Job Title: Firmware Developer

Employment Type: Full-time | On site

Education: B.E. / B. Tech.

Experience: 2+ Years

About Smart Node

Smart Node is one of India’s leading brands in wireless home automation, transforming homes, offices, and hotels into smart spaces. With over 8 years of innovation, we are on a mission to simplify lives through cutting-edge automation technology made in India.

Join our passionate and fast-growing team to be part of the next big revolution in smart living.

About the Role

We're looking for a Firmware Engineer with strong embedded development experience to build production firmware for IoT and smart automation products, primarily on Espressif ESP32 using ESP-IDF and FreeRTOS. The role involves working closely with hardware, developing under an RTOS, and handling the complete firmware lifecycle — from boot-up to secure OTA updates.

Key Responsibilities

Develop, debug, and maintain embedded firmware across the full product lifecycle

Work with wireless technologies: Wi-Fi, Bluetooth/BLE, Thread

Implement RTOS-based firmware (tasks, queues, semaphores, mutexes, timers, inter-task communication)

Interface with hardware peripherals: SPI, I²C, UART, GPIO, PWM, ADC

Develop and debug network communication using TCP/IP, UDP, MQTT, DNS; use tools like Wireshark for troubleshooting

Collaborate with hardware engineers on PCB bring-up, board validation, and product testing





Write clean, modular, well-documented Embedded C/C++ code

Who Can Apply (Ideal Backgrounds):

Bachelor's degree in Electronics, Electrical, Computer Engineering, Embedded Systems, or related field

2+ years of hands-on embedded firmware development experience (strong practical projects also considered)

Strong hands-on experience with Embedded C/C++ and ESP32/ESP-IDF

Practical experience with FreeRTOS (or similar RTOS)

Comfortable using debuggers, programmers, serial terminals, and logic analyzers

Solid independent troubleshooting ability across firmware, RTOS, hardware, and networking issues

Familiarity with Git/version control

Preferred industry experience includes

Nordic Semiconductor / Silicon Labs wireless platforms

Thread / Matter

STM32 or Infineon PSoC 4 (ARM-based MCUs)

Secure boot, firmware encryption, and secure OTA

Low-power/battery-operated IoT devices

Industrial/building automation protocols (DMX, DALI, KNX)

Prior experience developing firmware for commercial/production IoT products

Why Join Us?

Be part of a fast-growing, innovation-driven smart automation company

Attractive fixed salary + performance-based incentives

Exposure to premium residential and commercial projects

Opportunity to build your personal brand in the smart home technology space https://smartnode.in/

📌 Firmware Developer (On Site) - Vadodara, Gujarat
🏢 Smart Node
📍 Vadodara