Embedded Firmware Engineer

About the role

Halma India seeks an Embedded Firmware Engineer in Ahmedabad to design and maintain firmware for life-saving instruments. The role involves developing STM32-based applications, implementing secure bootloaders, and optimizing low-level drivers. This is a full-time, on-site position requiring 3-5 years of experience.

What you’ll do

• Design, develop, and maintain embedded firmware in C for STM32-based instruments
• Develop and optimize low-level peripheral drivers (UART, I2C, SPI, DMA, etc.)
• Architect and implement FreeRTOS-based applications including task decomposition and synchronization
• Write and maintain custom bootloader code with image validation and rollback capabilities
• Implement secure firmware update paths and anti-tamper measures
• Integrate and characterize sensors and peripherals like gas sensors and BLE modules
• Debug at hardware level using oscilloscopes and logic analyzers
• Produce engineering documentation and support production teams with root cause analysis

What you’ll bring

• Bachelor's or Master's degree in Electronics, ECE, Instrumentation, Computer Engineering or related field
• 3 to 5 years of hands-on embedded firmware development experience in a product company
• Strong proficiency in Embedded C including pointers, memory management, and interrupt-safe coding
• Solid bare-metal experience with STM32 microcontrollers (Cortex-M0+/M3/M4)
• Practical production-level experience with FreeRTOS

Nice to have

• Demonstrated experience writing bootloader code and firmware update mechanisms
• Working knowledge of firmware protection, encryption (AES), and secure boot concepts
• Strong grasp of serial communication protocols (UART, I2C, SPI) and hardware debugging
• Experience with Git and structured development workflows

Skills

Benefits

• Opportunities for individual growth and impact
• Great Place to Work® certified organization

Education

Bachelor's or Master's degree in Electronics, Electronics & Communication, Instrumentation, Computer Engineering or a related discipline.