Embedded Firmware Engineer

4 weeks ago


Bengaluru, India Confio Technologies Full time

Key Responsibilities 1. Firmware Development •Design, implement, and maintain firmware for microcontroller-based systems (STM32, ESP, etc.) in C/C++. •Develop and optimize communication protocols (RS485, Modbus RTU, UART, SPI, I²C). •Work with sensors, relays, dimmers, and control circuits for real-time applications. •Implement RTOS-based designs and event-driven state machines. 2. System Integration •Collaborate with hardware, app, and testing teams for full product integration. •Support PCB bring-up, prototype validation, and debugging using JTAG/SWD tools. •Contribute to production firmware and field-upgradeable systems (bootloader/OTA). 3. Testing & Documentation •Conduct firmware validation, fault analysis, and performance tuning. •Maintain version control, change logs, and technical documentation. •Support QA and production teams in pre-release verification. Required Skills •4–6 years of experience in embedded firmware development. •Proficiency in Embedded C / C++, RTOS, and microcontroller peripherals. •Strong understanding of RS485 / Modbus communication, I/O handling, and timing control. •Experience using debugging tools (oscilloscopes, logic analyzers, etc.). •Familiarity with Git and structured firmware release processes.



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