002
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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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⭐️⭐️⭐️⭐️⭐️ 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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++++++++++++++++++++++ ++++++++++++++++++++++ Joseph is a Texas-based multidisciplinary designer and an engineer providing integrated architecture, engineering, and consulting services for projects across multiple U.S. states. Our team delivers coordinated, code-compliant, and construction-ready solutions by bringing...++++++++++++++++++++++ ++++++++++++++++++++++ Joseph is a Texas-based multidisciplinary designer and an engineer providing integrated architecture, engineering, and consulting services for projects across multiple U.S. states. Our team delivers coordinated, code-compliant, and construction-ready solutions by bringing architecture, civil, structural, MEP, fire protection, interior design, landscape architecture, and 3D modeling under one roof. From concept through permitting and construction, we focus on clarity, efficiency, and responsive project delivery. Serving clients nationwide, Joseph is committed to practical design solutions that balance performance, compliance, and buildability. ++++++++++++++++++++ +++++++++++++++++++++ mai puțin
Angajează pe armanr78
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Senior-level Professional Structural, Electronics, and Mechanical Engineer with 5+ years of multidisciplinary experience across structural engineering, PCB design, embedded electronics, automation, and mechanical product development. Proven ability to deliver industrial and consumer-grade hardware by optimizing...Senior-level Professional Structural, Electronics, and Mechanical Engineer with 5+ years of multidisciplinary experience across structural engineering, PCB design, embedded electronics, automation, and mechanical product development. Proven ability to deliver industrial and consumer-grade hardware by optimizing electromechanical systems and leading full engineering lifecycles from concept, analysis, and design through validation and manufacturing. Highly proficient in AutoCAD, Revit, Tekla, Altium Designer, SolidWorks, MATLAB, PLC/HMI systems, high-speed PCB design, mechanical modeling, and reliability and compliance testing, with a strong focus on performance, manufacturability, and long-term system robustness. mai puțin
Angajează pe mohamedaminea1
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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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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 mai puțin
Angajează pe yaroslavmark
