Embedded Firmware Developer

Madhapur,Hyderabad | Full-Time (Permanent)

Job Summary

Bharat Smart Services is seeking a skilled and passionate Embedded Firmware Developer to join our engineering team. You will be responsible for developing reliable, scalable, and efficient firmware for ESP32/ESP8266-based IoT products. This role involves working at the intersection of hardware and software to bring cutting-edge smart solutions to life.

Requirements & Responsibilities

About Bharat Smart Services:

At Bharat Smart Services, we are committed to building intelligent, efficient, and reliable smart device solutions that cater to modern-day needs. From connected appliances to industrial IoT systems, we innovate to create a smarter and more connected India. Our team thrives on solving tough engineering problems and bringing real-world impact through technology.

Key Responsibilities:

Design, develop, and debug embedded firmware in C/C++ for ESP32/ESP8266 microcontrollers.
Implement low-power modes, bootloaders, and OTA update mechanisms.
Collaborate with hardware, mobile, and cloud teams to define firmware requirements, review hardware schematics, and improve system performance.
Write and maintain clear technical documentation such as register maps, state diagrams, API guides, and release notes.

Qualifications:

Required:

Bachelor’s degree (B.E./B.Tech.) in Electronics, Electrical, Computer Engineering, or equivalent practical experience.
Minimum 3 years of hands-on experience in embedded firmware development.
Strong knowledge of ESP32/ESP8266 platforms (ESP-IDF, Arduino Core, or RTOS).
Proficient in C/C++11/14, Make/CMake, Git, and CI/CD tools.
Familiarity with JTAG/SWD debugging, and power/thermal optimization.
Ability to interpret datasheets and schematics and use lab instruments effectively.

Nice to Have:

Experience with FreeRTOS or other RTOS environments.
Knowledge of MQTT/HTTP(S) protocols and TLS security.
Hands-on experience with OTA deployment pipelines (e.g., AWS IoT, Azure IoT Hub).
Exposure to battery-powered or ultra-low-power design considerations.