Confio Technologies Private Limited
Embedded Firmware Engineer
Confio Technologies Private Limited
📍 Bengaluru, India 🇮🇳
full-time
mid-level
Posted —
Key Skills
Firmware
C++
RTOS
RS485
Debugging
Industry
Consumer Electronics
Industrial Automation
Job Description
Key Responsibilities
- 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.
- 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).
- Testing & Documentation
- Conduct firmware validation, fault analysis, and performance tuning.
- Maintain version control, change logs, and technical documentation.
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Support QA and production teams in pre-release verification.
- 4â6 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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Key Skills
Firmware
C++
RTOS
RS485
Debugging
Industry
Consumer Electronics
Industrial Automation