Embedded Firmware Engineer

Confio Technologies

6 years

3 - 7 Lacs

bengaluru

Posted:2 days ago| Platform: GlassDoor logo

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Skills Required

design microcontroller communication modbus uart sensors rtos testing support prototype debugging jtag analysis timing logic git

Work Mode

On-site

Job Type

Part Time

Job Description

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

4â€“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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