Key Responsibilities
- Develop and test firmware for ESP32 / STM32 / Arduino-based systems.
- Interface sensors including temperature, humidity, CO■, and airflow sensors.
- Work on BLE communication and device configuration systems.
- Support RS485 / Modbus communication integration.
- Assist in controlling servo motors, dampers, EC fans, and relays.
- Help build IoT dashboards and cloud connectivity systems.
- Support prototype assembly, debugging, and field testing.
- Maintain firmware repositories and technical documentation.
Required Skills
- Basic knowledge of Embedded C / C++
- Familiarity with ESP32 / Arduino / STM32
- Understanding of electronics and sensor interfacing
- Basic debugging and troubleshooting skills
- Understanding of UART/I2C/SPI communication Strong willingness to learn and experiment Good to Have BLE or WiFi project experience MQTT / IoT platform exposure Python / Node.js knowledge PCB design exposure Git/GitHub familiarity HVAC or building systems exposure What Success Looks Like Working embedded prototypes with stable sensor readings and actuator control. Reliable BLE/mobile-based configuration systems. Successful communication between controllers, sensors, and cloud systems. Faster prototype iterations and smoother field deployments. What You’ll Gain Real-world startup product development experience Exposure to climate-tech and sustainable building systems Hands-on work with IoT, embedded systems, and smart controls Direct mentorship from founders Potential PPO / long-term opportunity based on performance About Kelvinix Kelvinix Limited is an Ireland-based climate-tech startup developing passive rooftop climate systems designed to reduce HVAC energy consumption while improving indoor comfort and indoor air quality. The company integrates smart ventilation, environmental sensing, daylight systems, and low-energy control technologies into scalable retrofit-ready products.
Pay: ₹11,095.84 - ₹57,004.60 per month
Work Location: In person
