- Job Title

Staff Firmware Engineer / Senior Staff Firmware Engineer

- Job Role

Design, develop, and validate embedded firmware solutions for ARM Cortex-M based platforms. The role involves driver development, RTOS-based application development, communication protocol integration, security implementation, testing, and CI/CD enablement while working closely with cross-functional engineering teams.

- Experience
- Staff Firmware Engineer: 8-12 years
- Senior Staff Firmware Engineer: 12-15 years
- Bachelor's degree in Electrical, Electronics, or Communication Engineering
- Must-Have Skills
- STM32 or ARM Cortex-M 32-bit microcontroller firmware development
- RTOS experience (preferably Zephyr) and bare-metal programming
- Driver development for I2C, UART, and SPI
- CAN communication protocol
- Solid coding skills in Embedded C and Python
- Experience with ADC, GPIO, and PWM peripherals
- Secure bootloader and secure firmware upgrade implementation
- Git, Docker, and CI/CD pipeline management




- Unit testing using the Zephyr ecosystem
- Firmware module integration testing and debugging
- Good-to-Have Skills (Industrial Communication)
- Ethernet and Industrial Ethernet
- TCP/IP-based industrial protocols such as MQTT and Modbus
- TLS and application security implementation
- Good-to-Have Skills (Battery Management Systems)
- Battery Management Systems (BMS), including voltage and temperature monitoring
- State of Charge (SoC) estimation concepts
- Energy Management System (EMS) state machine experience
- Key Responsibilities
- Develop and maintain embedded firmware for ARM Cortex-M platforms.
- Design and integrate device drivers, communication stacks, and middleware.
- Implement secure boot, firmware update, and security features.
- Develop automated build, test, and deployment pipelines.
- Perform unit, integration, and system testing.

📌 TECHNICAL LEAD - ARM (Karnataka)
🏢 Happiest Minds Technologies
📍 Karnataka