RTOS Programmers For Hire
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Sponsored Freelancers
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Zephyr RTOS contributor and Technical Product Manager with 2 years of product management experience and 9+ years of hands-on technical expertise in IoT, embedded systems, and smart home technologies. Proven ability to bridge engineering and business needs, leading cross- functional teams to deliver...Zephyr RTOS contributor and Technical Product Manager with 2 years of product management experience and 9+ years of hands-on technical expertise in IoT, embedded systems, and smart home technologies. Proven ability to bridge engineering and business needs, leading cross- functional teams to deliver scalable hardware/software solutions. Deep knowledge of wireless protocols (BLE, Zigbee, LoRa, Matter) and agile product development. less
Hire molinary20
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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. less
Hire oleksandrt68
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AI (Artificial Intelligence) HW/SW, AI Agents, AI Chatbot Development, AI Development, AI Model DevelopmentAs an experienced embedded engineer, I excel in working with a diverse range of microcontrollers, developing robust and efficient solutions tailored to specific hardware requirements. My hands-on expertise spans various platforms, enabling me to optimize performance, enhance reliability, and troubleshoot complex...As an experienced embedded engineer, I excel in working with a diverse range of microcontrollers, developing robust and efficient solutions tailored to specific hardware requirements. My hands-on expertise spans various platforms, enabling me to optimize performance, enhance reliability, and troubleshoot complex issues effectively. My deep understanding of embedded systems allows me to design and implement innovative solutions that meet demanding technical specifications and real-world applications. In addition to my embedded systems expertise, I bring a strong background in software development as a MERN stack developer. My proficiency with MongoDB, Express.js, React.js, and Node.js enables me to build dynamic, scalable, and user-friendly web applications. I am skilled in crafting seamless front-end and back-end solutions, ensuring cohesive integration between client and server-side functionalities. less
Hire drtaimoor
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mandalsurajkumar mandalsurajkumar
$50 USD / hour
Firmware Engineer | Embedde Software EngineerIndiaHii, I am Suraj Kumar Mandal. I am a Embedded Software Engineer and I have been working in this field from last 2 years. My skill include end to end harware project from ideation stage to production ready product. This include analyzinf idea, design circuit, PCB designing, firmware development, testing and...Hii, I am Suraj Kumar Mandal. I am a Embedded Software Engineer and I have been working in this field from last 2 years. My skill include end to end harware project from ideation stage to production ready product. This include analyzinf idea, design circuit, PCB designing, firmware development, testing and validation. My core skill include: PCB designing using KiCAD STM 32 Cube IDE, Arduino IDE, PlatformIO & VS code, ESP IDF STM 32, ESP 32, Arduino UNO FreeRTOS OpenOCD, GDB Thank you less
Hire mandalsurajkumar
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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. less
Hire cmsivolella
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I have 7 years experiance in my bussiness. I graduated from ITU electronic(bec). Problem solver one of my best tags. Some keywords that I am professional on: Raspberry Pi Python Embeded systems Microcontrollers,ARM, STM32, C8051. UART,I2C,I2S,SPI,RS232,RS485. PMBus, SMBus. More than 4 years I am working for a company...I have 7 years experiance in my bussiness. I graduated from ITU electronic(bec). Problem solver one of my best tags. Some keywords that I am professional on: Raspberry Pi Python Embeded systems Microcontrollers,ARM, STM32, C8051. UART,I2C,I2S,SPI,RS232,RS485. PMBus, SMBus. More than 4 years I am working for a company working on transmitters and broadcasting. I am team leader on R&D department. We have a break as company because of Covid-19. I am going to glad to work with someone who need professional help. less
Hire hakanulusoy
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Experienced in end-to-end automation design and delivery, with mechatronics, PLC and CNC integration and commissioning skills.Experienced in end-to-end automation design and delivery, with mechatronics, PLC and CNC integration and commissioning skills. less
Hire lingfanzhi
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Professional Embedded System Engineer with 10 years of experience on hardware and embedded software development. PCB Tools : - Altium - KiCAD - Eagle - EasyEDA Microcontroller : - AVR - STM32 - ESP8266 / ESP32 - NXP - Texas Instrument - Arduino - Raspberry / Banana / Orange Pi SBC Wireless Communication - NFC...Professional Embedded System Engineer with 10 years of experience on hardware and embedded software development. PCB Tools : - Altium - KiCAD - Eagle - EasyEDA Microcontroller : - AVR - STM32 - ESP8266 / ESP32 - NXP - Texas Instrument - Arduino - Raspberry / Banana / Orange Pi SBC Wireless Communication - NFC (MF classic, desfire, ultralight, NTAG424, NTAG213, NTAG21x, ICODE) implemented on payment, membership, access control with various NFC reader on desktop such as ACR122U, ACR120U, castle tech QP8000 to android custom reader - RFID short / long range - WiFi, Bluetooth, LoRa Wired Communication - UART, SPI, I2C, CAN, LIN, RS232, RS485 Protocol Data - MODBUS RTU / ASCII - HTTP, MQTT, TCP, UDP less
Hire edi45
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Hi there! I'm a 9 years experienced Embedded System Developer and Mechatronics Engineer With extensive industry experience in electronics hardware design, I have the aptness to analyze, design, and implement a range of the latest electronic systems for both hardware and software. I...Hi there! I'm a 9 years experienced Embedded System Developer and Mechatronics Engineer With extensive industry experience in electronics hardware design, I have the aptness to analyze, design, and implement a range of the latest electronic systems for both hardware and software. I possess a state-of-the-art prototyping workshop and electronic testing lab with infrastructural facilities such as DLP and FDM 3D printing, PCB printing facilities, reflow soldering, CNC machines, high power laser cutters, Thermoforming machines. I also have a production area to manufacture about 10-50 samples. I have a team of app developers, electronic engineering and mechanical engineers who are skillful in providing cost-effective and faster solutions to our clients. My areas of expertise in hardware * Embedded Programming and Hardware Designing * PCB Designing * Schematic/Circuit Designing * PCB Assembling * 3D Design * 3D Printing * Automation * Machine Learning * Image Processing My areas of expertise in software * Android App Development * iOS App Development. * Web Application Development Below are the tools am expertise in - * Altium * Eagle * KiCad * Orcad * Proteus EasyEDA * Solidworks * Fusion 360 * Arduino IDE * STM32 IDE * MPLAB * MATLAB * Microchip Studio * Eclipse * Intellij * Netbeans * Atom * FlatCAM * Android Studio * XCode * VSCode * WinAVR I would like help with the ideation, design and implementation of our products. Please feel free to contact me at Freelancer. Looking forward to your positive response. Thank you! less
Hire Anthony989
