IoT Firmware Developer 5+ years Experience

24 hours ago

Chennai, Tamil Nadu, India Crestclimber Software Solutions Private Limited Full time ₹ 5,00,000 - ₹ 8,00,000 per year

Job Title: IoT Firmware Developer

Experience: 5+ Years

Location: Kodambakkam, Chennai

Company: Crestclimber Software Solutions Private Limited

About Us:

Crest Climber Software Solutions is a fast-growing technology company specializing in enterprise software and IoT-based products for industrial automation, smart systems, and connected devices. We develop scalable cloud-integrated IoT platforms for domains such as manufacturing, energy, and smart infrastructure.

Role Overview:

We are looking for a talented IoT Firmware Developer with hands-on experience in developing, testing, and deploying firmware for embedded systems. The ideal candidate will work on device communication protocols, real-time data acquisition, and cloud integration for IoT-enabled products.

Key Responsibilities:

  • Design, develop, and optimize firmware for IoT devices using C/C++ or Embedded C.
  • Work with microcontrollers (ARM, ESP32, STM32, PIC, or similar).
  • Develop and implement communication protocols such as MQTT, Modbus, BLE, LoRa, Wi-Fi, and Ethernet.
  • Integrate devices with cloud platforms (Azure IoT, AWS IoT, or custom MQTT brokers).
  • Collaborate with hardware, software, and cloud teams to deliver end-to-end IoT solutions.
  • Debug and troubleshoot firmware and hardware integration issues.
  • Maintain documentation for code, architecture, and version control (Git).

Required Skills:

  • Strong knowledge of Embedded C / C++.
  • Experience with real-time operating systems (FreeRTOS or similar).
  • Good understanding of sensor integration (temperature, pressure, GPS, etc.).
  • Familiarity with serial communication (UART, SPI, I2C, RS485).
  • Experience with OTA updates and power optimization techniques.
  • Basic understanding of cloud APIs, REST, or MQTT communication.
  • Hands-on with tools like Keil, STM32CubeIDE, Arduino IDE, or PlatformIO.

Preferred Qualifications:

  • Experience with IoT boards like ESP32, Raspberry Pi, or STM32.
  • Exposure to Python or for test automation or data handling.
  • Understanding of hardware schematics and circuit debugging.
  • Knowledge of cybersecurity basics for IoT devices.

Education:

  • Bachelor's Degree in Electronics, Electrical, Instrumentation, Computer Science, or related field.

How to Apply:

Send your resume and portfolio to with the subject "Application for IoT Firmware Developer".

Contact US

Email:

Mobile:

Job Types: Full-time, Permanent

Work Location: In person

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