Junior IoT Engineer

Goldu Private Limited; Panaji; On-site; INR 250,000 - 350,000; Full time

Job summary

Goldu Private Limited in Goa, India is seeking an embedded/IoT developer to contribute to the Goldu Smart Sensor platform. You will develop and test IoT-based smart sensor devices and work with ESP32/STM32 microcontrollers, sensors, and LoRa communication.

You will implement basic embedded C/C++ firmware, interface with cloud APIs via MQTT/HTTP, and support field testing and documentation. Some college project experience with ESP32/IoT is welcomed.

Qualifications

• Basic C/C++ programming
• Exposure to ESP32/IoT projects
• Basic electronics and sensor interfacing
• Familiarity with LoRa/LoraWAN, MQTT, REST APIs

Responsibilities

• Develop and test IoT-based smart sensor devices.
• Work with ESP32 / STM32 microcontrollers.
• Interface and configure different sensors and electronic components.
• Develop basic embedded C/C++ firmware.
• Work with LoRa / LoRaWAN communication.
• Configure and test LoRa gateways and connected devices.
• Send sensor data to cloud platforms using MQTT / HTTP APIs.
• Work with REST APIs and basic backend integration.
• Perform device testing, calibration and troubleshooting.
• Diagnose hardware, firmware and connectivity issues.
• Assist with sensor installation and field testing.
• Maintain device configurations, test results and technical documentation.
• Work with the development team to improve the Goldu Smart Sensor platform.

Skills

Basic C/C++

Arduino/ESP32 or similar

Electronics interfacing

IoT concepts

LoRa / LoRaWAN

MQTT

REST APIs/HTTP

Linux basics

Debugging & troubleshooting

Tools

ESP32/STM32 microcontrollers

Arduino

Job description

Roles & Responsibilities

• Develop and test IoT-based smart sensor devices.
• Work with ESP32 / STM32 microcontrollers.
• Interface and configure different sensors and electronic components.
• Develop basic embedded C/C++ firmware.
• Work with LoRa / LoRaWAN communication.
• Configure and test LoRa gateways and connected devices.
• Send sensor data to cloud platforms using MQTT / HTTP APIs.
• Work with REST APIs and basic backend integration.
• Perform device testing, calibration and troubleshooting.
• Diagnose hardware, firmware and connectivity issues.
• Assist with sensor installation and field testing.
• Maintain device configurations, test results and technical documentation.
• Work with the development team to improve the Goldu Smart Sensor platform.

Technologies / Skills:

• Basic C/C++
• Arduino / ESP32 or similar microcontrollers
• Basic electronics and sensor interfacing
• Understanding of IoT concepts
• Basic knowledge of LoRa / LoRaWAN
• Basic understanding of MQTT
• Basic knowledge of REST APIs / HTTP
• Basic Linux knowledge
• Basic debugging and troubleshooting skills

Candidates with college projects involving ESP32, sensors, LoRa, MQTT or IoT are encouraged to apply.