Firmware Developer

Freshcodes Technology; Surat; On-site; INR 600,000 - 1,200,000; Full time

Job summary

Freshcodes Technology in Surat seeks a Firmware Developer with 2-3 years hands-on embedded firmware experience. You will work with Embedded C, Zephyr RTOS, and Nordic nRF52/53 devices, contributing to BLE functionality and hardware-software integration.

The role emphasizes low-power optimization, debugging, and collaboration with the engineering team; familiarity with Git and hardware debugging tools is valued.

Qualifications

• 2-3 years of experience in Firmware/Embedded development.
• Strong Embedded C programming skills.
• Hands-on experience with Zephyr RTOS.
• Experience with Nordic nRF52/nRF53 or similar ARM Cortex-M MCUs.
• Knowledge of BLE and embedded communication protocols.
• Understanding of ARM Cortex-M and MCU peripherals.
• Good firmware debugging and problem-solving skills. Familiarity with Git.

Responsibilities

• Develop and debug embedded firmware using C and Zephyr RTOS.
• Work with Nordic nRF52/nRF53 or similar ARM Cortex-M MCUs.
• Develop and integrate BLE functionality.
• Work with UART, SPI, I2C, GPIO, ADC, timers, and sensors.
• Use nRF Connect SDK, DeviceTree, Kconfig, West, and CMake.
• Support hardware/firmware integration and debugging.
• Optimize firmware for performance, reliability, and low-power operation.
• Use Git for version control and participate in code reviews.

Skills

Embedded C

Zephyr RTOS

nRF52/53

BLE

ARM Cortex-M

Git

Debugging

Education

Bachelor's degree in Electronics/Electrical/CS

Tools

J-Link

SWD/JTAG

GDB

RTT

Oscilloscope

Logic Analyzer

Protocol Analyzer

Job description

Firmware Developer

Experience: 2-3 Years

Employment Type: Full-Time

Job Overview

We are looking for a skilled and motivated Firmware Developer with 2-3 years of hands-on experience in embedded firmware development. The ideal candidate should have practical experience with Embedded C, Zephyr RTOS, Nordic Semiconductor nRF-series microcontrollers, nRF Connect SDK, Bluetooth Low Energy (BLE), and embedded communication protocols.

Key Responsibilities

• Develop and debug embedded firmware using C and Zephyr RTOS.
• Work with Nordic nRF52/nRF53 or similar ARM Cortex-M MCUs.
• Develop and integrate BLE functionality.
• Work with UART, SPI, I2C, GPIO, ADC, timers, and sensors.
• Use nRF Connect SDK, DeviceTree, Kconfig, West, and CMake.
• Support hardware/firmware integration and debugging.
• Optimize firmware for performance, reliability, and low-power operation.
• Use Git for version control and participate in code reviews.

Required Skills

• 2-3 years of experience in Firmware/Embedded Development.
• Strong Embedded C programming skills.
• Hands-on experience with Zephyr RTOS.
• Experience with Nordic nRF52/nRF53 or similar platforms.
• Knowledge of BLE and embedded communication protocols.
• Understanding of ARM Cortex-M and MCU peripherals.
• Good firmware debugging and problem-solving skills. Familiarity with Git.

Debugging & Development Tools

Experience with one or more of the following is preferred:

• J-Link
• SWD / JTAG
• GDB
• RTT
• Oscilloscope
• Logic
• Analyzer
• Protocol Analyzer

Good to Have

• Experience with MCUboot or firmware DFU/update mechanisms.
• Experience with secure firmware or embedded security concepts.
• Experience with FreeRTOS or another RTOS. Knowledge of C++.
• Experience working with sensors and power-management devices.
• Experience with embedded product development from bring-up through testing.
• Exposure to medical, wearable, IoT, or other battery-powered embedded products.

Education

Bachelor's degree in Electrical Engineering, Electronics Engineering, Computer Engineering, Computer Science, Embedded Systems, or a related discipline.

Candidate Profile

• The ideal candidate should:
• Have strong hands-on embedded firmware development experience.
• Be comfortable working close to hardware.
• Have good debugging and problem-solving skills.
• Be able to understand hardware/firmware interactions.
• Be comfortable learning and working with new embedded technologies.
• Have good communication and teamwork skills.
• Be able to work effectively in a collaborative engineering environment.

Why Join Us?

• Opportunity to work on real-world embedded products.
• Work with Zephyr RTOS and Nordic Semiconductor technologies.
• Exposure to BLE, low-power embedded systems, and hardware/firmware integration.
• Collaborative and technically focused work environment.
• Opportunities for professional growth and learning.