Embedded Engineer

Embedded Systems Engineer – IoT, ESP32-S3, and Firmware Development

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Company:

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About Us

Ekosight (Soil Doctor)

Role Overview

Embedded Systems Engineer

Key Responsibilities

• Design, develop, and optimize firmware for

  ESP32-S3

  and other microcontrollers.
• Integrate sensors, Wi-Fi modules, and

  DWIN LCD displays

  for real-time data display.
• Develop and manage IoT connectivity using

  MQTT, HTTP, and AWS IoT Core

  .
• Handle

  data acquisition, transmission, and synchronization

  with cloud services.
• Debug, test, and optimize device performance and power consumption.
• Collaborate with the software, hardware, and cloud teams to ensure smooth integration.
• Maintain proper documentation and version control for all firmware.

Required Skills & Experience

• Strong knowledge of

  Embedded C/C++

  and firmware development.
• Experience with

  ESP32 / ESP32-S3

  , including FreeRTOS and Wi-Fi/BLE connectivity.
• Familiarity with

  IoT protocols

  (MQTT, HTTP, TCP/IP).
• Experience with

  DWIN / Nextion LCD

  or similar display programming.
• Understanding of

  AWS IoT, MQTT broker, and data pipeline integration

  .
• Debugging tools (JTAG, Serial Monitor, Logic Analyzer).
• Experience in integrating sensors (temperature, humidity, pH, EC, etc.) preferred.

Good to Have

• Familiarity with

  Python or Node.js

  for testing or backend simulation.
• Basic knowledge of

  PCB design and hardware schematics

  .
• Experience with

  IoT device security and OTA firmware updates

  .
• Passion for

  AgriTech / sustainability / IoT for good

  .

Education

• B.Tech / M.Tech in

  Electronics, Electrical, Computer Engineering, or Mechatronics

  .

Why Join Us

• Opportunity to work on a real-world

  IoT + AI + Agriculture

  system.
• Be part of a mission-driven team improving

  soil health and farmer livelihoods

  .
• Hands-on exposure from

  firmware to cloud

  – full IoT product lifecycle.
• Great learning curve and potential

  transition to a core R&D role

  .