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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⭐️⭐️⭐️⭐️⭐️ 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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Analog Electronics, C Programming, C++ Programming, DFM (Design for Manufacturing), Digital ElectronicsI am specialized on creating microcontroller-based electronic devices. I can select component solutions, create electronic circuits, route them to PCBs, write a firmware for onboard MCU (STM32/nRF52/Renesas R series/NXP), write unit tests (ceedling), build automated QA test stand, build CI pipeline (bitbucket),...I am specialized on creating microcontroller-based electronic devices. I can select component solutions, create electronic circuits, route them to PCBs, write a firmware for onboard MCU (STM32/nRF52/Renesas R series/NXP), write unit tests (ceedling), build automated QA test stand, build CI pipeline (bitbucket), prepare PCB for DFM, optimize things like Flash/RAM footprint, BOM and power management, to decrease your Time To Market. I have a small lab with everything necessary for development and debugging. less
Hire TKSigma
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Thank you for visiting my profile. I am a Japanese senior software engineer. I work across IoT, embedded systems, firmware, web, and mobile. I like simple plans, small milestones, and steady delivery. My style is calm and precise. I do not overpromise. I design and ship real products end-to-end ( IoT + Firmware +...Thank you for visiting my profile. I am a Japanese senior software engineer. I work across IoT, embedded systems, firmware, web, and mobile. I like simple plans, small milestones, and steady delivery. My style is calm and precise. I do not overpromise. I design and ship real products end-to-end ( IoT + Firmware + Apps. From sensor to dashboard, clean and reliable. ) : * Firmware – ESP32/STM32/Arduino, FreeRTOS, BLE/Wi-Fi, sensors, OTA * Embedded Linux – Raspberry Pi setup, services, device I/O * Electronics bring-up – pin assignment, drivers, test firmware, basic PCB tweaks * Web dashboards – React/Next.js, charts, auth, APIs * IoT backends – Node.js, MQTT, AWS IoT/Azure IoT, alerting * Mobile apps – React Native/Flutter with BLE/Wi-Fi device control * QA & Docs – test plans, acceptance criteria, handover training # Tech Stacks I will provide : * Firmware: C/C++, ESP-IDF, STM32 HAL/LL, FreeRTOS, OTA, drivers * Embedded Linux: Raspberry Pi, Python/C++, systemd, Bash * Protocols: BLE, Wi-Fi, MQTT, Modbus, CAN (basic), REST/WebSocket * Web: React, Next.js, TypeScript, Node.js, Express, PostgreSQL * Mobile: React Native, Flutter, Bluetooth integrations * Cloud/DevOps: AWS IoT, Azure IoT, GCP, Docker, GitHub Actions * Tools: Git, JIRA, Zephyr (basic), Altium/KiCad (review & handoff) I write clean, tested code and clear README. I document pins, protocols, and build steps. I share short demos often. Time zones: PST/UK friendly. Languages: Japanese (native), English (Fluent). If you have a device to connect, data to visualize, or a prototype to turn into a stable product, I will help. Please send a short brief. I will reply with a simple plan, estimate, and timeline. less
Hire Taiga0420
