Embedded Firmware Developer

2 days ago

Bengaluru, India Digite Infotech Full time

Description :We are looking for a passionate Embedded Firmware Developer with 1.52 years of hands-on experience in developing firmware for IoT controllers. You will work on next-generation connected devices involving ARM-based microcontrollers, low-power design, and wireless connectivity. The role requires strong embedded C/C++ skills, understanding of IoT communication protocols, and an ability to work closely with hardware and software teams to deliver robust, production-grade firmware solutions.Key Development:- Design, develop, and maintain firmware for ARM-based IoT microcontrollers (e.g., STM32, SAMD, nRF52), ESP32 etc- Integrate wired and wireless communication interfaces (UART, I2C, SPI, RS485, Ethernet, LoRa, LoRaWAN, BLE, and Wi-Fi)- Develop firmware for sensor data acquisition, actuator control, and IoT networking (MQTT/HTTP/TCP-IP).- Write optimized, modular, and maintainable C/C++ code suitable for low-resource systems.Hardware & Integration:- Configure and optimize microcontroller peripherals (ADC, DAC, timers, GPIO, interrupts).- Develop device drivers for sensors, actuators, and communication modules.- Troubleshoot and debug hardware-firmware issues using JTAG, oscilloscopes, and analyzers.- Collaborate with hardware engineers during board bring-up and design validation.Performance & Reliability:- Optimize firmware for low power and efficient memory usage.- Implement power management features (sleep modes, wake-up events).- Design state machines and multitasking architectures- Conduct firmware testing, debugging, and validation.Documentation & Version Control:- Maintain detailed firmware documentation (architecture, APIs, design decisions).- Use Git for source control and collaborative development.- Contribute to design reviews, code reviews, and continuous improvement initiatives.Preferred Application Domains:- Experience with Agricultural IoT systems such as soil monitoring, irrigation control, or weather sensing is a strong plus.- Familiarity with environmental data logging and remote equipment control is advantageous.Required Qualifications:- 1.52 years of professional experience in embedded firmware development.- Proficiency in C/C++ for embedded systems.- Experience with ARM-based microcontrollers (STM32, SAMD, nRF5x), ESP32 etc.- Working knowledge of LoRa/LoRaWAN, BLE, and Wi-Fi protocols.- Experience with UART, I2C, SPI, RS485, Ethernet communications.- Hands-on debugging with GDB, JTAG/SWD, and protocol analyzers.- Familiarity with RTOS concepts (FreeRTOS, Zephyr) or bare-metal systems.- Strong understanding of network protocols (MQTT, HTTP, TCP/IP).- Good documentation and version control practices (Git).Nice-to-Have Skills:- Experience with OTA updates, low-power design, and secure boot mechanisms.- Familiarity with FreeRTOS, Zephyr, or Nordic SoftDevice.- Exposure to CI/CD pipelines for embedded development.- Experience with agriculture or industrial IoT Bachelors degree in Electronics, Electrical, Computer Engineering, or related technical field.- Equivalent hands-on experience will also be considered.Tools & Technologies:- Toolchains: GCC/ARM, STM32CubeIDE, Segger Embedded Studio, PlatformIO.- Debugging: JTAG, SWD, Oscilloscope, Logic Analyzer.- Version Control: Git, GitHub/GitLab.- RTOS: FreeRTOS, Zephyr.- Networking: MQTT, HTTP, TCP/IP (ref:hirist.tech)

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