Embedded Firmware Engineer

Weekday AI

Bengaluru, Karnataka, India permanent

Posted: January 28, 2026

Required Skills

Job Description

This role is for one of the Weekday's clients

Min Experience: 3 years

Location: Bengaluru

JobType: full-time

The Embedded Firmware Engineer will be responsible for designing, developing, and maintaining firmware for microcontroller-based systems. The role involves low-level programming, RTOS and bare-metal development, hardware bring-up, and close collaboration with hardware teams to deliver reliable and high-performance embedded solutions.

Requirements:
Key Responsibilities

• Design, develop, and maintain embedded firmware for ARM Cortex-M and RISC-V microcontrollers.
• Develop and integrate device drivers for communication interfaces such as I2C, SPI, UART, CAN, USB, BLE, and Ethernet.
• Work on real-time operating systems including FreeRTOS and Zephyr, as well as bare-metal firmware.
• Perform board bring-up, system debugging, and validation using tools such as JTAG/SWD, oscilloscopes, and logic analyzers.
• Analyze hardware schematics and component datasheets to ensure accurate firmware integration.
• Collaborate closely with hardware, validation, and system teams throughout the development lifecycle.

Must-Have Skills & Experience

• 3–5 years of hands-on experience in embedded firmware development.
• Strong proficiency in C programming (C++ is a plus).
• Experience working with ARM Cortex-M or RISC-V MCU architectures.
• Solid experience with RTOS (FreeRTOS, Zephyr) or bare-metal programming.
• Strong debugging skills using JTAG, SWD, and lab instruments.
• Hands-on experience with standard communication protocols.

Good-to-Have Skills

• Experience with bootloader development (MCU bootloaders, U-Boot).
• Knowledge of power optimization and low-power system design.
• Exposure to OTA mechanisms and secure firmware update workflows.
• Python scripting for testing, validation, or automation.

Skills

• Embedded C
• RTOS
• ARM / RISC-V
• FreeRTOS
• Zephyr
• Embedded Linux

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